Localization and broadband follow-up of the gravitational-wave transient GW150914

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dc.contributor.author Sengupta, Anand
dc.date.accessioned 2016-04-16T11:14:41Z
dc.date.available 2016-04-16T11:14:41Z
dc.date.issued 2016-02
dc.identifier.citation Sengupta, Anand et al., “Localization and broadband follow-up of the gravitational-wave transient GW150914”, arXiv, Cornell University Library, DOI: arXiv:1602.08492, Feb. 2016. en_US
dc.identifier.other http://arxiv.org/abs/1602.08492
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/2179
dc.description.abstract A gravitational-wave transient was identified in data recorded by the Advanced LIGO detectors on 2015 September 14. The event candidate, initially designated G184098 and later given the name GW150914, is described in detail elsewhere. By prior arrangement, preliminary estimates of the time, significance, and sky location of the event were shared with 63 teams of observers covering radio, optical, near-infrared, X-ray, and gamma-ray wavelengths with ground- and space-based facilities. In this Letter we describe the low-latency analysis of the gravitational wave data and present the sky localization of the first observed compact binary merger. We summarize the follow-up observations reported by 25 teams via private Gamma-ray Coordinates Network Circulars, giving an overview of the participating facilities, the gravitational wave sky localization coverage, the timeline and depth of the observations. As this event turned out to be a binary black hole merger, there is little expectation of a detectable electromagnetic signature. Nevertheless, this first broadband campaign to search for a counterpart of an Advanced LIGO source represents a milestone and highlights the broad capabilities of the transient astronomy community and the observing strategies that have been developed to pursue neutron star binary merger events. Detailed investigations of the electromagnetic data and results of the electromagnetic follow-up campaign will be disseminated in the papers of the individual teams. en_US
dc.description.statementofresponsibility Anand Sengupta et al.
dc.language.iso en_US en_US
dc.publisher Cornell University Library en_US
dc.subject High energy astrophysical phenomena en_US
dc.subject General relativity and quantum cosmology en_US
dc.subject Broadband en_US
dc.subject Gravitational-wave en_US
dc.subject LIGO en_US
dc.subject GW150914 en_US
dc.title Localization and broadband follow-up of the gravitational-wave transient GW150914 en_US
dc.type Preprint en_US

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