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Publisher: Oxford University Press   (Total: 396 journals)

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Showing 1 - 200 of 396 Journals sorted alphabetically
ACS Symposium Series     Full-text available via subscription   (SJR: 0.189, CiteScore: 0)
Acta Biochimica et Biophysica Sinica     Hybrid Journal   (Followers: 5, SJR: 0.79, CiteScore: 2)
Adaptation     Hybrid Journal   (Followers: 8, SJR: 0.143, CiteScore: 0)
Advances in Nutrition     Hybrid Journal   (Followers: 44, SJR: 2.196, CiteScore: 5)
Aesthetic Surgery J.     Hybrid Journal   (Followers: 6, SJR: 1.434, CiteScore: 1)
African Affairs     Hybrid Journal   (Followers: 63, SJR: 1.869, CiteScore: 2)
Age and Ageing     Hybrid Journal   (Followers: 88, SJR: 1.989, CiteScore: 4)
Alcohol and Alcoholism     Hybrid Journal   (Followers: 18, SJR: 1.376, CiteScore: 3)
American Entomologist     Full-text available via subscription   (Followers: 6)
American Historical Review     Hybrid Journal   (Followers: 147, SJR: 0.467, CiteScore: 1)
American J. of Agricultural Economics     Hybrid Journal   (Followers: 40, SJR: 2.113, CiteScore: 3)
American J. of Clinical Nutrition     Hybrid Journal   (Followers: 144, SJR: 3.438, CiteScore: 6)
American J. of Epidemiology     Hybrid Journal   (Followers: 166, SJR: 2.713, CiteScore: 3)
American J. of Hypertension     Hybrid Journal   (Followers: 25, SJR: 1.322, CiteScore: 3)
American J. of Jurisprudence     Hybrid Journal   (Followers: 18, SJR: 0.281, CiteScore: 1)
American J. of Legal History     Full-text available via subscription   (Followers: 8, SJR: 0.116, CiteScore: 0)
American Law and Economics Review     Hybrid Journal   (Followers: 27, SJR: 1.053, CiteScore: 1)
American Literary History     Hybrid Journal   (Followers: 15, SJR: 0.391, CiteScore: 0)
Analysis     Hybrid Journal   (Followers: 21, SJR: 1.038, CiteScore: 1)
Animal Frontiers     Hybrid Journal  
Annals of Behavioral Medicine     Hybrid Journal   (Followers: 14, SJR: 1.423, CiteScore: 3)
Annals of Botany     Hybrid Journal   (Followers: 35, SJR: 1.721, CiteScore: 4)
Annals of Oncology     Hybrid Journal   (Followers: 42, SJR: 5.599, CiteScore: 9)
Annals of the Entomological Society of America     Full-text available via subscription   (Followers: 9, SJR: 0.722, CiteScore: 1)
Annals of Work Exposures and Health     Hybrid Journal   (Followers: 33, SJR: 0.728, CiteScore: 2)
AoB Plants     Open Access   (Followers: 4, SJR: 1.28, CiteScore: 3)
Applied Economic Perspectives and Policy     Hybrid Journal   (Followers: 17, SJR: 0.858, CiteScore: 2)
Applied Linguistics     Hybrid Journal   (Followers: 56, SJR: 2.987, CiteScore: 3)
Applied Mathematics Research eXpress     Hybrid Journal   (Followers: 1, SJR: 1.241, CiteScore: 1)
Arbitration Intl.     Full-text available via subscription   (Followers: 20)
Arbitration Law Reports and Review     Hybrid Journal   (Followers: 14)
Archives of Clinical Neuropsychology     Hybrid Journal   (Followers: 30, SJR: 0.731, CiteScore: 2)
Aristotelian Society Supplementary Volume     Hybrid Journal   (Followers: 3)
Arthropod Management Tests     Hybrid Journal   (Followers: 2)
Astronomy & Geophysics     Hybrid Journal   (Followers: 42, SJR: 0.146, CiteScore: 0)
Behavioral Ecology     Hybrid Journal   (Followers: 52, SJR: 1.871, CiteScore: 3)
Bioinformatics     Hybrid Journal   (Followers: 294, SJR: 6.14, CiteScore: 8)
Biology Methods and Protocols     Hybrid Journal  
Biology of Reproduction     Full-text available via subscription   (Followers: 10, SJR: 1.446, CiteScore: 3)
Biometrika     Hybrid Journal   (Followers: 20, SJR: 3.485, CiteScore: 2)
BioScience     Hybrid Journal   (Followers: 30, SJR: 2.754, CiteScore: 4)
Bioscience Horizons : The National Undergraduate Research J.     Open Access   (Followers: 1, SJR: 0.146, CiteScore: 0)
Biostatistics     Hybrid Journal   (Followers: 17, SJR: 1.553, CiteScore: 2)
BJA : British J. of Anaesthesia     Hybrid Journal   (Followers: 162, SJR: 2.115, CiteScore: 3)
BJA Education     Hybrid Journal   (Followers: 64)
Brain     Hybrid Journal   (Followers: 68, SJR: 5.858, CiteScore: 7)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 47, SJR: 2.505, CiteScore: 5)
Briefings in Functional Genomics     Hybrid Journal   (Followers: 3, SJR: 2.15, CiteScore: 3)
British J. for the Philosophy of Science     Hybrid Journal   (Followers: 35, SJR: 2.161, CiteScore: 2)
British J. of Aesthetics     Hybrid Journal   (Followers: 26, SJR: 0.508, CiteScore: 1)
British J. of Criminology     Hybrid Journal   (Followers: 578, SJR: 1.828, CiteScore: 3)
British J. of Social Work     Hybrid Journal   (Followers: 87, SJR: 1.019, CiteScore: 2)
British Medical Bulletin     Hybrid Journal   (Followers: 7, SJR: 1.355, CiteScore: 3)
British Yearbook of Intl. Law     Hybrid Journal   (Followers: 31)
Bulletin of the London Mathematical Society     Hybrid Journal   (Followers: 4, SJR: 1.376, CiteScore: 1)
Cambridge J. of Economics     Hybrid Journal   (Followers: 61, SJR: 0.764, CiteScore: 2)
Cambridge J. of Regions, Economy and Society     Hybrid Journal   (Followers: 10, SJR: 2.438, CiteScore: 4)
