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|Title:||Swift follow-up of gravitational wave triggers: Results from the first aLIGO run and optimization for the future|
|Authors:||Evans, P. A.|
Kennea, J. A.
Palmer, D. M.
Osborne, J. P.
O'Brien, P. T.
Tanvir, N. R.
Lien, A. Y.
Barthelmy, S. D.
Burrows, D. N.
Cenko, S. B.
Marshall, F. E.
Page, K. L.
Siegel, M. H.
|Publisher:||Oxford University Press (OUP), Royal Astronomical Society|
|Citation:||Monthly Notices of the Royal Astronomical Society, (October 21, 2016) 462 (2): 1591-1602.|
|Abstract:||During its first observing run, in late 2015, the advanced Laser Interferometer Gravitationalwave Observatory facility announced three gravitational wave (GW) triggers to electromagnetic follow-up partners. Two of these have since been confirmed as being of astrophysical origin: both are binary black hole mergers at ~500 Mpc; the other trigger was later found not to be astrophysical. In this paper, we report on the Swift follow-up observations of the second and third triggers, including details of 21 X-ray sources detected; none of which can be associated with the GW event. We also consider the challenges that the next GW observing run will bring as the sensitivity and hence typical distance of GW events will increase. We discuss how to effectively use galaxy catalogues to prioritize areas for follow-up, especially in the presence of distance estimates from the GW data. We also consider two galaxy catalogues and suggest that the high completeness at larger distances of the 2MASS Photometric Redshift catalogue makes it very well suited to optimize Swift follow-up observations.|
|Rights:||Creative Commons “Attribution Non-Commercial No Derivatives” licence CC BY-NC-ND, further details of which can be found via the following link: http://creativecommons.org/licenses/by-nc-nd/4.0/ Archived with reference to SHERPA/RoMEO and publisher website.|
|Appears in Collections:||Published Articles, Dept. of Physics and Astronomy|
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|MNRAS-2016-Evans-1591-602.pdf||Published (publisher PDF)||1.3 MB||Adobe PDF||View/Open|
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