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JINA - Segue Virtual Journal, 11 December 2020

Volume 15, Issue 50 (13 Articles)

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• # 1 - An extended halo around an ancient dwarf galaxy. (arXiv:2012.02309v1 [astro-ph.GA])
  • Anirudh Chiti, Anna Frebel, Joshua D. Simon, Denis Erkal, Laura J. Chang, Lina Necib, Alexander P. Ji, Helmut Jerjen, Dongwon Kim, John E. Norris
  • http://arxiv.org/abs/2012.02309
• # 2 - Charting the Galactic acceleration field I. A search for stellar streams with Gaia DR2 and EDR3 with follow-up from ESPaDOnS and UVES. (arXiv:2012.05245v1 [astro-ph.GA])
  • Rodrigo Ibata, Khyati Malhan, Nicolas Martin, Dominique Aubert, Benoit Famaey, Paolo Bianchini, Giacomo Monari, Arnaud Siebert, Guillaume F. Thomas, Michele Bellazzini, Piercarlo Bonifacio, Elisabetta Caffau, Florent Renaud
  • http://arxiv.org/abs/2012.05245
• # 3 - Dynamically Tagged Groups of Very Metal-poor Halo Stars from the HK and Hamburg/ESO Surveys. (arXiv:2011.08305v2 [astro-ph.GA] UPDATED)
  • Guilherme Limberg, Silvia Rossi, Timothy C. Beers, Hélio D. Perottoni, Angeles Pérez-Villegas, Rafael M. Santucci, Yuri Abuchaim, Vinicius M. Placco, Young Sun Lee, Norbert Christlieb, John E. Norris, Michael S. Bessell, Sean G. Ryan, Ronald Wilhelm, Jaehyon Rhee, Anna Frebel
  • http://arxiv.org/abs/2011.08305
• # 4 - Estimating distances from parallaxes. V: Geometric and photogeometric distances to 1.47 billion stars in Gaia Early Data Release 3. (arXiv:2012.05220v1 [astro-ph.SR])
  • C. A. L. Bailer-Jones (1), J. Rybizki (1), M. Fouesneau (1), M. Demleitner (2), R. Andrae (1) ((1) Max Planck Institute for Astronomy, Heidelberg, (2) Astronomisches Rechen-Institut, Heidelberg)
  • http://arxiv.org/abs/2012.05220
• # 5 - First Multimessenger Observations of a Neutron Star Merger. (arXiv:2012.04810v1 [astro-ph.HE])
  • Raffaella Margutti, Ryan Chornock
  • http://arxiv.org/abs/2012.04810
• # 6 - On the Use of Field RR Lyrae as Galactic Probes. II. A new $Delta$S calibration to estimate their metallicity. (arXiv:2012.02284v1 [astro-ph.SR])
  • J. Crestani (1,2,3), M. Fabrizio (3,4), V.F. Braga (3,4), C. Sneden (5), G.W. Preston (6), I. Ferraro (3), G. Iannicola (3), G. Bono (2,3), A. Alves-Brito (1), M. Nonino (7), V. D'Orazi (8,9), L. Inno (10), M. Monelli (11), J. Storm (12), G. Altavilla (3,4), B. Chaboyer (13), M. Dall'Ora (14), G. Fiorentino (3), C.K. Gilligan (13), E. Grebel (15), H. Lala (16), B. Lemasle (16), M. Marengo (17), S. Marinoni (3,4), P.M. Marrese (3,4), C.E. Martínez-Vázquez (18), N. Matsunaga (19), J.P. Mullen (17), J. Neeley (20), Z. Prudil (15), R. da Silva (3,4), P.B. Stetson (21), F. Thévenin (15), E. Valenti (22), A.R. Walker (18), M. Zoccali (23,24) ((1) Departamento de Astronomia, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil, (2) Dipartimento di Fisica, Università di Roma Tor Vergata, Roma, Italy, (3) INAF-Osservatorio Astronomico di Roma, Monte Porzio Catone, Italy, (4) Space Science Data Center, Roma, Italy, (5) Department of Astronomy, McDonald Observatory, The University of Texas, Austin, TX, USA, (6) The Observatories of the Carnegie Institution for Science, Pasadena, CA, USA, (7) INAF-Osservatorio Astronoico di Trieste, Trieste, Italy, (8) INAF-Osservatorio