Cambridge Quarterly     Hybrid Journal   (Followers: 9, SJR: 0.104, CiteScore: 0)
Capital Markets Law J.     Hybrid Journal   (Followers: 2, SJR: 0.222, CiteScore: 0)
Carcinogenesis     Hybrid Journal   (Followers: 2, SJR: 2.135, CiteScore: 5)
Cardiovascular Research     Hybrid Journal   (Followers: 14, SJR: 3.002, CiteScore: 5)
Cerebral Cortex     Hybrid Journal   (Followers: 45, SJR: 3.892, CiteScore: 6)
CESifo Economic Studies     Hybrid Journal   (Followers: 17, SJR: 0.483, CiteScore: 1)
Chemical Senses     Hybrid Journal   (Followers: 1, SJR: 1.42, CiteScore: 3)
Children and Schools     Hybrid Journal   (Followers: 5, SJR: 0.246, CiteScore: 0)
Chinese J. of Comparative Law     Hybrid Journal   (Followers: 4, SJR: 0.412, CiteScore: 0)
Chinese J. of Intl. Law     Hybrid Journal   (Followers: 22, SJR: 0.329, CiteScore: 0)
Chinese J. of Intl. Politics     Hybrid Journal   (Followers: 9, SJR: 1.392, CiteScore: 2)
Christian Bioethics: Non-Ecumenical Studies in Medical Morality     Hybrid Journal   (Followers: 10, SJR: 0.183, CiteScore: 0)
Classical Receptions J.     Hybrid Journal   (Followers: 25, SJR: 0.123, CiteScore: 0)
Clean Energy     Open Access   (Followers: 1)
Clinical Infectious Diseases     Hybrid Journal   (Followers: 64, SJR: 5.051, CiteScore: 5)
Clinical Kidney J.     Open Access   (Followers: 3, SJR: 1.163, CiteScore: 2)
Communication Theory     Hybrid Journal   (Followers: 21, SJR: 2.424, CiteScore: 3)
Communication, Culture & Critique     Hybrid Journal   (Followers: 26, SJR: 0.222, CiteScore: 1)
Community Development J.     Hybrid Journal   (Followers: 27, SJR: 0.268, CiteScore: 1)
Computer J.     Hybrid Journal   (Followers: 9, SJR: 0.319, CiteScore: 1)
Conservation Physiology     Open Access   (Followers: 2, SJR: 1.818, CiteScore: 3)
Contemporary Women's Writing     Hybrid Journal   (Followers: 9, SJR: 0.121, CiteScore: 0)
Contributions to Political Economy     Hybrid Journal   (Followers: 5, SJR: 0.906, CiteScore: 1)
Critical Values     Full-text available via subscription  
Current Developments in Nutrition     Open Access  
Current Legal Problems     Hybrid Journal   (Followers: 27)
Current Zoology     Full-text available via subscription   (Followers: 2, SJR: 1.164, CiteScore: 2)
Database : The J. of Biological Databases and Curation     Open Access   (Followers: 8, SJR: 1.791, CiteScore: 3)
Digital Scholarship in the Humanities     Hybrid Journal   (Followers: 13, SJR: 0.259, CiteScore: 1)
Diplomatic History     Hybrid Journal   (Followers: 20, SJR: 0.45, CiteScore: 1)
DNA Research     Open Access   (Followers: 5, SJR: 2.866, CiteScore: 6)
Dynamics and Statistics of the Climate System     Open Access   (Followers: 3)
Early Music     Hybrid Journal   (Followers: 15, SJR: 0.139, CiteScore: 0)
Economic Policy     Hybrid Journal   (Followers: 39, SJR: 3.584, CiteScore: 3)
ELT J.     Hybrid Journal   (Followers: 24, SJR: 0.942, CiteScore: 1)
English Historical Review     Hybrid Journal   (Followers: 51, SJR: 0.612, CiteScore: 1)
English: J. of the English Association     Hybrid Journal   (Followers: 14, SJR: 0.1, CiteScore: 0)
Environmental Entomology     Full-text available via subscription   (Followers: 11, SJR: 0.818, CiteScore: 2)
Environmental Epigenetics     Open Access   (Followers: 3)
Environmental History     Hybrid Journal   (Followers: 27, SJR: 0.408, CiteScore: 1)
EP-Europace     Hybrid Journal   (Followers: 2, SJR: 2.748, CiteScore: 4)
Epidemiologic Reviews     Hybrid Journal   (Followers: 9, SJR: 4.505, CiteScore: 8)
ESHRE Monographs     Hybrid Journal  
Essays in Criticism     Hybrid Journal   (Followers: 16, SJR: 0.113, CiteScore: 0)
European Heart J.     Hybrid Journal   (Followers: 57, SJR: 9.315, CiteScore: 9)
European Heart J. - Cardiovascular Imaging     Hybrid Journal   (Followers: 9, SJR: 3.625, CiteScore: 3)
European Heart J. - Cardiovascular Pharmacotherapy     Full-text available via subscription   (Followers: 1)
European Heart J. - Quality of Care and Clinical Outcomes     Hybrid Journal  
European Heart J. : Case Reports     Open Access  
European Heart J. Supplements     Hybrid Journal   (Followers: 8, SJR: 0.223, CiteScore: 0)
European J. of Cardio-Thoracic Surgery     Hybrid Journal   (Followers: 9, SJR: 1.681, CiteScore: 2)
European J. of Intl. Law     Hybrid Journal   (Followers: 179, SJR: 0.694, CiteScore: 1)
European J. of Orthodontics     Hybrid Journal   (Followers: 4, SJR: 1.279, CiteScore: 2)
European J. of Public Health     Hybrid Journal   (Followers: 20, SJR: 1.36, CiteScore: 2)
European Review of Agricultural Economics     Hybrid Journal   (Followers: 10, SJR: 1.172, CiteScore: 2)
European Review of Economic History     Hybrid Journal   (Followers: 28, SJR: 0.702, CiteScore: 1)
European Sociological Review     Hybrid Journal   (Followers: 40, SJR: 2.728, CiteScore: 3)
Evolution, Medicine, and Public Health     Open Access   (Followers: 10)
Family Practice     Hybrid Journal   (Followers: 14, SJR: 1.018, CiteScore: 2)
Fems Microbiology Ecology     Hybrid Journal   (Followers: 11, SJR: 1.492, CiteScore: 4)
Fems Microbiology Letters     Hybrid Journal   (Followers: 23, SJR: 0.79, CiteScore: 2)
