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Cataclysmic Variables in the Second Year of the Zwicky Transient Facility
Paula Szkody, Clair Olde Loohuis, Brad Koplitz +17
Using a filter in the GROWTH Marshal based on color and the amplitude and the timescale of variability, we have identified 372 objects as known or candidate cataclysmic variables (…
Helium-rich Superluminous Supernovae From the Zwicky Transient Facility
Lin Yan, D. Perley, S. Schulze +39
Helium is expected to be present in the ejecta of some hydrogen-poor superluminous supernovae (SLSN-I). However, so far only one event, PTF10hgi has been identified with He feature…
Cataclysmic Variables in the First Year of the Zwicky Transient Facility
Paula Szkody, Brooke Dicenzo, Anna Y. Q. Ho +25
Using selection criteria based on amplitude, time and color, we have identified 329 objects as known or candidate cataclysmic variable (CVs) during the first year of testing and op…
Discovery of s-process enhanced stars in the LAMOST survey
Brodie J Norfolk, Andrew R Casey, Amanda I Karakas +7
Here we present the discovery of 895 s-process-rich candidates from 454,180 giant stars observed by the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) using a d…
Discovery of an intermediate-luminosity red transient in M51 and its likely dust-obscured, infrared-variable progenitor
Jacob E. Jencson, Scott M. Adams, Howard E. Bond +49
We present the discovery of an optical transient (OT) in Messier 51, designated M51 OT2019-1 (also ZTF19aadyppr, AT 2019abn, ATLAS19bzl), by the Zwicky Transient Facility (ZTF). Th…
Tidal interactions between binary stars drives lithium production in low-mass red giants
Andrew R. Casey, Anna Y. Q. Ho, Melissa Ness +9
Theoretical models of stellar evolution predict that most of the lithium inside a star is destroyed as the star becomes a red giant. However, observations reveal that about 1% of r…