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Title: Gravitational Radiation from Close Binaries with Time-varying Masses

Abstract

In the quadrupole approximation of general relativity in the weak-field limit, a time-varying quadrupole moment generates gravitational radiation. Binary orbits are one of the main mechanisms for producing gravitational waves and are the main sources and backgrounds for gravitational-wave detectors across the multiband spectrum. In this paper, we introduce additional contributions to the gravitational radiation from close binaries that arise from time-varying masses along with those produced by orbital motion. Further, we derive phase-dependent formulae for these effects in the quadrupolar limit for binary point masses, which reduce to the formulae that Peters & Mathews derived when the mass of each component is taken to be constant. Finally, we show that gravitational radiation from mass variation can be orders of magnitude greater than that of orbital motion.

Authors:
ORCiD logo [1]; ORCiD logo [1]
  1. Univ. of Illinois at Urbana-Champaign, IL (United States)
Publication Date:
Research Org.:
Krell Institute, Ames, IA (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
OSTI Identifier:
1614433
Grant/Contract Number:  
NA0003864
Resource Type:
Accepted Manuscript
Journal Name:
The Astrophysical Journal (Online)
Additional Journal Information:
Journal Name: The Astrophysical Journal (Online); Journal Volume: 882; Journal Issue: 1; Journal ID: ISSN 1538-4357
Publisher:
Institute of Physics (IOP)
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; astronomy & astrophysics; binaries: close; gravitational waves

Citation Formats

Holgado, A. Miguel, and Ricker, Paul M. Gravitational Radiation from Close Binaries with Time-varying Masses. United States: N. p., 2019. Web. https://doi.org/10.3847/1538-4357/ab3293.
Holgado, A. Miguel, & Ricker, Paul M. Gravitational Radiation from Close Binaries with Time-varying Masses. United States. https://doi.org/10.3847/1538-4357/ab3293
Holgado, A. Miguel, and Ricker, Paul M. Fri . "Gravitational Radiation from Close Binaries with Time-varying Masses". United States. https://doi.org/10.3847/1538-4357/ab3293. https://www.osti.gov/servlets/purl/1614433.
@article{osti_1614433,
title = {Gravitational Radiation from Close Binaries with Time-varying Masses},
author = {Holgado, A. Miguel and Ricker, Paul M.},
abstractNote = {In the quadrupole approximation of general relativity in the weak-field limit, a time-varying quadrupole moment generates gravitational radiation. Binary orbits are one of the main mechanisms for producing gravitational waves and are the main sources and backgrounds for gravitational-wave detectors across the multiband spectrum. In this paper, we introduce additional contributions to the gravitational radiation from close binaries that arise from time-varying masses along with those produced by orbital motion. Further, we derive phase-dependent formulae for these effects in the quadrupolar limit for binary point masses, which reduce to the formulae that Peters & Mathews derived when the mass of each component is taken to be constant. Finally, we show that gravitational radiation from mass variation can be orders of magnitude greater than that of orbital motion.},
doi = {10.3847/1538-4357/ab3293},
journal = {The Astrophysical Journal (Online)},
number = 1,
volume = 882,
place = {United States},
year = {2019},
month = {8}
}

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Cited by: 3 works
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    Works referencing / citing this record:

    Gravitational waves from supernova mass loss and natal kicks in close binaries
    journal, October 2019

    • Holgado, A. Miguel; Ricker, Paul M.
    • Monthly Notices of the Royal Astronomical Society, Vol. 490, Issue 4
    • DOI: 10.1093/mnras/stz2925

    Stochastic gravitational wave background from accreting primordial black hole binaries during early inspiral stage
    journal, November 2019