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Microlensing Events in the Galactic Plane Using the Zwicky Transient Facility
Antonio C. Rodriguez, Przemek Mróz, Shrinivas R. Kulkarni +9
Microlensing is a powerful technique to study the Galactic population of "dark" objects such as exoplanets both bound and unbound, brown dwarfs, low-luminosity stars, old white dwa…
Characterizing Sparse Asteroid Light Curves with Gaussian Processes
Christina Willecke Lindberg, Daniela Huppenkothen, R. Lynne Jones +11
In the era of wide-field surveys like the Zwicky Transient Facility and the Rubin Observatory's Legacy Survey of Space and Time, sparse photometric measurements constitute an incre…
The Type Icn SN 2021csp: Implications for the Origins of the Fastest Supernovae and the Fates of Wolf-Rayet Stars
Daniel A. Perley, Jesper Sollerman, Steve Schulze +31
We present observations of SN 2021csp, the second example of a newly-identified type of supernova (Type Icn) hallmarked by strong, narrow, P Cygni carbon features at early times. T…
Variability-selected intermediate mass black hole candidates in dwarf galaxies from ZTF and WISE
Charlotte Ward, Suvi Gezari, Peter Nugent +9
While it is difficult to observe the first black hole seeds in the early Universe, we can study intermediate mass black holes (IMBHs) in local dwarf galaxies for clues about their…
AT2018lqh and the nature of the emerging population of day-scale duration optical transients
E. O. Ofek, S. M. Adams, E. Waxman +18
We report on the discovery of AT2018lqh (ZTF18abfzgpl) -- a rapidly-evolving extra-galactic transient in a star-forming host at 242 Mpc. The transient g-band light curve's duration…
A low-energy explosion yields the underluminous Type IIP SN 2020cxd
S. Yang, J. Sollerman, N. L. Strotjohann +12
We present observations and analysis of SN 2020cxd, a Low luminous (LL), long-lived Type IIP SN. This object was a clear outlier in the magnitude-limited SN sample recently present…