Fems Microbiology Reviews     Hybrid Journal   (Followers: 29, SJR: 7.063, CiteScore: 13)
Fems Yeast Research     Hybrid Journal   (Followers: 14, SJR: 1.308, CiteScore: 3)
Food Quality and Safety     Open Access   (Followers: 1)
Foreign Policy Analysis     Hybrid Journal   (Followers: 23, SJR: 1.425, CiteScore: 1)
Forest Science     Hybrid Journal   (Followers: 7, SJR: 0.89, CiteScore: 2)
Forestry: An Intl. J. of Forest Research     Hybrid Journal   (Followers: 16, SJR: 1.133, CiteScore: 3)
Forum for Modern Language Studies     Hybrid Journal   (Followers: 6, SJR: 0.104, CiteScore: 0)
French History     Hybrid Journal   (Followers: 32, SJR: 0.118, CiteScore: 0)
French Studies     Hybrid Journal   (Followers: 20, SJR: 0.148, CiteScore: 0)
French Studies Bulletin     Hybrid Journal   (Followers: 10, SJR: 0.152, CiteScore: 0)
Gastroenterology Report     Open Access   (Followers: 2)
Genome Biology and Evolution     Open Access   (Followers: 12, SJR: 2.578, CiteScore: 4)
Geophysical J. Intl.     Hybrid Journal   (Followers: 35, SJR: 1.506, CiteScore: 3)
German History     Hybrid Journal   (Followers: 22, SJR: 0.161, CiteScore: 0)
GigaScience     Open Access   (Followers: 3, SJR: 5.022, CiteScore: 7)
Global Summitry     Hybrid Journal   (Followers: 1)
Glycobiology     Hybrid Journal   (Followers: 14, SJR: 1.493, CiteScore: 3)
Health and Social Work     Hybrid Journal   (Followers: 56, SJR: 0.388, CiteScore: 1)
Health Education Research     Hybrid Journal   (Followers: 14, SJR: 0.854, CiteScore: 2)
Health Policy and Planning     Hybrid Journal   (Followers: 24, SJR: 1.512, CiteScore: 2)
Health Promotion Intl.     Hybrid Journal   (Followers: 22, SJR: 0.812, CiteScore: 2)
History Workshop J.     Hybrid Journal   (Followers: 29, SJR: 1.278, CiteScore: 1)
Holocaust and Genocide Studies     Hybrid Journal   (Followers: 26, SJR: 0.105, CiteScore: 0)
Human Communication Research     Hybrid Journal   (Followers: 13, SJR: 2.146, CiteScore: 3)
Human Molecular Genetics     Hybrid Journal   (Followers: 8, SJR: 3.555, CiteScore: 5)
Human Reproduction     Hybrid Journal   (Followers: 71, SJR: 2.643, CiteScore: 5)
Human Reproduction Open     Open Access  
Human Reproduction Update     Hybrid Journal   (Followers: 19, SJR: 5.317, CiteScore: 10)
Human Rights Law Review     Hybrid Journal   (Followers: 60, SJR: 0.756, CiteScore: 1)
ICES J. of Marine Science: J. du Conseil     Hybrid Journal   (Followers: 50, SJR: 1.591, CiteScore: 3)
ICSID Review     Hybrid Journal   (Followers: 10)
ILAR J.     Hybrid Journal   (Followers: 2, SJR: 1.732, CiteScore: 4)
IMA J. of Applied Mathematics     Hybrid Journal   (SJR: 0.679, CiteScore: 1)
IMA J. of Management Mathematics     Hybrid Journal   (SJR: 0.538, CiteScore: 1)
IMA J. of Mathematical Control and Information     Hybrid Journal   (Followers: 2, SJR: 0.496, CiteScore: 1)
IMA J. of Numerical Analysis - advance access     Hybrid Journal   (SJR: 1.987, CiteScore: 2)
Industrial and Corporate Change     Hybrid Journal   (Followers: 10, SJR: 1.792, CiteScore: 2)
Industrial Law J.     Hybrid Journal   (Followers: 35, SJR: 0.249, CiteScore: 1)
Inflammatory Bowel Diseases     Hybrid Journal   (Followers: 43, SJR: 2.511, CiteScore: 4)
Information and Inference     Free  
Integrative and Comparative Biology     Hybrid Journal   (Followers: 7, SJR: 1.319, CiteScore: 2)
Interacting with Computers     Hybrid Journal   (Followers: 11, SJR: 0.292, CiteScore: 1)
Interactive CardioVascular and Thoracic Surgery     Hybrid Journal   (Followers: 7, SJR: 0.762, CiteScore: 1)
Intl. Affairs     Hybrid Journal   (Followers: 58, SJR: 1.505, CiteScore: 3)
Intl. Data Privacy Law     Hybrid Journal   (Followers: 31)
Intl. Health     Hybrid Journal   (Followers: 5, SJR: 0.851, CiteScore: 2)
Intl. Immunology     Hybrid Journal   (Followers: 3, SJR: 2.167, CiteScore: 4)
Intl. J. for Quality in Health Care     Hybrid Journal   (Followers: 34, SJR: 1.348, CiteScore: 2)
Intl. J. of Constitutional Law     Hybrid Journal   (Followers: 63, SJR: 0.601, CiteScore: 1)
Intl. J. of Epidemiology     Hybrid Journal   (Followers: 210, SJR: 3.969, CiteScore: 5)
Intl. J. of Law and Information Technology     Hybrid Journal   (Followers: 5, SJR: 0.202, CiteScore: 1)
Intl. J. of Law, Policy and the Family     Hybrid Journal   (Followers: 31, SJR: 0.223, CiteScore: 1)
Intl. J. of Lexicography     Hybrid Journal   (Followers: 10, SJR: 0.285, CiteScore: 1)
Intl. J. of Low-Carbon Technologies     Open Access   (Followers: 1, SJR: 0.403, CiteScore: 1)
Intl. J. of Neuropsychopharmacology     Open Access   (Followers: 3, SJR: 1.808, CiteScore: 4)
Intl. J. of Public Opinion Research     Hybrid Journal   (Followers: 9, SJR: 1.545, CiteScore: 1)
Intl. J. of Refugee Law     Hybrid Journal   (Followers: 35, SJR: 0.389, CiteScore: 1)
Intl. J. of Transitional Justice     Hybrid Journal   (Followers: 12, SJR: 0.724, CiteScore: 2)
Intl. Mathematics Research Notices     Hybrid Journal   (Followers: 1, SJR: 2.168, CiteScore: 1)
Intl. Political Sociology     Hybrid Journal   (Followers: 36, SJR: 1.465, CiteScore: 3)
Intl. Relations of the Asia-Pacific     Hybrid Journal   (Followers: 23, SJR: 0.401, CiteScore: 1)
