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A Systematic Search of Zwicky Transient Facility Data for Ultracompact Binary LISA-detectable Gravitational-wave Sources

  • Kevin B. Burdge
  • , Thomas A. Prince
  • , Jim Fuller
  • , David L. Kaplan
  • , Thomas R. Marsh
  • , Pier Emmanuel Tremblay
  • , Zhuyun Zhuang
  • , Eric C. Bellm
  • , Ilaria Caiazzo
  • , Michael W. Coughlin
  • , Vik S. Dhillon
  • , Boris Gaensicke
  • , Pablo Rodríguez-Gil
  • , Matthew J. Graham
  • , J. J. Hermes
  • , Thomas Kupfer
  • , S. P. Littlefair
  • , Przemek Mróz
  • , E. S. Phinney
  • , Jan Van Roestel
  • Yuhan Yao, Richard G. Dekany, Andrew J. Drake, Dmitry A. Duev, David Hale, Michael Feeney, George Helou, Stephen Kaye, Ashish A. Mahabal, Frank J. Masci, Reed Riddle, Roger Smith, Maayane T. Soumagnac, S. R. Kulkarni
  • California Institute of Technology
  • University of Wisconsin-Milwaukee
  • University of Warwick
  • University of Washington
  • University of Minnesota Twin Cities
  • University of Sheffield
  • Instituto de Astrofísica de Canarias
  • University of La Laguna
  • Boston University
  • University of California at Santa Barbara
  • Lawrence Berkeley National Laboratory
  • Weizmann Institute of Science

Research output: Contribution to journalArticlepeer-review

103 Scopus citations

Abstract

Using photometry collected with the Zwicky Transient Facility, we are conducting an ongoing survey for binary systems with short orbital periods (with the goal of identifying new gravitational-wave sources detectable by the upcoming Laser Interferometer Space Antenna (LISA). We present a sample of 15 binary systems discovered thus far, with orbital periods ranging from 6.91 to 56.35 minutes. Of the 15 systems, seven are eclipsing systems that do not show signs of significant mass transfer. Additionally, we have discovered two AM Canum Venaticorum systems and six systems exhibiting primarily ellipsoidal variations in their lightcurves. We present follow-up spectroscopy and high-speed photometry confirming the nature of these systems, estimates of their LISA signal-to-noise ratios, and a discussion of their physical characteristics.

Original languageEnglish
Article number32
JournalAstrophysical Journal
Volume905
Issue number1
DOIs
StatePublished - 10 Dec 2020
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2020. The American Astronomical Society. All rights reserved..

Funding

FundersFunder number
National Science Foundation1748958, 1440341, 677706, 340040

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