GRB080912A

This page lists all entries on GRB080912A in GRBweb

Summary Fermi GBM GCN 8235

Summary table
Variable Value Source
GRB_name_Fermi GRB080912360
T0 8:38:52.867 UTC Fermi_GBM
ra 25.8000° Fermi_GBM
decl -7.2000° Fermi_GBM
pos_error 5.87e+00° Fermi_GBM
T90 16.384 s Fermi_GBM
T90_error 2.896 s Fermi_GBM
T90_start 8:38:52.867 UTC Fermi_GBM
fluence 2.13e-06 erg/cm² Fermi_GBM
fluence_error 2.97e-08 erg/cm² Fermi_GBM
T100 16.384 s
GBM_located True
mjd 54721.360334108795 Fermi_GBM
Fermi GBM table
GRB_name_Fermi GRB080912360
trigger_name bn080912360
ra 25.8000°
decl -7.2000°
pos_error 5.87e+00°
datum 2008-09-12
t_trigger 8:38:55.939 UTC
T90 16.384 s
T90_error 2.896 s
T90_start 8:38:52.867 UTC
fluence 2.13e-06 erg/cm²
fluence_error 2.97e-08 erg/cm²
flux_1024 2.48e+00 erg/cm²/s
flux_1024_error 1.45e-01 erg/cm²/s
flux_1024_time 8.96e-01 erg/cm²/s
flux_64 4.82e+00 erg/cm²/s
flux_64_error 7.04e-01 erg/cm²/s
GCN 8235 table
GRB_name GRB080912A
GCN_number 8235
Detection_method Fermi GBM Det
t_trigger 8:38:55 UTC
ra 26.1000°
decl -5.1000°
Circular_text TITLE: GCN CIRCULAR NUMBER: 8235 SUBJECT: GRB 080912 : Fermi GBM detection DATE: 08/09/15 16:57:29 GMT FROM: Sheila McBreen at MPE S. McBreen, E. Bissaldi and A. von Kienlin (MPE) report on behalf of the Fermi GBM Team: "At 08:38:55 UT on 12 September 2008, the Fermi Gamma-ray Burst Monitor triggered and located GRB 080912 (trigger 242901536 / 080912360). The on-ground calculated location, using the Fermi GBM trigger data, is RA = 26.1, Dec = -5.1 (J2000 degrees) (equivalent to J2000 01h 44m, -05d 06'), with a statistical uncertainty of 8.4 degrees (radius, 1-sigma containment; there is additionally a systematic error which is currently estimated to be 2 to 3 degrees). The angle from the Fermi LAT boresight is 56 degrees. This GRB consists of one main pulse starting at T0-3 with a T90 (50-300 keV) of about 17 s. The time-averaged spectrum in this interval is adequately fit by a powerlaw function with index -1.74 +/-0.07. The fluence (25-1000 keV) is 3.3 (+/-0.1)E-06 erg/cm2. The peak flux (25-1000 keV) on the 64 ms timescale is 4.1 +/- 0.7 ph/s/cm2. The spectral analysis results presented above are preliminary; the final results will be published in the Fermi GBM GRB Catalog."