The Daily Brew
Selected astro-ph abstracts for Tuesday 2020 July 28
- Subaru through a different lens: microlensing by extended dark matter structures
Djuna Croon, David McKeen, Nirmal Raj, Zihui Wang
[ arXiv:2007.12697v1 | PDF File ]
- Axial Asymmetry Studies in Gaia Data Release 2 Yield the Pattern Speed of the Galactic Bar
Austin Hinkel, Susan Gardner, Brian Yanny
[ arXiv:2007.12699v1 | PDF File ]
- Zodiacal Exoplanets in Time. XI. The Orbit and Radiation Environment of the Young M Dwarf-Hosted Planet K2-25b
E. Gaidos, T. Hirano, D. J. Wilson, K. France, K. Rockcliffe, E. Newton, G. Feiden, V. Krishnamurthy, H. Harakawa, K. W. Hodapp, M. Ishizuka, S. Jacobson, M. Konishi, T. Kotani, T. Kudo, T. Kurokawa, M. Kuzuhara, J. Nishikawa, M. Omiya, T. Serizawa, M. Tamura, A. Ueda, S. Vievard
[ arXiv:2007.12701v1 | PDF File ]
- Aluminum-26 Enrichment in the Surface of Protostellar Disks Due to Protostellar Cosmic Rays
Brandt A. L. Gaches, Stefanie Walch, Stella S. R. Walch, Carsten Münker
[ arXiv:2007.12707v1 | PDF File ]
- Lessons on Star-forming Ultra-diffuse Galaxies from The Stacked Spectra of Sloan Digital Sky Survey
Yu Rong, Kai Zhu, Evelyn J. Johnston, Hong-Xin Zhang, Tianwen Cao, Thomas H. Puzia, Gaspar Galaz
[ arXiv:2007.12712v1 | PDF File ]
- The Most Metal-poor Stars in the Inner Bulge
Henrique Reggiani, Kevin C. Schlaufman, Andrew R. Casey, Alexander P. Ji
[ arXiv:2007.12728v1 | PDF File ]
- The Evolution of Rotation and Magnetic Activity in 94 Aqr Aa from Asteroseismology with TESS
Travis S. Metcalfe, Jennifer L. van Saders, Sarbani Basu, Derek Buzasi, William J. Chaplin, Ricky Egeland, Rafael A. Garcia, Patrick Gaulme, Daniel Huber, Timo Reinhold, Hannah Schunker, Keivan G. Stassun, Thierry Appourchaux, Warrick H. Ball, Timothy R. Bedding, Sebastien Deheuvels, Lucia Gonzalez-Cuesta, Rasmus Handberg, Antonio Jimenez, Hans Kjeldsen, Tanda Li, Mikkel N. Lund, Savita Mathur, Benoit Mosser, Martin B. Nielsen, Anthony Noll, Zeynep Celik Orhan, Sibel Ortel, Angela R. G. Santos, Mutlu Yildiz, Sallie Baliunas, Willie Soon
[ arXiv:2007.12755v1 | PDF File ]
- The Habitable-zone Planet Finder Reveals A High Mass and a Low Obliquity for the Young Neptune K2-25b
Gudmundur Stefansson, Suvrath Mahadevan, Marissa Maney, Joe P. Ninan, Paul Robertson, Jayadev Rajagopal, Flynn Haase, Lori Allen, Eric B. Ford, Joshua Winn, Angie Wolfgang, Rebekah I. Dawson, John Wisniewski, Chad F. Bender, Caleb Cañas, William Cochran, Scott A. Diddams, Connor Fredrick, Samuel Halverson, Fred Hearty, Leslie Hebb, Shubham Kanodia, Eric Levi, Andrew J. Metcalf, Andrew Monson, Lawrence Ramsey, Arpita Roy, Christian Schwab, Ryan Terrien, Jason T. Wright
[ arXiv:2007.12766v1 | PDF File ]
- Synthetic Spectra of Rotating Stars
Mikhail Lipatov, Timothy D. Brandt
[ arXiv:2007.12779v1 | PDF File ]
- The Milky Way's bar and bulge revealed by APOGEE DR16 and Gaia DR2
A. B. A. Queiroz, C. Chiappini, A. Perez-Villegas, A. Khalatyan, F. Anders, B. Barbuy, B. X. Santiago, M. Steinmetz, K. Cunha, M. Schultheis, S. R. Majewski, I. Minchev, D. Minniti, R. E. Cohen, L. N. da Costa, J. G. Fernández-Trincado, D. A. Garcia-Hernández, D. Geisler, S. Hasselquist, R. . Lane, A. Rojas-Arriagada, A. Roman-Lopes, V. Smith
