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Four new eclipsing accreting ultracompact white dwarf binaries found with the Zwicky Transient Facility
J. M. Khalil, J. van Roestel, E. C. Bellm +10
Context. Accreting ultracompact binaries contain a white dwarf that is accreting from a degenerate object and have orbital periods shorter than 65 minutes. Aims. The aims of this l…
An Optical Search for New Outbursting Low Mass X-Ray Binaries
Yuankun Wang, Eric C. Bellm, Allison Crossland +5
Transient Low-Mass X-ray binaries (LMXBs) are discovered largely by X-ray and gamma-ray all-sky monitors. The X-ray outburst is also accompanied by an optical brightening, which em…
Minutes-duration Optical Flares with Supernova Luminosities
Anna Y. Q. Ho, Daniel A. Perley, Ping Chen +74
In recent years, certain luminous extragalactic optical transients have been observed to last only a few days. Their short observed duration implies a different powering mechanism…
Microlensing Events in Five Years of Photometry from the Zwicky Transient Facility
Ruocheng Zhai, Antonio C. Rodriguez, Shude Mao +5
Microlensing has a unique advantage for detecting dark objects in the Milky Way, such as free-floating planets, neutron stars, and stellar-mass black holes. Most microlensing surve…
A Pilot Search for Gravitational Self-Lensing Binaries with the Zwicky Transient Facility
Allison Crossland, Eric C. Bellm, Courtney Klein +5
Binary systems containing a compact object may exhibit periodic brightening episodes due to gravitational lensing as the compact object transits the companion star. Such ``self-len…
A 12.4 day periodicity in a close binary system after a supernova
Ping Chen, Avishay Gal-Yam, Jesper Sollerman +37
Neutron stars and stellar-mass black holes are the remnants of massive star explosions. Most massive stars reside in close binary systems, and the interplay between the companion s…