The Swift Gamma-Ray Burst Mission Italian site U.K. site

GRB 121024A

Redshift:
2.298 (VLT: absorption)
Host Galaxy:
Other Observatory Detections:
TAROT (25cm), BOOTES-1B (0.3m), PROMPT, Dolomites Astronomical Observatory (16"), VLT, MPG/ESO (2.2m), PAIRITEL (1.3m), GMG (2.4m), CARMA @ ~85 GHz, EVLA @ 22 GHz, ARIES Nainital (1,04m)

Time: 02:56:12
Trigger Number: 536580
Burst Advocate: Claudio Pagani

Burst Alert Telescope (BAT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
T90 b Fluence c
(15-150 keV)
1-sec Peak d
Photon Flux
(15-150 keV)
Photon Index e
(15-150 keV)
70.481
04:41:55.4
-12.255
-12:15:18.0
1.7 69 11 (1) 1.3 (0.2) 1.41, PL (0.22)

90% error in parentheses,
a arcmin; b seconds; c 10-7 erg/cm2; d ph/cm2/sec; e PL = simple power-law, CPL = cutoff power-law

X-Ray Telescope (XRT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Early Flux c
(0.3-10 keV)
11 Hour Flux c
(0.3-10 keV)
24 Hour Flux c
(0.3-10 keV)
Initial d
LC Index
Spectral
Index
(Gamma)
Column e
Density
(NH)
04:41:53.30 -12:17:25.9 1.4 93.00 110 0.07719156 0.025306632 -2.114 2.00683 8.83441

a arcsec; b seconds; c 10-11 erg/cm2/s; d temporal; e 1021 cm-2

Note: Please be aware that only the very basic temporal and spectral quantities are reported here. You are strongly encouraged to see the referenced GCN circulars for full details.

» XRT GRB Live Catalogue
» XRT Light Curves
» XRT Spectra

UltraViolet/Optical Telescope (UVOT):

RA
(J2000)
Dec
(J2000)
90% Error a
Radius
Time to First b
Observation
Magnitude Other Filter
Magnitudes
04:41:53.28 -12:17:26.8 0.78 158 V>18.1 B=18.44
U_fc=18.43
U>18.5
UVW1>18.1
UVM2>17.6
UVW2>18.1

a arcsec; b seconds

Comments:

References:

BAT: GCN 13886; GCN 13899
XRT: GCN 13886; GCN 13892; GCN 13894; Evans et al., 2009, MNRAS, 397, 1177
UVOT: GCN 13886; GCN 13901
Radio: GCN 13900 (CARMA)
Redshift: GCN 13890 (VLT); GCN 13903 (EVLA)
Host:
Other:

BAT Light Curve:

BAT Light Curve for GRBblc/121024A.png