Astronomico di Padova, Padova, Italy, (9) School of Physics, Astronomy, Monash University, Clayton, Melbourne, Australia, (10) Università degli Studi di Napoli "Parthenope'', Napoli, Italy, (11) Instituto de Astrofísica de Canarias, La Laguna, Tenerife, Spain, (12) Leibniz-Institut für Astrophysik Potsdam, Potsdam, Germany, (13) Department of Physics, Astronomy, Dartmouth College, Hanover, USA, (14) INAF-Osservatorio Astronomico di Capodimonte, Napoli, Italy, (15) Université de Nice Sophia-antipolis, CNRS, Observatoire de la Côte d'Azur, Laboratoire Lagrange, Nice, France, (16) Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, Heidelberg, Germany, (17) Department of Physics, Astronomy, Iowa State University, Ames, IA, USA, (18) Cerro Tololo Inter-American Observatory, NSF's National Optical-Infrared Astronomy Research Laboratory, La Serena, Chile, (19) Department of Astronomy, The University of Tokyo, Tokyo, Japan, (20) Department of Physics, Florida Atlantic University, Boca Raton, FL, USA, (21) Herzberg Astronomy, Astrophysics, National Research Council, Victoria, BC, Canada, (22) European Southern Observatory, Garching bei Munchen, Germany, (23) Instituto Milenio de Astrofísica, Santiago, Chile, (24) Pontificia Universidad Catolica de Chile, Instituto de Astrofisica, Santiago, Chile)
  • http://arxiv.org/abs/2012.02284
• # 7 - Two Populations of Carbon-Enhanced Metal-Poor Stars in the Disk System of the Milky Way. (arXiv:2012.03463v1 [astro-ph.GA])
  • Sarah E. Dietz, Jinmi Yoon, Timothy C. Beers, Vinicius Placco
  • http://arxiv.org/abs/2012.03463
• # 8 - Updated proper motions for Local Group dwarf galaxies using Gaia Early Data Release 3. (arXiv:2012.03904v1 [astro-ph.GA])
  • Alan W. McConnachie, Kim A. Venn
  • http://arxiv.org/abs/2012.03904
• # 9 - Daily briefing: Map of Milky Way shows a billion stars in motion
  • Flora Graham
  • Nature
  • https://www.nature.com/articles/d41586-020-03471-2
• # 10 - Exploring the Perturbed Milky Way Disk and the Substructures of the Outer Disk
  • Y. Xu, C. Liu, H. Tian, H. J. Newberg, C. F. P. Laporte, B. Zhang, H. F. Wang, X. Fu, J. Li,, L. C. Deng
  • The Astrophysical Journal
  • http://iopscience.iop.org/0004-637X/905/1/6
• # 11 - Metal-poor Stars Observed with the Southern African Large Telescope
  • Kaitlin C. Rasmussen, Joseph Zepeda, Timothy C. Beers, Vinicius M. Placco, Éric Depagne, Anna Frebel, Sarah Dietz,, Tilman Hartwig
  • The Astrophysical Journal
  • http://iopscience.iop.org/0004-637X/905/1/20
• # 12 - Discovery of Magellanic Stellar Debris in the H3 Survey
  • Dennis Zaritsky, Charlie Conroy, Rohan P. Naidu, Phillip A. Cargile, Mary Putman, Gurtina Besla, Ana Bonaca, Nelson Caldwell, Jiwon Jesse Han, Benjamin D. Johnson, Joshua S. Speagle,, Yuan-Sen Ting 丁源森
  • The Astrophysical Journal Letters
  • http://iopscience.iop.org/2041-8205/905/1/L3
• # 13 - LAMOST Observations in 15 K2 Campaigns. I. Low-resolution Spectra from LAMOST DR6
  • Jiangtao Wang, Jian-Ning Fu, Weikai Zong, M. C. Smith, Peter De Cat, Jianrong Shi, Ali Luo, Haotong Zhang, A. Frasca, C. J. Corbally, J. Molenda-Å»akowicz, G. Catanzaro, R. O. Gray, Jiaxin Wang,, Yang Pan
  • The Astrophysical Journal Supplement Series
  • http://iopscience.iop.org/0067-0049/251/2/27