Intl. Studies Perspectives     Hybrid Journal   (Followers: 9, SJR: 0.983, CiteScore: 1)
Intl. Studies Quarterly     Hybrid Journal   (Followers: 44, SJR: 2.581, CiteScore: 2)
Intl. Studies Review     Hybrid Journal   (Followers: 21, SJR: 1.201, CiteScore: 1)
ISLE: Interdisciplinary Studies in Literature and Environment     Hybrid Journal   (Followers: 1, SJR: 0.15, CiteScore: 0)
ITNOW     Hybrid Journal   (Followers: 1, SJR: 0.103, CiteScore: 0)
J. of African Economies     Hybrid Journal   (Followers: 15, SJR: 0.533, CiteScore: 1)
J. of American History     Hybrid Journal   (Followers: 45, SJR: 0.297, CiteScore: 1)
J. of Analytical Toxicology     Hybrid Journal   (Followers: 14, SJR: 1.065, CiteScore: 2)
J. of Antimicrobial Chemotherapy     Hybrid Journal   (Followers: 15, SJR: 2.419, CiteScore: 4)
J. of Antitrust Enforcement     Hybrid Journal   (Followers: 1)
J. of Applied Poultry Research     Hybrid Journal   (Followers: 4, SJR: 0.585, CiteScore: 1)
J. of Biochemistry     Hybrid Journal   (Followers: 42, SJR: 1.226, CiteScore: 2)
J. of Burn Care & Research     Hybrid Journal   (Followers: 9, SJR: 0.768, CiteScore: 2)
J. of Chromatographic Science     Hybrid Journal   (Followers: 18, SJR: 0.36, CiteScore: 1)
J. of Church and State     Hybrid Journal   (Followers: 11, SJR: 0.139, CiteScore: 0)
J. of Communication     Hybrid Journal   (Followers: 50, SJR: 4.411, CiteScore: 5)
J. of Competition Law and Economics     Hybrid Journal   (Followers: 35, SJR: 0.33, CiteScore: 0)
J. of Complex Networks     Hybrid Journal   (Followers: 2, SJR: 1.05, CiteScore: 4)
J. of Computer-Mediated Communication     Open Access   (Followers: 26, SJR: 2.961, CiteScore: 6)
J. of Conflict and Security Law     Hybrid Journal   (Followers: 12, SJR: 0.402, CiteScore: 0)
J. of Consumer Research     Full-text available via subscription   (Followers: 41, SJR: 5.856, CiteScore: 5)

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Journal Cover
Astronomy & Geophysics
Journal Prestige (SJR): 0.146
Number of Followers: 42  
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1366-8781 - ISSN (Online) 1468-4004
Published by Oxford University Press Homepage  [396 journals]
  • A&G Volume 59 Issue 3, Full Issue
    • PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty153
      Issue No: Vol. 59, No. 3 (2018)
  • 4000 early galaxies in 3D universe survey
    • Pages: 3.10 - 3.10
      Abstract: EARLY UNIVERSE A team led by David Sobral (University of Lancaster) has mapped galaxies in the early universe, between 11 and 13 billion years ago. The team used data from the Subaru Telescope in Hawaii and the Isaac Newton Telescope in the Canary Islands and found almost 4000 early galaxies, mostly small, typically one-thirtieth of the size of the Milky Way. “These early galaxies seem to have gone through many more ‘bursts’ when they formed stars, instead of forming them at a relatively steady rate like our own galaxy,” said Sobral. “Additionally, they seem to have a population of young stars that is hotter, bluer and more metal-poor than those we see today.” The team published its data in two papers in Monthly Notices of the Royal Astronomical Society.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty139
      Issue No: Vol. 59, No. 3 (2018)
  • Across the universe with The Beatles
    • Pages: 3.10 - 3.10
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty134
      Issue No: Vol. 59, No. 3 (2018)
  • Classifying exoplanets with neural networks
    • Pages: 3.10 - 3.10
      Abstract: AI One day, humans will send spacecraft to exoplanets. Those autonomous spacecraft will need to decide which planets to focus on and researchers from the Centre for Robotics and Neural Systems at Plymouth University have made a start on the systems that will be needed. Christopher Bishop described an artificial neural network that they have trained to classify planets, based on five rocky solar system bodies with atmospheres: Earth today, early Earth, Mars, Venus and Titan. The team has trained the system using more than 100 spectra and indicators of habitability.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty136
      Issue No: Vol. 59, No. 3 (2018)
  • Finding stable habitable zones
    • Pages: 3.10 - 3.10
      Abstract: EXOPLANETS Many of the exoplanets discovered in the habitable zone of their star orbit red dwarfs, small cool stars with habitable zones at much smaller radii than our Sun. This could be a problem for their habitability, according to a study led by Eike Guenther (Thüringian Observatory, Germany), because red dwarfs can produce X-ray emissions and coronal mass ejections (CMEs). Guenther and collaborators are monitoring low-mass stars such as AD Leo, which has a giant planet in an orbit of radius of 0.02 au. In February 2018, they observed a giant flare from the star; initial results suggest the giant planet was unaffected, and that unlike similar events on the Sun, the radiation flare was not accompanied by a CME. “With sporadic outbursts of hard X-rays,” said Guenther, “our work suggests planets around the commonest low-mass stars are not great places for life.”
