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Continuous gravitational wave from magnetized white dwarfs and neutron stars: possible missions for LISA, DECIGO, BBO, ET detectors

Kalita, Surajit and Mukhopadhyay, Banibrata (2019) Continuous gravitational wave from magnetized white dwarfs and neutron stars: possible missions for LISA, DECIGO, BBO, ET detectors. In: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY, 490 (2). pp. 2692-2705.

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Official URL: https://doi.org/10.1093/mnras/stz2734

Abstract

Recent detection of gravitational wave from nine black hole merger events and one neutron star merger event by LIGO and VIRGO shed a new light in the field of astrophysics. On the other hand, in the past decade, a few super-Chandrasekhar white dwarf candidates have been inferred through the peak luminosity of the light curves of a few peculiar Type Ia supernovae, though there is no direct detection of these objects so far. Similarly, a number of neutron stars with mass > 2 M-circle dot have also been observed. Continuous gravitational wave can be one of the alternate ways to detect these compact objects directly. It was already argued that magnetic field is one of the prominent physics to form super-Chandrasekhar white dwarfs and massive neutron stars. If such compact objects are rotating with certain angular frequency, then they can efficiently emit gravitational radiation, provided their magnetic field and rotation axes are not aligned, and these gravitational waves can be detected by some of the upcoming detectors, e.g. LISA, BBO, DECIGO, Einstein Telescope, etc. This will certainly be a direct detection of rotating magnetized white dwarfs as well as massive neutron stars.

Item Type: Journal Article
Publication: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
Publisher: OXFORD UNIV PRESS
Additional Information: Copyright of this article belongs to OXFORD UNIV PRESS
Keywords: gravitational waves; stars: magnetic field; stars: neutron; stars: rotation; white dwarfs
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 07 Feb 2020 10:57
Last Modified: 07 Feb 2020 10:57
URI: http://eprints.iisc.ac.in/id/eprint/64039

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