2003A&A...400L...9C

Query : 2003A&A...400L...9C

2003A&A...400L...9C - Astronomy and Astrophysics, volume 400L9-12 (2003/3-2)

Polarization evolution of the GRB 020405 afterglow.

COVINO S., MALESANI D., GHISELLINI G., LAZZATI D., DI SEREGO ALIGHIERI S., STEFANON M., CIMATTI A., DELLA VALLE M., FIORE F., GOLDONI P., KAWAI N., ISRAEL G.L., LE FLOC'H E., MIRABEL I.F., RICKER G., SARACCO P., STELLA L., TAGLIAFERRI G. and ZERBI F.M.

Abstract (from CDS):

Polarization measurements for the optical counterpart to GRB020405 are presented and discussed. Our observations were performed with the VLT-UT3 (Melipal) during the second and third night after the gamma-ray burst discovery. The polarization degree (and the position angle) appears to be constant between our two observations at a level around 1.5/2%. The polarization can be intrinsic but it is not possible to unambiguously exclude that a substantial fraction of it is induced by dust in the host galaxy.

Abstract Copyright: ∼

Journal keyword(s): gamma rays: bursts - polarization - radiation mechanisms: non-thermal

Simbad objects: 11

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Number of rows : 11
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 GRB 021004 gB 00 26 54.68 +18 55 41.6           ~ 560 0
2 GRB 011211 gB 11 15 16 -21 56.0           ~ 305 0
3 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 499 1
4 USNO-A2.0 0525-16813005 * 13 58 00.2191994808 -31 22 28.716736548   19.84 19.01     ~ 3 0
5 GRB 020405 gB 13 58 03.12 -31 22 22.2   21.9 21.5     ~ 259 1
6 USNO-A2.0 0525-16815468 * 13 58 07.2183889008 -31 22 57.406078560   18.18 17.92     ~ 2 0
7 GRB 010222 G 14 52 12.5 +43 01 06           ~ 364 1
8 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 1012 1
9 EGGR 118 WD* 16 17 55.2411185208 -15 35 52.154367684 12.086 13.215 13.425 13.558 13.714 DA1.7 105 0
10 GRB 020813A gB 19 46 41.874 -19 36 04.81           ~ 316 0
11 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 268 1

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