TDRSS lightcurve for Trigger=895503

Notes:

• 1) None of the TDRSS light curves are background subtracted.

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Mar 19 23:16:37 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     895503,   Seg_Num: 0
GRB_RA:          297.816d {+19h 51m 16s} (J2000),
                 297.986d {+19h 51m 57s} (current),
                 297.376d {+19h 49m 30s} (1950)
GRB_DEC:         +39.070d {+39d 04' 12"} (J2000),
                 +39.120d {+39d 07' 12"} (current),
                 +38.941d {+38d 56' 28"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       983 [cnts]    Image_Peak=73 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   190     E_range: 50-350 keV
BKG_INTEN:       13171 [cnts]
BKG_TIME:        83761.35 SOD {23:16:01.35} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18569 TJD;    86 DOY;   19/03/27
GRB_TIME:        83773.90 SOD {23:16:13.90} UT
GRB_PHI:          58.33 [deg]
GRB_THETA:        13.10 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     6.16 [sigma]
IMAGE_SIGNIF:    6.64 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +3  -4  +0  +1 -31  +0 
SUN_POSTN:         6.43d {+00h 25m 42s}   +2.78d {+02d 46' 38"}
SUN_DIST:         71.62 [deg]   Sun_angle= 4.6 [hr] (West of Sun)
MOON_POSTN:      275.09d {+18h 20m 23s}  -21.64d {-21d 38' 30"}
MOON_DIST:        64.43 [deg]
MOON_ILLUM:      52 [%]
GAL_COORDS:       73.94,  6.26 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      313.69, 58.36 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 159.36,17.34 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Mar 19 23:34:52 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     895503,   Seg_Num: 0
GRB_RA:          297.816d {+19h 51m 16s} (J2000),
                 297.986d {+19h 51m 57s} (current),
                 297.376d {+19h 49m 30s} (1950)
GRB_DEC:         +39.070d {+39d 04' 12"} (J2000),
                 +39.120d {+39d 07' 12"} (current),
                 +38.941d {+38d 56' 28"} (1950)
GRB_DATE:        18569 TJD;    86 DOY;   19/03/27
GRB_TIME:        83773.90 SOD {23:16:13.90} UT
TRIGGER_INDEX:   190
GRB_PHI:          58.33 [deg]
GRB_THETA:        13.10 [deg]
DELTA_TIME:      25.00 [sec]
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     6.16 [sigma]
IMAGE_SIGNIF:    6.64 [sigma]
LC_URL:          sw00895503000msb.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:
Wed Mar 27 19:35:04 EDT 2019