A transiting brown dwarf in a 2 hour orbit by Kareem El-Badry, Kevin B. Burdge, Jan van Roestel, Antonio C. Rodriguez

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Testing White Dwarf Age Estimates Using Wide Double White Dwarf Binaries from Gaia EDR3 by Tyler M. Heintz, J. J. Hermes, Kareem El-Badry, Charlie Walsh, Jennifer L. van Saders, C. E. Fields, Detlev Koester

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Erratum: “Testing White Dwarf Age Estimates Using Wide Double White Dwarf Binaries from Gaia EDR3” (2022, ApJ, 934, 148) by Tyler M. Heintz, J. J. Hermes, Kareem El-Badry, Charlie Walsh, Jennifer L. van Saders, C. E. Fields, Detlev Koester

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An Extremely Massive White Dwarf Escaped from the Hyades Star Cluster by David R. Miller, Ilaria Caiazzo, Jeremy Heyl, Harvey B. Richer, Kareem El-Badry, Antonio C. Rodriguez, Zachary P. Vanderbosch, Jan van Roestel

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A 1.9 solar-mass neutron star candidate in a 2-year orbit by Kareem El-Badry, Joshua D. Simon, Henrique Reggiani, Hans-Walter Rix, David W. Latham, Allyson Bieryla, Lars A. Buchhave, Sahar Shahaf, Tsevi Mazeh, Sukanya Chakrabarti, Puragra Guhathakurta, Ilya V. Ilyin, Thomas M. Tauris

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Measuring the Mass–Radius Relation of White Dwarfs Using Wide Binaries by Stefan Arseneau, Vedant Chandra, Hsiang-Chih Hwang, Nadia L. Zakamska, Gautham Adamane Pallathadka, Nicole R. Crumpler, J. J. Hermes, Kareem El-Badry, Hans-Walter Rix, Keivan G. Stassun, Boris T. Gänsicke, Joel R. Brownstein, Sean Morrison

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Discovery of Two Polars from a Crossmatch of ZTF and the SRG/eFEDS X-Ray Catalog by Antonio C. Rodriguez, Shrinivas R. Kulkarni, Thomas A. Prince, Paula Szkody, Kevin B. Burdge, Ilaria Caiazzo, Jan van Roestel, Zachary P. Vanderbosch, Kareem El-Badry, Eric C. Bellm, Boris T. Gänsicke, Matthew J. Graham, Ashish A. Mahabal, Frank J. Masci, Przemek Mróz, Reed Riddle, Ben Rusholme

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Public Data Release of the FIRE-2 Cosmological Zoom-in Simulations of Galaxy Formation by Andrew Wetzel, Christopher C. Hayward, Robyn E. Sanderson, Xiangcheng Ma, Daniel Anglés-Alcázar, Robert Feldmann, T. K Chan, Kareem El-Badry, Coral Wheeler, Shea Garrison-Kimmel, Farnik Nikakhtar, Nondh Panithanpaisal, Arpit Arora, Alexander B. Gurvich, Jenna Samuel, Omid Sameie, Viraj Pandya, Zachary Hafen, Cameron Hummels, Sarah Loebman, Michael Boylan-Kolchin, James S. Bullock, Claude-André Faucher-Giguère, Dušan Kereš, Eliot Quataert, Philip F. Hopkins

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SRGeJ045359.9+622444: A 55 Minute Period Eclipsing AM Canum Venaticorum Star Discovered from a Joint SRG/eROSITA + ZTF Search by Antonio C. Rodriguez, Ilkham Galiullin, Marat Gilfanov, Shrinivas R. Kulkarni, Irek Khamitov, Ilfan Bikmaev, Jan van Roestel, Lev Yungelson, Kareem El-Badry, Rashid Sunayev, Thomas A. Prince, Mikhail Buntov, Ilaria Caiazzo, Andrew Drake, Mark Gorbachev, Matthew J. Graham, Rustam Gumerov, Eldar Irtuganov, Russ R. Laher, Frank J. Masci, Pavel Medvedev, Josiah Purdum, Nail Sakhibullin, Alexander Sklyanov, Roger Smith, Paula Szkody, Zachary P. Vanderbosch

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Orbital Decay in an Accreting and Eclipsing 13.7 Minute Orbital Period Binary with a Luminous Donor by Kevin B. Burdge, Kareem El-Badry, Saul Rappaport, Tin Long Sunny Wong, Evan B. Bauer, Lars Bildsten, Ilaria Caiazzo, Deepto Chakrabarty, Emma Chickles, Matthew J. Graham, Erin Kara, S. R. Kulkarni, Thomas R. Marsh, Melania Nynka, Thomas A. Prince, Robert A. Simcoe, Jan van Roestel, Zach Vanderbosch, Eric C. Bellm, Richard G. Dekany, Andrew J. Drake, George Helou, Frank J. Masci, Jennifer Milburn, Reed Riddle, Ben Rusholme, Roger Smith

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