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Title:
Host Galaxies Catalog Used in LIGO Searches for Compact Binary Coalescence Events
Authors:
Kopparapu, Ravi Kumar; Hanna, Chad; Kalogera, Vicky; O'Shaughnessy, Richard; González, Gabriela; Brady, Patrick R.; Fairhurst, Stephen
Affiliation:
AA(Center for Computation and Technology, Louisiana State University, Baton Rouge, LA 70803.; Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803.; Current address: Center for Gravitational Wave Physics, 104 Davey Lab, Pennsylvania State University, University Park, PA 16802-6300.), AB(Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803.), AC(Department of Physics and Astronomy, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208.), AD(Current address: Center for Gravitational Wave Physics, 104 Davey Lab, Pennsylvania State University, University Park, PA 16802-6300.; Department of Physics and Astronomy, Northwestern University, 2145 Sheridan Road, Evanston, IL 60208.), AE(Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA 70803.), AF(Department of Physics, University of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, WI 53201.), AG(Department of Physics, University of Wisconsin-Milwaukee, P.O. Box 413, Milwaukee, WI 53201.; School of Physics and Astronomy, Cardiff University, Cardiff, CF2 3YB, UK.; LIGO Laboratory, California Institute of Technology, Pasadena, CA 91125.)
Publication:
The Astrophysical Journal, Volume 675, Issue 2, pp. 1459-1467. (ApJ Homepage)
Publication Date:
03/2008
Origin:
UCP
ApJ Keywords:
Stars: Binaries: Close, Catalogs, Galaxies: Luminosity Function, Mass Function, Gravitational Waves, Stars: Neutron
DOI:
10.1086/527348
Bibliographic Code:
2008ApJ...675.1459K

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.
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