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  Gravitational Waves from Individual Supermassive Black Hole Binaries in Circular Orbits: Limits from the North American Nanohertz Observatory for Gravitational Waves

Arzoumanian, Z., Brazier, A., Burke-Spolaor, S., Chamberlin, S. J., Chatterjee, S., Cordes, J. M., et al. (2014). Gravitational Waves from Individual Supermassive Black Hole Binaries in Circular Orbits: Limits from the North American Nanohertz Observatory for Gravitational Waves. Astrophysical Journal, 794(2): 141. doi:10.1088/0004-637X/794/2/141.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-50F8-7 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-50F9-5
Genre: Journal Article

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Arzoumanian, Z., Author
Brazier, A., Author
Burke-Spolaor, S., Author
Chamberlin, S. J., Author
Chatterjee, S., Author
Cordes, J. M., Author
Demorest, P. B., Author
Deng, X., Author
Dolch, T., Author
Ellis, J. A., Author
Ferdman, R. D., Author
Garver-Daniels, N., Author
Jenet, F., Author
Jones, G., Author
Kaspi, V. M., Author
Koop, M., Author
Lam, M., Author
Lazio, T. J. W., Author
Lommen, A. N., Author
Lorimer, D. R., Author
Luo, J., AuthorLynch, R. S., AuthorMadison, D. R., AuthorMcLaughlin, M., AuthorMcWilliams, S. T., AuthorNice, D. J., AuthorPalliyaguru, N., AuthorPennucci, T. T., AuthorRansom, S. M., AuthorSesana, A.1, Author              Siemens, X., AuthorStairs, I. H., AuthorStinebring, D. R., AuthorStovall, K., AuthorSwiggum, J., AuthorVallisneri, M., Authorvan Haasteren, R., AuthorWang, Y., AuthorZhu, W. W., Author more..
Affiliations:
1Astrophysical Relativity, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24013              

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Free keywords: Astrophysics, Galaxy Astrophysics, astro-ph.GA, Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM,General Relativity and Quantum Cosmology, gr-qc
 Abstract: We perform a search for continuous gravitational waves from individual supermassive black hole binaries using robust frequentist and Bayesian techniques. We augment standard pulsar timing models with the addition of time-variable dispersion measure and frequency variable pulse shape terms. We apply our techniques to the Five Year Data Release from the North American Nanohertz Observatory for Gravitational Waves. We find that there is no evidence for the presence of a detectable continuous gravitational wave; however, we can use these data to place the most constraining upper limits to date on the strength of such gravitational waves. Using the full 17 pulsar data set we place a 95% upper limit on the strain amplitude of h 0 lsim 3.0 × 10–14 at a frequency of 10 nHz. Furthermore, we place 95% sky-averaged lower limits on the luminosity distance to such gravitational wave sources, finding that dL gsim 425 Mpc for sources at a frequency of 10 nHz and chirp mass 1010 M ☉. We find that for gravitational wave sources near our best timed pulsars in the sky, the sensitivity of the pulsar timing array is increased by a factor of ~four over the sky-averaged sensitivity. Finally we place limits on the coalescence rate of the most massive supermassive black hole binaries.

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 Dates: 2014-04-042014-05-192014
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: DOI: 10.1088/0004-637X/794/2/141
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Title: Astrophysical Journal
Source Genre: Journal
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Publ. Info: Chicago, IL : University of Chicago Press for the American Astronomical Society
Pages: - Volume / Issue: 794 (2) Sequence Number: 141 Start / End Page: - Identifier: ISSN: 0004-637X
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/954922828215_2