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On the Double: Two Luminous Flares from the Nearby Tidal Disruption Event ASASSN-22ci (AT2022dbl) and Connections to Repeating TDE Candidates
Jason T. Hinkle, Katie Auchettl, Willem B. Hoogendam +16
We present observations of ASASSN-22ci (AT2022dbl), a nearby tidal disruption event (TDE) discovered by the All-Sky Automated Survey for Supernovae (ASAS-SN) at a distance of d$_L…
The Dog that Didn't Bark: Non-Variable Field Stars in the RR Lyrae Instability Strip
Yuxi Lu, Cecilia Mateu, K. Z. Stanek
RR Lyrae stars (RRLs) are easy to identify thanks to their large photometric variation and short periods. All stars in the RRL instability strip are pulsators is often a hidden ass…
Precise and Accurate Mass and Radius Measurements of Fifteen Galactic Red Giants in Detached Eclipsing Binaries
D. M. Rowan, K. Z. Stanek, C. S. Kochanek +9
Precise and accurate mass and radius measurements of evolved stars are crucial to calibrating stellar models. Stars in detached eclipsing binaries (EBs) are excellent potential cal…
Echo Location: Distances to Galactic Supernovae From ASAS-SN Light Echoes and 3D Dust Maps
Kyle D. Neumann, Michael A. Tucker, Christopher S. Kochanek +2
Light echoes occur when light from a luminous transient is scattered by dust back into our line of sight with a time delay due to the extra propagation distance. We introduce a nov…
High mass function ellipsoidal variables in the Gaia Focused Product Release: searching for black hole candidates in the binary zoo
D. M. Rowan, Todd A. Thompson, T. Jayasinghe +2
The recent Gaia Focused Product Release contains radial velocity time-series for more than 9,000 Gaia long-period photometric variables. Here we search for binary systems with larg…