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty137
      Issue No: Vol. 59, No. 3 (2018)
  • Gravitational waves from galactic centres
    • Pages: 3.10 - 3.10
      Abstract: BLACK HOLES Gravitational wave detections carry information that can reveal how some binary black holes systems form. Joseph Fernandez (Liverpool John Moores University) presented simulations of close encounters between binaries and black holes like that at the centre of our galaxy. Most of the time the tidal effects simply disrupted the binary systems. But some encounters gave them radically different orbits, that would lead them to merge much sooner than otherwise. The simulations produce negative effective spins, in which the black holes are orbiting in the opposite direction to their initial configuration. “Negative effective spins are smoking-gun signs that the binary in question originated from a dynamical formation channel, like the one we have described,” said Fernandez. “If you can characterize what distribution of effective spins a mechanism would generate, and the rate at which your mechanism can produce mergers, you can obtain an expected effective spin distribution and compare it with observations.”
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty135
      Issue No: Vol. 59, No. 3 (2018)
  • Lack of phosphorous may be a problem
    • Pages: 3.10 - 3.10
      Abstract: EXOBIOLOGY A potential problem for the emergence of life on other planets may lie in the supply of phosphorus – one of the CHNOPS elements essential for life on Earth. Jane Greaves and Phil Cigan (University of Cardiff) have been looking for phosphorus, P, using the William Herschel Telescope on La Palma in the Canary Islands, comparing abundances of phosphorus and iron in infrared spectra in order to compare their abundances in supernova remnants. So far the Cardiff team has data from two supernova remnants: Cassiopeia A and the Crab Nebula. The Crab data so far show much less P than Cas A, although difficult observing conditions limited the data that they have been able to collect on the nebula; they plan to go back and check. The nature of the supernova and its precursor star may affect the elements produced and ejected in the explosion; Cas A resulted from the explosion of a rare super-massive star.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty138
      Issue No: Vol. 59, No. 3 (2018)
  • Simulations explain magnetic hotspots
    • Pages: 3.10 - 3.10
      Abstract: (Left) A tightly wound-up magnetic field used as initial state in the simulation. (Right) The magnetic field structure after it has become unstable leading to the formation of knots and magnetic spots.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty133
      Issue No: Vol. 59, No. 3 (2018)
  • New RAS 200 show is all-round impressive
    • Authors: Serjeant S.
      Pages: 3.11 - 3.11
      Abstract: Stephen Serjeant applauds the creativity on show at the premiere of The Planets 360, one of the RAS 200 anniversary outreach projects.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty140
      Issue No: Vol. 59, No. 3 (2018)
  • The Federation strikes back – at administration
    • Authors: Daniels P.
      Pages: 3.12 - 3.12
      Abstract: Paul A Daniels reports on the rennaissance of the Federation of Astronomical Societies.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty141
      Issue No: Vol. 59, No. 3 (2018)
  • Founders of the RAS: Charles Stokes
    • Authors: Edmunds M.
      Pages: 3.13 - 3.13
      Abstract: This well-connected businessman, Turner's stockbroker, was a diligent collector of art, fossils, minerals and curios, writes Mike Edmunds, and possibly served as Treasurer of the Astronomical Society.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty142
      Issue No: Vol. 59, No. 3 (2018)
  • Donald Lynden-Bell 1935–2018
    • Authors: Evans W.
      Pages: 3.14 - 3.15
      Abstract: An appreciation of a giant of 20th-century astrophysics by Wyn Evans.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty143
      Issue No: Vol. 59, No. 3 (2018)
  • NAM 2018: a large and lively meeting
    • Authors: Bowler S.
      Pages: 3.16 - 3.17
      Abstract: The National Astronomy Meeting, UK Solar Physics Meeting and the European Week of Astronomy and Space Science came together for a big and busy meeting in Liverpool. Sue Bowler reports.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty144
      Issue No: Vol. 59, No. 3 (2018)
  • How to explore planets with drones
    • Authors: Macdonald S; Stevens A.
      Pages: 3.18 - 3.22
      Abstract: What could autonomous aircraft do for planetary exploration' Sofie Macdonald and Adam Stevens set out the potential and pitfalls of extraterrestrial drones.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty145
      Issue No: Vol. 59, No. 3 (2018)
  • Searching for life with mass spectrometry
    • Authors: Sephton M; Waite J, Brockwell T.
      Pages: 3.23 - 3.24
      Abstract: Mark A Sephton, J Hunter Waite and Tim G Brockwell look at the capabilities of the Europa Clipper mission to explore one of Jupiter's icy moons.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty146
      Issue No: Vol. 59, No. 3 (2018)
  • A new era for Australian astronomy
    • Authors: Watson F; Urquhart J.
      Pages: 3.25 - 3.30
      Abstract: It's all change for the Australian Astronomical Observatory – Fred Watson and Jane Urquhart explain what is happening to this astronomical powerhouse.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty147
      Issue No: Vol. 59, No. 3 (2018)
  • Improve communication skills with the SPA
    • Authors: Sutherland P.
