2019ApJ...872..118B

Query : 2019ApJ...872..118B

2019ApJ...872..118B - Astrophys. J., 872, 118-118 (2019/February-3)

Late central-engine activity in GRB 180205A.

BECERRA R.L., WATSON A.M., FRAIJA N., BUTLER N.R., LEE W.H., TROJA E., ROMAN-ZUNIGA C.G., KUTYREV A.S., ALVAREZ NUNEZ L.C., ANGELES F., CHAPA O., CUEVAS S., FARAH A.S., FUENTES-FERNANDEZ J., FIGUEROA L., LANGARICA R., QUIROS F., RUIZ-DIAZ-SOTO J., TEJADA C.G. and TINOCO S.J.

Abstract (from CDS):

We present optical photometry of the afterglow of the long GRB 180205A with the COATLI telescope from 217 s to about 5 days after the Swift/BAT trigger. We analyze this photometry in conjunction with the X-ray light curve from Swift/XRT. The late-time light curves and spectra are consistent with the standard forward-shock scenario. However, the early-time optical and X-ray light curves show atypical behavior; the optical light curve exhibits a flat plateau while the X-ray light curve shows a flare. We explore several scenarios and conclude that the most likely explanation for the early behavior is late activity of the central engine.

Abstract Copyright: © 2019. The American Astronomical Society. All rights reserved.

Journal keyword(s): gamma-ray burst: individual: GRB 180205A

VizieR on-line data: <Available at CDS (J/ApJ/872/118): table3.dat>

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 Fermi bn100814160 gB 01 29 53.61 -17 59 43.6           ~ 219 0
2 GRB 050406 gB 02 17 52.200 -50 11 15.81     18.83     ~ 125 0
3 Fermi bn180205184 gB 08 27 16.72 +11 32 32.6           ~ 60 0
4 GRB 050502B gB 09 30 10.024 +16 59 48.07           ~ 169 0
5 Fermi bn161017745 gB 09 31 04.53 +43 07 35.0           ~ 75 0
6 GRB 011121 gB 11 34 26.67 -76 01 41.6       23.0   ~ 286 1

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