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  Gravitational Wave Emission from the Single-Degenerate Channel of Type Ia Supernovae

Falta, D., Fisher, R. T., & Khanna, G. (2011). Gravitational Wave Emission from the Single-Degenerate Channel of Type Ia Supernovae. Physical Review Letters, 106(20): 201103. doi:10.1103/PhysRevLett.106.201103.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-30F0-C Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0011-30F2-8
Genre: Journal Article

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 Creators:
Falta, David, Author
Fisher, Robert T., Author
Khanna, Gaurav1, Author
Affiliations:
1Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, Hannover, DE, ou_24011              

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Free keywords: Astrophysics, High Energy Astrophysical Phenomena, astro-ph.HE,General Relativity and Quantum Cosmology, gr-qc
 Abstract: The thermonuclear explosion of a C/O white dwarf as a Type Ia supernova (SN Ia) generates a kinetic energy comparable to that released by a massive star during a SN II event. Current observations and theoretical models have established that SNe Ia are asymmetric, and therefore -- like SNe II -- potential sources of gravitational wave (GW) radiation. We establish an upper-bound GW amplitude and expected frequency range based upon the energetics and nucleosynthetic yields of SNe Ia. We perform the first detailed calculations of the gravitationally-confined detonation (GCD) mechanism within the single-degenerate channel of SNe Ia. The GCD mechanism predicts a strongly-polarized GW burst from the SD channel of SNe Ia in the frequency band around 1 Hz. Third-generation spaceborne GW observatories currently in planning, including the Big Bang Observer (BBO), and the Deci-Hertz Interferometer Gravitational Wave Observatory (DECIGO), as well as earthbound instruments, including the Einstein Telescope (ET), may be able to detect the signal predicted by the GCD mechanism from galactic SNe Ia and nearby extragalactic SNe Ia at distances up to 1 Mpc. If observable, GWs may offer a direct probe into the first few seconds of SNe Ia, and yield insights into its underlying detonation mechanism not possible in the optical portion of the spectrum.

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 Dates: 2010-11-292011-03-282011
 Publication Status: Published in print
 Pages: 8 pages, 4 figures, submitted to Physical Review Letters
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 Table of Contents: -
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 Identifiers: arXiv: 1011.6387
DOI: 10.1103/PhysRevLett.106.201103
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Title: Physical Review Letters
  Other : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y., etc. : American Physical Society.
Pages: - Volume / Issue: 106 (20) Sequence Number: 201103 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406