      Pages: 3.31 - 3.32
      Abstract: Paul Sutherland explains how the Society for Popular Astronomy has helped students to hone their outreach skills – and you could benefit too.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty148
      Issue No: Vol. 59, No. 3 (2018)
  • A history of radio detection of cosmic-rays
    • Authors: Spencer R; Rapley C.
      Pages: 3.33 - 3.37
      Abstract: Ralph Spencer and Chris Rapley explore the role played by Jodrell Bank in early attempts to detect cosmic rays – and how the technique is now becoming more widely used.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty149
      Issue No: Vol. 59, No. 3 (2018)
  • Earth dynamics and the origin of plate tectonics
    • Authors: Bowler S.
      Pages: 3.38 - 3.40
      Abstract: Sue Bowler ponders ideas on how and when plate tectonics began and what it means for Earth and other planets.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty150
      Issue No: Vol. 59, No. 3 (2018)
  • Editorial: Thank you to all our readers!
    • Authors: Bowler S.
      Pages: 3.4 - 3.4
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty098
      Issue No: Vol. 59, No. 3 (2018)
  • ESO launches Supernova
    • Pages: 3.4 - 3.4
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty102
      Issue No: Vol. 59, No. 3 (2018)
  • First science from MeerKAT
    • Pages: 3.4 - 3.4
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty101
      Issue No: Vol. 59, No. 3 (2018)
  • New structure unites research councils
    • Pages: 3.4 - 3.4
      Abstract: POLICY UK Research and Innovation came into being at the start of April this year, uniting all seven Research Councils together with Innovate UK and a new body, Research England. At the same time, Mark Thomson took over as CEO of the Science and Technology Facilities Council.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty099
      Issue No: Vol. 59, No. 3 (2018)
  • UKRI funds the leaders of tomorrow
    • Pages: 3.4 - 3.4
      Abstract: CAREERS One of the first initiatives to come out of the new funding body UK Research and Innovation aims to attract and sustain outstanding researchers with the potential to lead in t he future.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty100
      Issue No: Vol. 59, No. 3 (2018)
  • Humans, aliens and the big ethical questions
    • Authors: Sachs B.
      Pages: 3.41 - 3.42
      Abstract: What happens when an astro-biologist, a theologian, a political theorist and a philosopher discuss the ethics of human–alien encounters' Ben Sachs reports.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty151
      Issue No: Vol. 59, No. 3 (2018)
  • Q&A Mike Cruise
    • Authors: Cruise M.
      Pages: 3.43 - 3.43
      Abstract: The new RAS President discusses painting, gravitational waves and losing his voice.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty152
      Issue No: Vol. 59, No. 3 (2018)
  • ExoMars goes to work, sample-return takes step forward
    • Pages: 3.5 - 3.5
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty103
      Issue No: Vol. 59, No. 3 (2018)
  • Machine learning gains ground in astronomy
    • Pages: 3.5 - 3.5
      Abstract: COMPUTING Machine learning is becoming a useful tool for astronomical data selection, as two projects show.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty106
      Issue No: Vol. 59, No. 3 (2018)
  • RAS conserves Pearson family portrait
    • Pages: 3.5 - 3.5
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty104
      Issue No: Vol. 59, No. 3 (2018)
  • Survey tracks comets and NEOs
    • Pages: 3.5 - 3.5
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty105
      Issue No: Vol. 59, No. 3 (2018)
  • Gaia's galaxy gets bigger
    • Pages: 3.6 - 3.6
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty107
      Issue No: Vol. 59, No. 3 (2018)
  • A&G Forum: Astro Weekend at the OU
    • Pages: 3.7 - 3.7
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty108
      Issue No: Vol. 59, No. 3 (2018)
  • Clouds of hydrogen sulphide at Uranus
    • Pages: 3.7 - 3.7
      Abstract: NIFS A longstanding question about the ice giant Uranus has been resolved with the Gemini North telescope on Maunakea, Hawaii. Patrick Irwin (University of Oxford) led an international team using Gemini's Near-Infrared Integral Field Spectrometer (NIFS) to sample the region above the main visible cloud layer in Uranus's atmosphere. Clouds made of hydrogen sulphide or ammonia would leave traces of these species there. “We were able to detect them unambiguously thanks to the sensitivity of NIFS on Gemini,” said Irwin. These data are valuable for understanding the origin of planets; the proportions of N and S depend on temperature and location in the Sun's dusty disc.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty111
      Issue No: Vol. 59, No. 3 (2018)
  • Did surviving star cause supernova'
    • Pages: 3.7 - 3.7
      Abstract: HUBBLE The Hubble Space Telescope has imaged – for the first time – a star that survived the supernova explosion of its binary companion. Supernova 2001ig, in NGC 7424, showed signs of a surviving companion star in Gemini South data from 2004. The explosion was a Type IIb stripped-envelope supernova, in which most of the star's hydrogen was lost beforehand. In binary systems, the companion could draw off the hydrogen envelope. The HST image of the surviving companion star to 2001ig indicates that this is the case.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty112
      Issue No: Vol. 59, No. 3 (2018)
  • ESA approves Ariel planet hunter mission
    • Pages: 3.7 - 3.7
      Abstract: COSMIC VISION Ariel, the Atmospheric Remotesensing Infrared Exoplanet Largesurvey mission, was selected by ESA on 20 March as the next medium-class science mission, part of the Cosmic Vision programme. The mission has a strong UK presence, reflecting the strength of this field nationally. “ARIEL will study a statistically large sample of exoplanets to give us a truly representative picture of what these planets are like,” said principal investigator Giovanna Tinetti (University College London). STFC RAL Space will manage the overall European consortium building the payload, which will be assembled and tested in Harwell, Oxfordshire. Other UK involvement will come from Cardiff University, Oxford University and the UK Astronomy Technology Centre.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty117
      Issue No: Vol. 59, No. 3 (2018)
  • ESA simulates satellite collisions
    • Pages: 3.7 - 3.7
