2017Sci...358.1574S

Query : 2017Sci...358.1574S

2017Sci...358.1574S - Science, 358, 1574-1578 (2017)

Early spectra of the gravitational wave source GW170817: Evolution of a neutron star merger.

SHAPPEE B.J., SIMON J.D., DROUT M.R., PIRO A.L., MORRELL N., PRIETO J.L., KASEN D., HOLOIEN T.W.-S., KOLLMEIER J.A., KELSON D.D., COULTER D.A., FOLEY R.J., KILPATRICK C.D., SIEBERT M.R., MADORE B.F., MURGUIA-BERTHIER A., PAN Y.-C., PROCHASKA J.X., RAMIREZ-RUIZ E., REST A., ADAMS C., ALATALO K., BANADOS E., BAUGHMAN J., BERNSTEIN R.A., BITSAKIS T., BOUTSIA K., BRAVO J.R., DI MILLE F., HIGGS C.R., JI A.P., MARAVELIAS G., MARSHALL J.L., PLACCO V.M., PRIETO G. and WAN Z.

Abstract (from CDS):

On 17 August 2017, Swope Supernova Survey 2017a (SSS17a) was discovered as the optical counterpart of the binary neutron star gravitational wave event GW170817. We report time-series spectroscopy of SSS17a from 11.75 hours until 8.5 days after the merger. Over the first hour of observations, the ejecta rapidly expanded and cooled. Applying blackbody fits to the spectra, we measured the photosphere cooling from

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Journal keyword(s):

Simbad objects: 6

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Number of rows : 6
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 SN 2003dh SN* 10 44 50.030 +21 31 18.15     16.2     SNIcpec 1261 1
2 SN 2006bp SN* 11 53 55.74 +52 21 09.4 14.5 15.8 14.7     SNIIP 191 1
3 ASASSN -14lp SN* 12 45 09.1 -00 27 32           SNIa-norm 75 0
4 GrW 170817 GWE 13 09 48.0850 -23 22 53.343           ~ 2683 0
5 SN 2011fe SN* 14 03 05.711 +54 16 25.22   10.12 10.06     SNIa-norm 747 1
6 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1928 2

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