The Daily Brew
Selected astro-ph abstracts for Friday 2021 August 6
- Spiral morphology in an intensely star-forming disk galaxy more than 12 billion years ago
Takafumi Tsukui, Satoru Iguchi
[ arXiv:2108.02206v1 | PDF File ]
- TESS-Keck Survey IX: Masses of Three Sub-Neptunes Orbiting HD 191939 and the Discovery of a Warm Jovian Plus a Distant Sub-Stellar Companion
Jack Lubin, Judah Van Zandt, Rae Holcomb, Lauren M. Weiss, Erik A Petigura, Paul Robertson, Joseph M. Akana Murphy, Nicholas Scarsdale, Konstantin Batygin, Alex S. Polanski, Natalie M. Batalha, Ian J. M. Crossfield, Courtney Dressing, Benjamin Fulton, Andrew W. Howard, Daniel Huber, Howard Isaacson, Stephen R. Kane, Arpita Roy, Corey Beard, Sarah Blunt, Ashley Chontos, Fei Dai, Paul A. Dalba, Steven Giacalone, Michelle L. Hill, Andrew Mayo, Teo Mocnik, Molly R. Kosiarek, Malena Rice, Ryan A. Rubenzahl, David W. Latham, S. Seager, Joshua N. Winn
[ arXiv:2108.02208v1 | PDF File ]
- Variation in the Stellar Mass Function Along Stellar Streams
Jeremy J. Webb, Jo Bovy
[ arXiv:2108.02217v1 | PDF File ]
- $\textit{TESS}$ Giants Transiting Giants I: A Non-inflated Hot Jupiter Orbiting a Massive Subgiant
Nicholas Saunders, Samuel K. Grunblatt, Daniel Huber, Karen A. Collins, Eric L. N. Jensen, Andrew Vanderburg, Rafael Brahm, Andrés Jordán, Néstor Espinoza, Thomas Henning, Melissa J. Hobson, Samuel N. Quinn, George Zhou, R. Paul Butler, Lisa Crause, Rudi B. Kuhn, K. Moses Mogotsi, Coel Hellier, Ruth Angus, Soichiro Hattori, Ashley Chontos, George R. Ricker, Jon M. Jenkins, Peter Tenenbaum, David W. Latham, Sara Seager, Roland K. Vanderspek, Joshua N. Winn, Chris Stockdale, Ryan Cloutier
[ arXiv:2108.02294v1 | PDF File ]
- Constraining the Orbit and Mass of $\epsilon$ Eridani b with Radial Velocities, Hipparcos IAD-{Gaia~DR2} Astrometry, and Multi-epoch Vortex Coronagraphy Upper Limits
Jorge Llop-Sayson, Jason J. Wang, Jean-Baptiste Ruffio, Dimitri Mawet, Sarah Blunt, Olivier Absil, Charlotte Bond, Casey Brinkman, Brendan P. Bowler, Michael Bottom, Ashley Chontos, Paul A. Dalba, B.J. Fulton, Steven Giacalone, Michelle Hill, Lea A. Hirsch, Andrew W. Howard, Howard Isaacson, Mikael Karlsson, Jack Lubin, Alex Madurowicz, Keith Matthews, Evan Morris, Marshall Perrin, Bin Ren, Malena Rice, Lee J. Rosenthal, Garreth Ruane, Ryan Rubenzahl, He Sun, Nicole Wallack, Jerry W. Xuan, Marie Ygouf
[ arXiv:2108.02305v1 | PDF File ]
- TOI-431/HIP 26013: a super-Earth and a sub-Neptune transiting a bright, early K dwarf, with a third RV planet