[ arXiv:2007.12915v1 | PDF File ]
- Uncovering magnetic turbulence in young supernova remnants with polarized X-ray imaging
Andrei M. Bykov, Yury A. Uvarov, Patrick Slane, Donald C. Ellison
[ arXiv:2007.12921v1 | PDF File ]
- On the Determination of Rotation Velocity and Dynamical Mass of Galaxies Based on Integrated H I Spectra
Niankun Yu, Luis C. Ho, Jing Wang
[ arXiv:2007.12959v1 | PDF File ]
- Non-detection of Helium in the Upper Atmospheres of Three Sub-Neptune Exoplanets
David Kasper, Jacob L. Bean, Antonija Oklopčić, Isaac Malsky, Eliza M.-R. Kempton, Jean-Michel Désert, Leslie A. Rogers, Megan Mansfield
[ arXiv:2007.12968v1 | PDF File ]
- PTF11rka: an interacting supernova at the crossroads of stripped-envelope and H-poor super-luminous stellar core collapses
Elena Pian (1), Paolo A. Mazzali (2 and 3), Takashi J. Moriya (4 and 5), Adam Rubin (6), Avishay Gal-Yam (7), Iair Arcavi (8 and 9), Sagi Ben-Ami (10), Nadia Blagorodnova (11), Milena Bufano (12), Alex V. Filippenko (13 and 14), Mansi Kasliwal (15), Shri R. Kulkarni (15), Ragnhild Lunnan (16), Ilan Manulis (7), Tom Matheson (17), Peter E. Nugent (18 and 13), Eran Ofek (7), Dan A. Perley (2), Simon J. Prentice (19), Ofer Yaron (7) ((1) INAF-OAS Bologna, Italy, (2) Liverpool John Moores Univ., ARI, (3) MPA, Garching, Germany, (4) NAOJ, Mitaka, Tokyo, (5) School of Physics and Astronomy, Monash Univ., Australia, (6) ESO, Garching, (7) Benoziyo Center for Astrophysics, Weizmann Institute of Science, Israel, (8) School of Physics and Astronomy, Tel Aviv Univ., (9) CIFAR, Canada, (10) Harvard Smithsonian CfA, (11) Dept of Astrophysics/IMAPP, Radboud Univ., Nijmegen, The Netherlands, (12) INAF-Osservatorio Astrofisico di Catania, Italy, (13) Dept of Astronomy, Univ. of California, Berkeley, (14) Miller Senior Fellow, Berkeley, (15) Cahill Center for Astrophysics, CalTech, (16) Oskar Klein Centre & Department of Astronomy, Stockholm Univ., (17) NSF's National Optical-Infrared Astronomy Research Laboratory, Tucson, (18) Lawrence Berkeley National Laboratory, Berkeley, (19) School of Physics, Trinity College Dublin, The University of Dublin)
[ arXiv:2007.13144v1 | PDF File ]
- A protostellar system fed by a streamer of 10,500 au length
Jaime E. Pineda (1), Dominique Segura-Cox (1), Paola Caselli (1), Nichol Cunningham (2), Bo Zhao (1), Anika Schmiedeke (1), Maria José Maureira (1), Roberto Neri (2) ((1) Max-Planck-Institut für extraterrestrische Physik (MPE), Gießenbachstr. 1, D-85748 Garching, Germany, (2) Institut de Radioastronomie Millimétrique (IRAM), 300 rue de la Piscine, F-38406, Saint-Martin d'Hères, France)
[ arXiv:2007.13430v1 | PDF File ]
- On the Energy Sources of the Most Luminous Supernova ASASSN-15lh
Long Li, Zi-Gao Dai, Shan-Qin Wang, Shu-Qing Zhong
[ arXiv:2007.13464v1 | PDF File ]
- Understanding biases in measurements of molecular cloud kinematics using line emission
Yuxuan Yuan, Mark R.Krumholz, Blakesley Burkhart
[ arXiv:2007.13488v1 | PDF File ]
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