2000A&A...354..473M

Query : 2000A&A...354..473M

2000A&A...354..473M - Astronomy and Astrophysics, volume 354, 473-479 (2000/2-2)

Near-infrared detection and optical follow-up of the GRB 990705 afterglow.

MASETTI N., PALAZZI E., PIAN E., HUNT L.K., MENDEZ M., FRONTERA F., AMATI L., VREESWIJK P.M., ROL E., GALAMA T.J., VAN PARADIJS J., ANTONELLI L.A., NICASTRO L., FEROCI M., MARCONI G., PIRO L., COSTA E., KOUVELIOTOU C., CASTRO-TIRADO A.J., FALOMO R., AUGUSTEIJN T., BOEHNHARDT H., LIDMAN C., VANZI L., MERRILL K.M., KAMINSKY C.D., VAN DER KLIS M., HEEMSKERK M.H.M., VAN DER HOOFT F., KUULKERS E., PEDERSEN H. and BENETTI S.

Abstract (from CDS):

Optical and near-infrared observations of the GRB 990705 error box were carried out with ESO telescopes at La Silla and Paranal in Chile and with the NOAO SPIREX 0.6-meter telescope in Antarctica. We detected the counterpart of this GRB in the near-infrared H band and optical V band. The power-law decline of the near-infrared lightcurve is rather steep with a decay index α≃1.7 in the first hours, and a possible steepening after one day. Broadband spectral analysis of the optical/near-infrared afterglow suggests that this GRB took place in a high density environment. A deep optical image obtained at Antu (VLT-UT1) about 5 days after the GRB trigger shows at the position of the transient an extended object which might be the host galaxy of GRB 990705.

Abstract Copyright: ∼

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

Simbad objects: 13

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Number of rows : 13
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2024 		#notes
1 GRB 970228 gB 05 01 46.7 +11 46 53           ~ 638 1
2 2MASS J05094262-7207411 * 05 09 42.5954495472 -72 07 41.264295636   18.72 17.64     ~ 1 0
3 GRB 990705 gB 05 09 54.5 -72 07 53           ~ 222 1
4 GRB 970508 gB 06 53 49.2 +79 16 19           ~ 868 1
5 GRB 980329 gB 07 02 41 +38 50.7           ~ 273 1
6 GRB 980326 gB 08 36 34.3 -18 51 24           ~ 262 0
7 GRB 971214 gB 11 56 26.4 +65 12 01           ~ 440 1
8 PG 1323-086 HS* 13 25 39.4669501176 -08 49 19.067387484 12.660 13.341 13.481 13.529 13.608 sdB3IHe8 141 1
9 GRB 990510 gB 13 38 07.64 -80 29 48.8           ~ 488 1
10 GRB 990123 gB 15 25 29 +44 45.0     8.95     ~ 989 1
11 PG 2213-006 HS* 22 16 28.3762385784 -00 21 13.503339864 12.747 13.93 14.14 14.54 14.348 sdOB 79 0
12 GRB 980519 gB 23 22 21.5 +77 15 43           ~ 200 0
13 GRB 980703 gB 23 59 06.7 +08 35 07           ~ 445 1

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