Observation time to first detection of double neutron star mergers by gravitational wave observatories
作者： D. M. Coward
DOI: 10.1111/J.1745-3933.2008.00518.X
关键词:
摘要: We constrain the uncertainty in waiting times for detecting first double neutron star (DNS) mergers by gravitational wave observatories. By accounting Poisson fluctuations rate density of DNS and galaxy space inhomogeneity local Universe, we define a detection ‘zone’ as region parameter constrained merger two Laser Interferometer Gravitational-wave Observatory (LIGO) operation parameters: an observation horizon distance science run duration. Assuming mean about 80 per Milky Way Myr−1, find 1/20 chance observing enhanced LIGO only 1 yr observation. The minimum time temporal zone width advanced sensitivity are much shorter imply that there is 95 cent probability less than 60 d d. At 5 threshold detection, effect clusters on smoothed out may influence rates after 5–10 time.
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