TDRSS lightcurve for Trigger=927839

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 04 Oct 19 21:33:56 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     927839,   Seg_Num: 0
GRB_RA:           49.177d {+03h 16m 42s} (J2000),
                  49.361d {+03h 17m 27s} (current),
                  48.710d {+03h 14m 51s} (1950)
GRB_DEC:         -39.613d {-39d 36' 46"} (J2000),
                 -39.541d {-39d 32' 28"} (current),
                 -39.796d {-39d 47' 44"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2163 [cnts]    Image_Peak=168 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       22435 [cnts]
BKG_TIME:        77608.30 SOD {21:33:28.30} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18760 TJD;   277 DOY;   19/10/04
GRB_TIME:        77621.68 SOD {21:33:41.68} UT
GRB_PHI:         -133.04 [deg]
GRB_THETA:        13.94 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     18.52 [sigma]
IMAGE_SIGNIF:    9.55 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  +0  +0  +0 +54  +0 
SUN_POSTN:       190.45d {+12h 41m 49s}   -4.50d {-04d 29' 48"}
SUN_DIST:        123.25 [deg]   Sun_angle= 9.4 [hr] (West of Sun)
MOON_POSTN:      272.38d {+18h 09m 31s}  -22.38d {-22d 23' 00"}
MOON_DIST:       106.20 [deg]
MOON_ILLUM:      42 [%]
GAL_COORDS:      244.87,-57.48 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       29.18,-54.77 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is a rate trigger.  
COMMENTS:        A point_source was found.  
COMMENTS:        This does not match any source in the on-board catalog.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        This is a GRB.  
COMMENTS:        This trigger occurred at longitude,latitude = 109.82,18.90 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Fri 04 Oct 19 21:51:53 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     927839,   Seg_Num: 0
GRB_RA:           49.177d {+03h 16m 42s} (J2000),
                  49.361d {+03h 17m 27s} (current),
                  48.710d {+03h 14m 51s} (1950)
GRB_DEC:         -39.613d {-39d 36' 46"} (J2000),
                 -39.541d {-39d 32' 28"} (current),
                 -39.796d {-39d 47' 44"} (1950)
GRB_DATE:        18760 TJD;   277 DOY;   19/10/04
GRB_TIME:        77621.68 SOD {21:33:41.68} UT
TRIGGER_INDEX:   124
GRB_PHI:         -133.04 [deg]
GRB_THETA:        13.94 [deg]
DELTA_TIME:      -57.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     18.52 [sigma]
IMAGE_SIGNIF:    9.55 [sigma]
LC_URL:          sw00927839000msb.lc

Initial TDRSS lightcurve and spacecraft attitude plot

TDRSS lightcurve from T0-30 to T0+50 (zoom in)

TDRSS light curve from T0-1 to T0+2 (More zoom in)

1.6s binned TDRSS light curve

Extended TDRSS light curve and spacecraft attitude plot(s)

Extended TDRSS lc No.1

Extended TDRSS lc No.2

Extended TDRSS lc No.3

Extended TDRSS lc No.4

Plot creation:
Fri Oct  4 17:52:02 EDT 2019