Journal
ASTROPHYSICAL JOURNAL LETTERS
Volume 850, Issue 1, Pages -Publisher
IOP Publishing Ltd
DOI: 10.3847/2041-8213/aa92c0
Keywords
binaries: general; gravitational waves; methods: observational; stars: neutron
Categories
Funding
- Development Programme of Lomonosov Moscow State University
- Moscow Union OPTICA
- Russian Science Foundation [16-12-00085]
- National Research Foundation of South Africa
- RFBR [17-52-80133, 15-02-07875]
- Russian Federation Ministry of Education and Science [14.B25.31.0010, 14.593.21.0005]
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Following the discovery of the gravitational-wave source GW170817 by three Laser Interferometer Gravitational-wave Observatory (LIGO)/Virgo antennae (Abbott et al., 2017a), the MASTER Global Robotic Net telescopes obtained the first image of the NGC 4993 host galaxy. An optical transient, MASTER OTJ130948.10-232253.3/SSS17a was later found, which appears to be a kilonova resulting from the merger of two neutron stars (NSs). Here we describe this independent detection and photometry of the kilonova made in white light, and in B, V, and R filters. We note that the luminosity of this kilonova in NGC 4993 is very close to those measured for other kilonovae possibly associated with gamma-ray burst (GRB) 130603 and GRB 080503.
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