Ares Osborn, David J. Armstrong, Bryson Cale, Rafael Brahm, Robert A. Wittenmyer, Fei Dai, Ian J. M. Crossfield, Edward M. Bryant, Vardan Adibekyan, Ryan Cloutier, Karen A. Collins, E. Delgado Mena, Malcolm Fridlund, Coel Hellier, Steve B. Howell, George W. King, Jorge Lillo-Box, Jon Otegi, S. Sousa, Keivan G. Stassun, Elisabeth C. Matthews, Carl Ziegler, George Ricker, Roland Vanderspek, David W. Latham, S. Seager, Joshua N. Winn, Jon M. Jenkins, Jack S. Acton, Brett C. Addison, David R. Anderson, Sarah Ballard, David Barrado, Susana C. C. Barros, Natalie Batalha, Daniel Bayliss, Thomas Barclay, Björn Benneke, John Berberian Jr., Francois Bouchy, Brendan P. Bowler, César Briceño, Christopher J. Burke, Matthew R. Burleigh, Sarah L. Casewell, David Ciardi, Kevin I. Collins,et al. (81 additional authors not shown)
[ arXiv:2108.02310v1 | PDF File ]
- First tidal disruption events discovered by SRG/eROSITA: X-ray/optical properties and X-ray luminosity function at z < 0.6
S. Sazonov, M. Gilfanov, P. Medvedev, Y. Yao, G. Khorunzhev, A. Semena, R. Sunyaev, R. Burenin, A. Lyapin, A. Mescheryakov, G. Uskov, I. Zaznobin, K.A. Postnov, A.V. Dodin, A.A. Belinski, A.M.Cherepashchuk, M. Eselevich, S.N. Dodonov, A.A. Grokhovskaya, S.S. Kotov, I.F. Bikmaev, R.Ya. Zhuchkov, R.I. Gumerov, S. van Velzen, S. Kulkarni
[ arXiv:2108.02449v1 | PDF File ]
- Spatial Statistics in Star Forming Regions: Is Star Formation Driven By Column Density Alone?
Brendan Retter, Jennifer Hatchell, Tim Naylor
[ arXiv:2108.02466v1 | PDF File ]
- Stability of the protoneutron stars toward black hole formation
Hajime Sotani, Kohsuke Sumiyoshi
[ arXiv:2108.02484v1 | PDF File ]
- Using Source Proper Motion to Validate Terrestrial Parallax: OGLE-2019-BLG-1058
In-Gu Shin, Jennifer C. Yee, Kyu-Ha Hwang, Andrzej Udalski, Andrew Gould, Michael D. Albrow, Sun-Ju Chung, Cheongho Han, Youn Kil Jung, Hyoun-Woo Kim, Yoon-Hyun Ryu, Yossi Shvartzvald, Weicheng Zang, Sang-Mok Cha, Dong-Jin Kim, Seung-Lee Kim, Chung-Uk Lee, Dong-Joo Lee, Yongseok Lee, Byeong-Gon Park, Richard W. Pogge, Przemek Mróz, Michał K. Szymański, Jan Skowron, Radek Poleski, Igor Soszyński, Paweł Pietrukowicz, Szymon Kozłowski, Krzysztof Ulaczyk, Krzysztof A. Rybicki, Patryk Iwanek, Marcin Wrona, Mariusz Gromadzki
[ arXiv:2108.02499v1 | PDF File ]
- Asteroseismology of evolved stars to constrain the internal transport of angular momentum. IV. Internal rotation of Kepler 56 from an MCMC analysis of the rotational splittings
L. Fellay, G. Buldgen, P. Eggenberger, S. Khan, S. J. A. J. Salmon, A. Miglio, J. Montalbán
[ arXiv:2108.02670v1 | PDF File ]
- The final fates of close hot subdwarf - white dwarf binaries: mergers involving He/C/O white dwarfs and the formation of unusual giant stars with C/O-dominated envelopes
Josiah Schwab, Evan B. Bauer
[ arXiv:2108.02734v1 | PDF File ]
- Revised surface abundances of R Coronae Borealis stars
Gajendra Pandey (1), B. P. Hema (1), Arumalla B. S. Reddy (1), (1) Indian Institute of Astrophysics, Bangalore, Karnataka, 560034, India
[ arXiv:2108.02736v1 | PDF File ]
- Small-scale Clumping at Recombination and the Hubble Tension
Michael Rashkovetskyi, Julian B. Muñoz, Daniel J. Eisenstein, Cora Dvorkin
[ arXiv:2108.02747v1 | PDF File ]
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