期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 688, 期 2, 页码 L61-L64出版社
IOP PUBLISHING LTD
DOI: 10.1086/595279
关键词
binaries: close; gamma rays: bursts; gravitational waves; relativity
资金
- NASA BEFS [NNG06GH87G]
- NSF Gravitational Physics [PHY-0353111]
- Royal Society of New Zealand Marsden [UOA-204]
- UK Science and Technology Facilities Council
- NSF MRI [PHY-0619274]
- Science and Technology Facilities Council [PP/E001203/1] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [653321] Funding Source: National Science Foundation
Inspiral signals from binary compact objects (black holes and neutron stars) are primary targets of the ongoing searches by ground-based gravitational-wave interferometers (LIGO, Virgo, and GEO-600). We present parameter-estimation simulations for inspirals of black hole -neutron star binaries using Markov Chain Monte Carlo methods. For the first time, we both estimated the parameters of a binary inspiral source with a spinning, precessing component and determined the accuracy of the parameter estimation, for simulated observations with ground-based gravitational-wave detectors. We demonstrate that we can obtain the distance, sky position, and binary orientation at a higher accuracy than previously suggested in the literature. For an observation of an inspiral with sufficient spin and two or three detectors we find an accuracy in the determination of the sky position of the order of tens of square degrees.
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