2004A&A...427..901S


C.D.S. - SIMBAD4 rel 1.7 - 2021.04.14CEST21:04:38

2004A&A...427..901S - Astronomy and Astrophysics, volume 427, 901-905 (2004/12-1)

The color evolution of the optical afterglow of GRB 030329 and the implications for the underlying supernova SN 2003dh.

SIMON V., HUDEC R. and PIZZICHINI G.

Abstract (from CDS):

We find that the color indices (B-V)0, (V-R)0, (R-I)0, (I-J)0 in the observer frame of the optical afterglow (OA) of GRB 030329 during t-T0<10 days are consistent with those of a uniform group of 25 OAs of GRBs, previously analyzed by Simon et al. (2001A&A...377..450S; 2003, GRB Symp., AIP Conf. Proc. (in press)). The synchrotron component with parameters similar to those of the other 25 OAs was thus initially dominant in the optical and IR spectrum of the OA of GRB 030329. Following the arguments of Simon et al. (2001A&A...377..450S), it also appears that either GRB 030329 was not located deep inside a star-forming region or that the local dust was destroyed by the intense initial flash. The absolute R magnitude of this event MR0≃-26.6mag in the rest frame at (t-T0)rest=0.25-days is in good agreement with the typical brightness of the OAs analyzed by Simon et al. (2001A&A...377..450S). We detected large color variations of the OA of GRB 030329 only for t-T0>12 days, which suggest a rapid evolution of the spectrum of the underlying SN 2003dh. We compare it with the individual type Ic SNe and find that its color evolution is plausibly matched only by that of SN 1998bw although the indices still reveal spectral differences between the two objects. The agreement is particularly good only at t-T0=26 and 27-days. The evolution of SN 2003dh becomes faster than that of SN 1998bw later on and SN 2003dh develops an excess light in the red/IR spectral region. We also emphasize the discordance with other type Ic SNe which are not associated with GRBs.

Abstract Copyright:

Journal keyword(s): gamma rays: bursts - radiation mechanisms: non-thermal - ISM: jets and outflows - galaxies: ISM - stars: supernovae: general - stars: supernovae: individual: SN 2003dh

Simbad objects: 27

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Number of rows : 27

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 GRB 021004 gB 00 26 54.68 +18 55 41.6           ~ 519 0
2 GRB 000911 gB 02 18 42 +07 48.0           ~ 147 0
3 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 627 1
4 GRB 991216 gB 05 09 31.2983 +11 17 07.262           ~ 412 0
5 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 847 1
6 SN 2002lt SN* 08 08 59.858 +06 43 37.52           SNIc: 339 1
7 GRB 980613 gB 10 17 57.8 +71 27 26           ~ 199 1
8 SN 2003dh SN* 10 44 50.030 +21 31 18.15     16.2     SNIcpec 1135 1
9 GRB 030418 gB 10 54 33.69 -07 01 40.8           ~ 65 0
10 GRB 011211 gB 11 15 16 -21 56.0           ~ 289 0
11 GRB 030226 gB 11 33 04.9 +25 53 56           ~ 190 0
12 GRB 011121 gB 11 34 26.67 -76 01 41.6       23.0   ~ 258 1
13 GRB 971214 gB 11 56 26.4 +65 12 01           ~ 434 1
14 GRB 990308 gB 12 23 11.44 +06 44 05.1           ~ 44 1
15 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 469 1
16 GRB 020405 gB 13 58 03.12 -31 22 22.2   21.9 21.5     ~ 239 1
17 GRB 010222 G 14 52 12.5 +43 01 06           ~ 338 1
18 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 967 1
19 GRB 000301C gB 16 20 18.5 +29 26 35           ~ 343 0
20 GRB 991208 gB 16 33 53.51 +46 27 21.5           ~ 245 1
21 GRB 000926 gB 17 04 15 +51 46.0           ~ 345 0
22 SN 1998bw SN* 19 35 03.17 -52 50 46.1   14.09       SNIc 1683 2
23 GRB 020813A gB 19 46 41.874 -19 36 04.81           ~ 288 0
24 GRB 990712 gB 22 31 53.061 -73 24 28.58           ~ 253 1
25 GRB 010921 gB 22 55 59.90 +40 55 52.9           ~ 162 1
26 GRB 980519 gB 23 22 21.5 +77 15 43           ~ 195 0
27 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 425 1

    Equat.    Gal    SGal    Ecl

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