ZTF-identified HW Virginis Systems

Creators: Enenstein, Josie; Burdge, Kevin; Prince, Thomas

Abstract

We present 46 HW Virginis Post-Common Envelope Binary Systems identified by the Zwicky Transient Facility, 26 of which appear to be new discoveries. Through the application of the Box Least-Squares Algorithm to ZTF data, we searched a data set of 17,473 systems for periodicity and phase-folded all of the ZTF lightcurves of the objects at their best period. Through visual analysis of these phase-folded lightcurves, we identified the 46 HW Vir Systems.

Additional Information

© 2021. The Author(s). Published by the American Astronomical Society. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Received January 2021; Revised March 2021; Accepted March 2021; Published April 2021. ZTF is a project led by PI S. R. Kulkarni at Caltech, and includes IPAC; WIS, Israel; OKC, Sweden; JSI/UMd, USA; UW, USA; DESY, Germany; NRC, Taiwan; UW Milwaukee, USA; and LANL USA. ZTF acknowledges the generous support of the NSF under AST MSIP Grant No 1440341. We thank the Caltech Summer Research Connections program for high-school students, under which Josie Enenstein did her research work. This work is based on observations obtained with the Samuel Oschin 48 inch Telescope at the Palomar Observatory.

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