TDRSS lightcurve for Trigger=895257

Notes:

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Mar 19 09:01:33 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     895257,   Seg_Num: 0
GRB_RA:          314.698d {+20h 58m 47s} (J2000),
                 314.876d {+20h 59m 30s} (current),
                 314.234d {+20h 56m 56s} (1950)
GRB_DEC:         +41.822d {+41d 49' 20"} (J2000),
                 +41.898d {+41d 53' 51"} (current),
                 +41.627d {+41d 37' 37"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=1477 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        18569 TJD;    86 DOY;   19/03/27
GRB_TIME:        32417.36 SOD {09:00:17.36} UT
GRB_PHI:          17.49 [deg]
GRB_THETA:        20.02 [deg]
SOLN_STATUS:     0x201D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.58 [sigma]
MERIT_PARAMS:     +0  +0 +100  +6  +1  +0  +0  +1 -49  +0 
SUN_POSTN:         5.89d {+00h 23m 33s}   +2.54d {+02d 32' 41"}
SUN_DIST:         60.16 [deg]   Sun_angle= 3.4 [hr] (West of Sun)
MOON_POSTN:      267.23d {+17h 48m 55s}  -21.10d {-21d 06' 03"}
MOON_DIST:        76.85 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:       83.60, -2.63 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      337.16, 55.34 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
COMMENTS:        A point_source was found.  
COMMENTS:        This matches a source in the on-board catalog: Num=24268=(null) (probably an AT_Slot).  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:        There is a bright star (mag=6.16) 7.74 arcmin from this position.  
COMMENTS:        This is not a GRB.  
COMMENTS:        This is an interesting source.  
COMMENTS:        This trigger occurred at longitude,latitude = 35.54,19.76 [deg].  

GCN BAT Lightcurve Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 27 Mar 19 09:30:58 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     895257,   Seg_Num: 0
GRB_RA:          314.698d {+20h 58m 47s} (J2000),
                 314.876d {+20h 59m 30s} (current),
                 314.234d {+20h 56m 56s} (1950)
GRB_DEC:         +41.822d {+41d 49' 20"} (J2000),
                 +41.898d {+41d 53' 51"} (current),
                 +41.627d {+41d 37' 37"} (1950)
GRB_DATE:        18569 TJD;    86 DOY;   19/03/27
GRB_TIME:        32417.36 SOD {09:00:17.36} UT
TRIGGER_INDEX:   20000
GRB_PHI:          17.49 [deg]
GRB_THETA:        20.02 [deg]
DELTA_TIME:      0.00 [sec]
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x201D
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    9.58 [sigma]
LC_URL:          sw00895257000msb.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 05:31:23 EDT 2019