      Abstract: SPACE JUNK ESA is modelling what happens when satellites collide – and finding surprises. Only one out of four model collisions produced the cloud of space debris expected. Engineers are using two types of model, working at the levels of the material properties and the components of satellites under the high energies of collision. The goal is to help predict how Earth's cloud of space junk will evolve over the coming 200 years.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty119
      Issue No: Vol. 59, No. 3 (2018)
  • Galactic megamerger challenges models
    • Pages: 3.7 - 3.7
      Abstract: ALMA/APEX Teams using detailed data from the Atacama Large Millimetre/submillimetre Array (ALMA) and APEX, the ALMA Pathfinder Experiment, have each resolved a clump of galaxies in the process of forming a galaxy cluster. The protoclusters SPT 2349-56 and DRC (14 and 10 galaxies) are much older than expected; the galaxies are surprisingly large and forming stars. The data come from 1.5 billion years after the Big Bang, before models suggest such large galaxies could assemble, challenging cosmological models. Miller et al. published in Nature, Oteo et al. in The Astrophysical Journal.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty116
      Issue No: Vol. 59, No. 3 (2018)
  • Galaxy mergers mean more black holes
    • Pages: 3.7 - 3.7
      Abstract: MILKY WAY Our galaxy could contain several wandering supermassive black holes, as well as the central one, as a result of galaxy mergers, according to a study published in The Astrophysical Journal. Modelling by Michael Tremmel (Yale University, USA) and colleagues suggests that there would be several such wanderers in a galaxy the size of our own. They are hard to find, the team says, because there is little gas for them to accrete, outside the central bulge of galaxies.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty120
      Issue No: Vol. 59, No. 3 (2018)
  • Gravitational waves reveal neutron stars
    • Pages: 3.7 - 3.7
      Abstract: STAR PROPERTIES The first detection of gravitational waves from a neutron star merger has set some limits on the extreme matter of neutron stars. The gravitational wave data limit the tidal deformabilities of the stars involved, in turn limiting the families of equations of state for neutron star matter. Specifically, the data rule out large neuton stars, putting the radius of a 1.4-solar-mass neutron star at up to 13.6 km only. Annala et al. and Fattoyev et al. published independent studies in Physical Review Letters.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty113
      Issue No: Vol. 59, No. 3 (2018)
  • NASA launches new planet hunter
    • Pages: 3.7 - 3.7
      Abstract: TESS NASA's Transiting Exoplanet Survey Satellite (TESS), was launched on 18 April and is heading for its final elliptical 13.7-day orbit with the help of six thruster burns and a gravity assist from the Moon. TESS will survey 85% of the sky, looking for transits on bright stars between 30 and 300 light-years away. These stars will be candidates for follow-up spectroscopy. TESS is expected to discover thousands of exoplanets, among them some 300 Earths and super-Earths.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty118
      Issue No: Vol. 59, No. 3 (2018)
  • RAS celebrates women Fellows
    • Pages: 3.7 - 3.7
      Abstract: DIVERSITY The RAS has created a website about the position of women in the Society, in the past and present. Blogs and regular tweets featuring women – well-known and obscure – highlight aspects of women's contributions to our sciences.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty109
      Issue No: Vol. 59, No. 3 (2018)
  • Seventh Sentinel watches over Earth
    • Pages: 3.7 - 3.7
      Abstract: COPERNICUS With the launch of the Sentinel 3B Earth-observation satellite, Europe's Sentinel constellation of seven, part of Europe's Copernicus environmental monitoring network, is now complete. Sentinel 3 is directed at measuring the sea and ice surface. The data return is huge. “We get 14 Tb from the Sentinels alone,” said Joel Aschbacher (ESA) at the European Union of Geosciences meeting in Vienna in April. “That's more data from the Sentinels than is uploaded to Facebook per day.”
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty115
      Issue No: Vol. 59, No. 3 (2018)
  • Surprises in distant star formation
    • Pages: 3.7 - 3.7
      Abstract: ALMA The proportions of more massive to less massive stars have been considered fixed at birth – the initial mass function – because young stars and star-forming cores in molecular clouds close to the solar system share the pattern. Now observations with the Atacama Large Millimetre/submillimetre Array of a more distant and perhaps more typical star-forming region, W43-MM1, suggest that this is not the case: more massive star-forming cores there were much more abundant than the accepted model would suggest, and less massive ones less common.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty110
      Issue No: Vol. 59, No. 3 (2018)
  • Virtual exoplanet tour hits a million viewers
    • Pages: 3.7 - 3.7
      Abstract: YOUTUBE An immersive journey to six exoplanets has proved a huge outreach hit for the University of Exeter, with a million viewers since its launch on YouTube in late 2017. The virtual planet tour was made by a science team led by Nathan Mayne (University of Exeter), together with educational charity We The Curious and visual-effects artists from Engine House. As well as watching on-screen, the tour can be taken in virtual reality, if you have the headset. The tour includes Wasp-121b, with stellar winds blowing away its atmosphere, possible water world Kepler-62e and 55 Cancri e, so hot that its surface could be molten.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty114
      Issue No: Vol. 59, No. 3 (2018)
  • EGU receives Swarms of data
    • Pages: 3.8 - 3.8
      Abstract: MAGNETIC FIELD The European Geosciences Union annual meeting in Vienna saw a major data release from Swarm, ESA's trio of magnetic field satellites. Not only has the Swarm team produced the best map yet of the magnetic field in the Earth's lithosphere, it has also mapped the magnetic field coming from the oceans, tracked lightning and traced atmospheric electric currents.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty124
      Issue No: Vol. 59, No. 3 (2018)
  • GCSE competition winners visit RAS
    • Pages: 3.8 - 3.8
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty123
      Issue No: Vol. 59, No. 3 (2018)
  • HayWired simulates quake
    • Pages: 3.8 - 3.8
