The Daily Brew
Selected astro-ph abstracts for Thursday 2018 September 20
- The wide binary fraction of solar-type stars: emergence of metallicity dependence at a < 200 AU
Kareem El-Badry, Hans-Walter Rix
[ arXiv:1809.06860v1 | PDF File ]
- The young massive star cluster Westerlund 2 observed with MUSE. I. First results on the cluster internal motion from stellar radial velocities
Peter Zeidler (1), Elena Sabbi (1), Antonella Nota (1 and 2), Anna Pasquali (3), Eva K. Grebel (3), Anna Faye McLeod (4), Sebastian Kamann (5 and 6), Monica Tosi (7), Michele Cignoni (8 and 9), Suzanne Ramsey (10) ((1) Space Telescope Science Institute, (2) ESA, SRE Operations Devision, (3) Astronomisches Rechen-Institut, Zentrum für Astronomie der Universität Heidelberg, (4) School of Physical and Chemical Sciences, University of Canterbury, (5) Astrophysics Research Institute, Liverpool John Moores University, (6) Institute for Astrophysics, Georg-August-University, (7) INAF - Osservatorio di Astrofisica e Scienza dello Spazio, (8) Dipartimento di Fisica, Universita' di Pisa, (9) INFN, Sezione di Pisa, (10) ESO/European Southern Observatory)
[ arXiv:1809.06866v1 | PDF File ]
- A deep search for planets in the inner 15 au around Vega
Tiffany Meshkat, Ricky Nilsson, Jonathan Aguilar, Gautam Vasisht, Rebecca Oppenheimer, Kate Y. L. Su, Eric Cady, Thomas Lockhart, Christopher Matthews, Richard Dekany, Jarron Leisenring, Marie Ygouf, Dimitri Mawet, Laurent Pueyo, Charles Beichman
[ arXiv:1809.06941v1 | PDF File ]
- A Large Ground-Based Observing Campaign of the Disintegrating Planet K2-22b
Knicole D. Colón, George Zhou, Avi Shporer, Karen A. Collins, Allyson Bieryla, Néstor Espinoza, Felipe Murgas, Petchara Pattarakijwanich, Supachai Awiphan, James D. Armstrong, Jeremy Bailey, Geert Barentsen, Daniel Bayliss, Anurak Chakpor, William D. Cochran, Vikram S. Dhillon, Keith Horne, Michael Ireland, Lucyna Kedziora-Chudczer, John F. Kielkopf, Siramas Komonjinda, David W. Latham, Tom. R. Marsh, David E. Mkrtichian, Enric Pallé, David Ruffolo, Ramotholo Sefako, Chris G. Tinney, Suwicha Wannawichian, Suraphong Yuma
[ arXiv:1809.06978v1 | PDF File ]
- Revealing reionization with the thermal history of the intergalactic medium: new constraints from the Lyman-$\alpha$ flux power spectrum
Elisa Boera, George D. Becker, James S. Bolton, Fahad Nasir
[ arXiv:1809.06980v1 | PDF File ]
- Where are the double-degenerate progenitors of type Ia supernovae?
A. Rebassa-Mansergas, S. Toonen, V. Korol, S. Torres
[ arXiv:1809.07158v1 | PDF File ]
- Probing Cosmic Dawn: Modelling the Assembly History, SEDs, and Dust Content of Selected $z\sim9$ Galaxies
Harley Katz, Nicolas Laporte, Richard S. Ellis, Julien Devriendt, Adrianne Slyz
[ arXiv:1809.07210v1 | PDF File ]
- TESS Discovery of an ultra-short-period planet around the nearby M dwarf LHS 3844
Roland Vanderspek (MIT), Chelsea X. Huang, Andrew Vanderburg, George R. Ricker, David W. Latham, Sara Seager, Joshua N. Winn, Jon M. Jenkins, Jennifer Burt, Jason Dittmann, Elisabeth Newton, Samuel N. Quinn, Avi Shporer, David Charbonneau, Jonathan Irwin, Kristo Ment, Jennifer G. Winters, Karen A. Collins, Phil Evans, Tianjun Gan, Rhodes Hart, Eric L.N. Jensen, John Kielkopf, Shude Mao, William Waalkes, François Bouchy, Maxime Marmier, Louise D. Nielsen, Gaël Ottoni, Francesco Pepe, Damien Ségransan, Stéphane Udry, Todd Henry, Leonardo A. Paredes, Hodari-Sadiki James, Rodrigo H. Hinojosa, Michele L. Silverstein, Enric Palle, Zachory Berta-Thompson, Misty D. Davies, Michael Fausnaugh, Ana W. Glidden, Joshua Pepper, Edward H. Morgan, Mark Rose, Joseph D. Twicken, Jesus Noel S. Villaseñor,et al. (1 additional author not shown)
[ arXiv:1809.07242v1 | PDF File ]
- How Much SETI Has Been Done? Finding Needles in the n-Dimensional Cosmic Haystack
Jason T. Wright, Shubham Kanodia, Emily G. Lubar
[ arXiv:1809.07252v1 | PDF File ]
- Shape of Dark Matter Haloes in the Illustris Simulation: Effects of Baryons
Kunting Eddie Chua, Annalisa Pillepich, Mark Vogelsberger, Lars Hernquist
[ arXiv:1809.07255v1 | PDF File ]
- Self-calibration method for II and GI types of intrinsic alignments of galaxies
Ji Yao, Mustapha Ishak, M. A. Troxel (The LSST Dark Energy Science Collaboration)
[ arXiv:1809.07273v1 | PDF File ]
- A closer look at the transition between fully convective and partly radiative low mass stars
Isabelle Baraffe, Gilles Chabrier
[ arXiv:1809.07274v1 | PDF File ]
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