Host galaxies catalog used in LIGO searches for compact binary coalescence events

Kopparapu, Ravi Kumar, Hanna, Chad, Kalogera, Vicky, O'Shaughnessy, Richard, González, Gabriela, Brady, Patrick R. and Fairhurst, Stephen ORCID: https://orcid.org/0000-0001-8480-1961 2008. Host galaxies catalog used in LIGO searches for compact binary coalescence events. The Astrophysical Journal 675 (2) , pp. 1459-1467. 10.1086/527348

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Abstract

An up-to-date catalog of nearby galaxies considered to be hosts of binary compact objects is provided, with complete information about sky position, distance, extinction-corrected blue luminosity, and error estimates. With our current understanding of binary evolution, rates of formation and coalescence for binary compact objects scale with massive-star formation, and hence the (extinction-corrected) blue luminosity of host galaxies. Coalescence events in binary compact objects are among the most promising gravitational-wave sources for ground-based gravitational-wave detectors such as LIGO. Our catalog and associated error estimates are important for the interpretation of analyses carried out for LIGO, in constraining the rates of compact binary coalescence, given an astrophysical population model for the sources considered. We discuss how the notion of effective distance, created to account for the antenna pattern of a gravitational-wave detector, must be used in conjunction with our catalog. We also note that the catalog provided can be used in other astronomical analysis of populations that scale with galaxy blue luminosity.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QB Astronomy
Uncontrolled Keywords:	binaries: close; catalogs; galaxies: luminosity function, mass function; gravitational waves; stars: neutron
Publisher:	Institute of Physics
ISSN:	0004-637X
Last Modified:	21 Oct 2022 08:55
URI:	https://orca.cardiff.ac.uk/id/eprint/34784

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