      Abstract: Aerial image showing how the main active traces of the Hayward Fault (red lines) cut through part of the San Francisco Bay area. The main football stadium at the University of California, Berkeley (oval, centre), is nearly bisected by the fault and has been extensively retrofitted to withstand fault offset and shaking. (HayWired)
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty122
      Issue No: Vol. 59, No. 3 (2018)
  • Library News
    • Pages: 3.8 - 3.8
      Abstract: We are grateful for these recent donations to the RAS Library:
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty121
      Issue No: Vol. 59, No. 3 (2018)
  • RAS 200 takes off in Truro
    • Pages: 3.8 - 3.8
      Abstract: OUTREACH One of the Society's new bicentenary outreach projects got off to a flying start over Easter, getting Truro residents and tourists alike talking about astronomy.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty125
      Issue No: Vol. 59, No. 3 (2018)
  • Astro tools help protect rare animals
    • Pages: 3.9 - 3.9
      Abstract: ECOLOGY A project using astronomical tools and thermal imaging is helping to detect rare and endangered animals. A team of astronomers and ecologists from Liverpool John Moores University has combined machine-learning algorithms and tools for astronomical detection with thermal infrared cameras on drones (figure 1). The goal is an automated system that can find and track animals – and poachers. “We held a field trial in South Africa last September to detect riverine rabbits, one of the most endangered mammals in the world,” said Claire Burke (LJMU). “They are very small, but we managed five sightings. Given that there have only been about 1000 sightings ever, it was a real success.” The team has now modelled the effects of vegetation, so that they can detect animals hidden by trees or plants. Further field tests will look for orangutans, spider monkeys and river dolphins.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty130
      Issue No: Vol. 59, No. 3 (2018)
  • Bright transients surprisingly transient
    • Pages: 3.9 - 3.9
      Abstract: DARK ENERGY SURVEY A survey has found 72 very bright, very fast and really quite odd transient stars. They look like supernovae, but don't match any model. The data come from the Dark Energy Survey, which includes a supernova search. Miika Pursiainen (University of Southampton) noted that the transients are as bright as some supernovae, but fade faster, lasting weeks rather than months. They are hot, 10 000–30 000 K, and big, from a few to ∼100 au. Their light curves suggest that they cool and expand as they age, consistent with an explosive origin. The signals could come from a cloud of ejected matter, not the star itself.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty131
      Issue No: Vol. 59, No. 3 (2018)
  • Car emission chemistry for exoplanets
    • Pages: 3.9 - 3.9
      Abstract: EXOCHEMISTRY Olivia Venot (Laboratoire Interuniversitaire des Systèmes Atmosphérique in Paris) and Eric Hébrard (University of Exeter) have turned to chemical models designed for car engines to track chemical pathways in hot Jupiters and warm Neptunes. “Chemical networks developed for car engines are very robust as a result of years of intense R&D, lab studies and validation,” said Venot. “Car models are valid for temperatures up to over 2000 °C and a wide range of pressures, so are relevant to the study of a large diversity of warm and hot exoplanet atmospheres.”
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty132
      Issue No: Vol. 59, No. 3 (2018)
  • Don't believe what you see on the Sun
    • Pages: 3.9 - 3.9
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty126
      Issue No: Vol. 59, No. 3 (2018)
  • Milky Way is growing, little by little
    • Pages: 3.9 - 3.9
      Abstract: GALAXY EXPANSION Our galaxy is probably growing – but slowly, getting bigger by about 500 m every second. The growth comes from starbirth in the outer parts of the disc, according to Cristina Martínez-Lombilla (Instituto de Astrofísica de Canarias in Tenerife) and collaborators. They combined optical data from the Sloan Digital Sky Survey, ultraviolet data from GALEX and infrared data from the Spitzer Space Tele-scope to identify young stars in spiral galaxies like our own. They measured the stars' velocities and calculated how quickly they were moving apart and thus how quickly the galaxies would grow.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty128
      Issue No: Vol. 59, No. 3 (2018)
  • New age estimates for stars in Milky Way bar
    • Pages: 3.9 - 3.9
      Abstract: STAR FORMATION The first large-scale age map of stars in the Milky Way has shown that stars in the galactic bulge formed 11–7 billion years ago. Marina Rejkuba (European Southern Observatory) and team used data from the VISTA Variables in the Via Lactea (VVV) infrared survey. They compared simulations with VVV data and spectra of 6000 stars from the GIRAFFE/FLAMES instrument on ESO's Very Large Telescope. “Our findings were not consistent with a purely old Milky Way bulge,” said Rejkuba, “but require star formation lasting around 4 billion years and starting around 11 billion years ago. The youngest stars are at least 7 billion years old, which is older than some previous studies had suggested.” Their data do not allow discrimination between stars in the bar and the bulge, but indicate that the bar had formed by 7 billion years ago.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty127
      Issue No: Vol. 59, No. 3 (2018)
  • No interacting dark matter in Abell 3827
    • Pages: 3.9 - 3.9
      Abstract: GRAVITATIONAL LENSING Dark matter is not interacting with itself in the Abell 3827 cluster, after all. New data on this unusual galaxy cluster reported by Richard Massey (University of Durham) and colleagues suggest that the pattern of gravitational lensing is in accord with the standard cold dark matter model of the universe. In 2015, the same group found signs that one of the four galaxies at the heart of the cluster had an odd distribution of mass, offset from the visible part of the galaxy. This could be ascribed to self-interactions between dark matter that held it back from normal matter as the galaxies came together. Now the same team has added Atacama Large Millimetre/submillimetre Array data to their armoury, together with more spectroscopy from the VLT MUSE instrument. The infrared signal proved crucial to the improved model, which shows the mass distribution aligned with the stars for all four galaxies. The results are published by Massey et al. in Monthly Notices of the RAS.
      PubDate: Fri, 01 Jun 2018 00:00:00 GMT
      DOI: 10.1093/astrogeo/aty129
      Issue No: Vol. 59, No. 3 (2018)
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