Analysis Summary
Notes:
- 1) No attempt has been made to eliminate the non-significant decimal places.
- 2) This batgrbproduct analysis is done using the HEASARC data.
- 3) This batgrbproduct analysis is using the flight position for the mask-weighting calculation.
==========================================================================
BAT GROUND-DETECTED GRB DATA PROCESSING REPORT
(This burst occurred during telescope slew)
Process Script Ver: batgrbproduct v2.46
Process Start Time: Fri Nov 7 15:08:14 EST 2014
Host Name: bat1
Current Working Dir: /local/data/bat1/alien/Swift_3rdBATcatalog/event/batevent_reproc/GRB080130
======================================================================
Trigger: 00074372 Segment: 007
BAT Trigger Time: 223384438.4
UTC: 2008-01-30T11:13:55.861 [includes UTCF correction]
Where From?: Ground analysis (best_duration.txt)
NOTE: BAT trigger time for ground-detected burst during slew is the T100 start time.
Analysis Position: [ source = BAT ]
RA: 261.61657 Dec: -53.18878 [deg; J2000]
Refined Position: [ source = BAT non-slew period ]
RA: 261.642329404253 Dec: -53.1925480515856 [deg; J2000]
{ 17h 26m 34.2s , -53d 11' 33.2" }
+/- 2.14373022648928 [arcmin] (estimated 90% radius based on SNR)
+/- 1.10657714767263 [arcmin] (formal 1-sigma fit error)
SNR: 10.2333585773884
Angular difference between the analysis and refined position is 0.953230 arcmin
Partial Coding Fraction: Unavailable because the burst occurred during slew.
Duration
T90: 60.8000000417233 +/- 1.6
Measured from: 3.2
to: 64 [s; relative to TRIGTIME]
T50: 35.2000000178814 +/- 1.6
Measured from: 16
to: 51.2 [s; relative to TRIGTIME]
====== Table of the duration information =============================
Value tstart tstop
T100 67.200 0.000 67.200
T90 60.800 3.200 64.000
T50 35.200 16.000 51.200
Peak 1.000 45.100 46.100
====== Spectral Analysis Summary =====================================
Model : spectral model: simple power-law (PL) and cutoff power-law (CPL)
Ph_index : photon index: E^{Ph_index}
Ph_90err : 90% error of the photon index
Epeak : Epeak in keV
Epeak_90err: 90% error of Epeak
Norm : normalization at 50 keV in both the PL model and CPL model
Nomr_90err : 90% error of the normalization
chi2 : Chi-Squared
dof : degree of freedo
=== Time-averaged spectral analysis ===
(Best model with acceptable fit: PL)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.207 -0.173 0.176 - - - 1.23e-03 -1.21e-04 1.21e-04 56.120 57
CPL -0.676 -0.604 0.836 135.290 -52.453 -135.290 2.18e-03 -1.01e-03 2.96e-03 54.470 56
=== 1-s peak spectral analysis ===
(Best model with acceptable fit: N/A)
Model Ph_index Ph_90err_low Ph_90err_hi Epeak Epeak_90err_low Epeak_90err_hi Norm Nomr_90err_low Norm_90err_hi chi2 dof
PL -1.333 -0.698 0.760 - - - 3.12e-03 -1.01e-03 9.78e-04 66.790 57
CPL -1.381 -2.310 0.508 9999.360 N/A N/A 3.11e-03 N/A N/A 66.820 56
=== Fluence/Peak Flux Summary ===
Model Band1 Band2 Band3 Band4 Band5 Total
15-25 25-50 50-100 100-350 15-150 15-350 keV
Fluence PL 8.04e-08 1.77e-07 3.06e-07 1.23e-06 8.38e-07 1.80e-06 erg/cm2
90%_error_low -1.50e-08 -2.04e-08 -3.54e-08 -2.93e-07 -8.95e-08 -3.17e-07 erg/cm2
90%_error_hi 1.60e-08 2.01e-08 3.51e-08 3.54e-07 9.01e-08 3.69e-07 erg/cm2
Peak flux PL 1.09e-01 1.22e-01 9.66e-02 1.27e-01 3.75e-01 4.54e-01 ph/cm2/s
90%_error_low -1.09e-01 -4.90e-02 -4.14e-02 -8.68e-02 -1.20e-01 -1.47e-01 ph/cm2/s
90%_error_hi 7.79e-02 4.29e-02 3.85e-02 1.83e-01 1.21e-01 1.60e-01 ph/cm2/s
Fluence CPL 7.15e-08 1.84e-07 3.20e-07 6.13e-07 8.08e-07 1.19e-06 erg/cm2
90%_error_low -1.89e-08 -2.29e-08 -4.01e-08 -3.42e-07 -9.96e-08 -3.53e-07 erg/cm2
90%_error_hi 1.95e-08 2.35e-08 4.12e-08 7.27e-07 9.89e-08 7.31e-07 erg/cm2
Peak flux CPL 8.83e-02 6.84e-02 3.77e-02 3.55e-02 2.08e-01 2.29e-01 ph/cm2/s
90%_error_low -8.83e-02 -6.84e-02 -3.77e-02 -3.55e-02 -2.08e-01 -2.29e-01 ph/cm2/s
90%_error_hi 5.58e-02 2.83e-02 2.52e-02 1.53e-02 7.70e-02 1.69e-01 ph/cm2/s
======================================================================
Special notes of this burst