Timescales for detection of super-Chandrasekhar white dwarfs by gravitational wave astronomy
Apr 28, 20208 pages
Published in:
- Astrophys.J. 896 (2020) 1, 69
- Published: Jun 15, 2020
e-Print:
- 2004.13750 [astro-ph.HE]
DOI:
- 10.3847/1538-4357/ab8e40 (publication)
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Abstract: (IOP)
Over the past two decades, the inference of the violation of the Chandrasekhar mass limit of white dwarfs (WDs) from indirect observation has been a revolutionary discovery in astronomy. Various researchers have already proposed different theories to explain this interesting phenomenon. However, such massive WDs usually possess very little luminosity, hence they so far cannot be detected directly by any observations. We have already proposed that the continuous gravitational wave may be one of the probes to detect them directly, and in the future various space-based detectors, such as LISA, DECIGO, and BBO, should be able to detect many of those WDs (provided they behave like pulsars). In this paper, we address various timescales related to the emission of gravitational as well as dipole radiations. This exploration sets a timescale for the detectors to observe the massive WDs.Note:
- 10 pages including 3 figures and 5 tables; Accepted for publication in ApJ
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