//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:02:34 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2815 [cnts]    Image_Peak=132 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   233     E_range: 25-100 keV
BKG_INTEN:       20572 [cnts]
BKG_TIME:        75717.53 SOD {21:01:57.53} UT
BKG_DUR:         8 [sec]
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
GRB_PHI:         -27.12 [deg]
GRB_THETA:        26.50 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -3  +0  +0 +27  +0 
SUN_POSTN:        29.74d {+01h 58m 58s}  +12.14d {+12d 08' 15"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.39d {+10h 41m 35s}   +3.10d {+03d 05' 45"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [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 = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:02:47 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_INDEX:   233
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        29.74d {+01h 58m 58s}  +12.14d {+12d 08' 15"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.40d {+10h 41m 35s}   +3.10d {+03d 05' 42"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:        This was of sufficient merit to become the new Automated Target;  
COMMENTS:        but if the Current PPT has a greater merit, then we will not request a slew.  
COMMENTS:        FOM will request the s/c to slew.  
COMMENTS:        The S/C has yet to make its decision about safe to slew or not.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 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 = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:02:58 UT
NOTICE_TYPE:     Swift-S/C Will_Slew
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_INDEX:   233
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
SLEW_QUERY:      0x0
WAIT_TIME:       0.00 [sec]   (=0.0 [min])   
OBS_TIME:        1162.00 [sec]   (=19.4 [min])
INST_MODES:      BAT: 0=0x0   XRT: 0=0x0   UVOT: 32768=0x8000
MERIT:           100.00
SUN_POSTN:        29.74d {+01h 58m 58s}  +12.14d {+12d 08' 15"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.40d {+10h 41m 35s}   +3.09d {+03d 05' 40"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT SC Slew decision.  
COMMENTS:        SC will immediately slew to this target.  
COMMENTS:        This does not match any source in the ground catalog.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 is a GRB.  
COMMENTS:        Since the BAT IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:03:42 UT
NOTICE_TYPE:     Swift-XRT Nack-Position
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.703d {+15h 42m 49s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 29"} (J2000)
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  75816.45 SOD {21:03:36.45} UT,   86.4 [sec] since BAT Trigger Time
COUNTS:          1    Min_needed= 20
STD_DEV:         0.00   Max_StdDev_for_Good=28.44 [arcsec]
PH2_ITER:        0    Max_iter_allowed= 4
ERROR_CODE:      1
COMMENTS:        SWIFT-XRT Nack Position.  
COMMENTS:        No source found in the image.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:04:03 UT
NOTICE_TYPE:     Swift-XRT Spectrum
TRIGGER_NUM:     554135,   Seg_Num: 0
SPEC_START_DATE: 16403 TJD;   111 DOY;   13/04/21
SPEC_START_TIME: 75819.53 SOD {21:03:39.53} UT,   89.5 [sec] since BAT Trigger Time
SPEC_STOP_DATE:  16403 TJD;   111 DOY;   13/04/21
SPEC_STOP_TIME:  75819.99 SOD {21:03:39.99} UT
LIVETIME:          1.37 [sec]
POINT_RA:        235.70d {+15h 42m 49s} (J2000)
POINT_DEC:       +58.49d {+58d 29' 29"} (J2000)
MODE:            5, Low Rate Photodiode mode
WAVEFORM:        82
LRPD_BIAS:       0  (this value is valid only when in LRPD mode)
TERM_COND:       4
SPEC_URL:        sw00554135000msxlr.pha
SUN_POSTN:        29.74d {+01h 58m 58s}  +12.14d {+12d 08' 16"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.41d {+10h 41m 38s}   +3.09d {+03d 05' 28"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.55 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Spectrum.  
COMMENTS:        This spectrum accumulation was terminated by the 'LRPD-to-WT Transition' condition.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:04:17 UT
NOTICE_TYPE:     Swift-XRT Spectrum
TRIGGER_NUM:     554135,   Seg_Num: 0
SPEC_START_DATE: 16403 TJD;   111 DOY;   13/04/21
SPEC_START_TIME: 75819.53 SOD {21:03:39.53} UT,   89.5 [sec] since BAT Trigger Time
SPEC_STOP_DATE:  16403 TJD;   111 DOY;   13/04/21
SPEC_STOP_TIME:  75822.26 SOD {21:03:42.26} UT
LIVETIME:          2.13 [sec]
POINT_RA:        235.70d {+15h 42m 49s} (J2000)
POINT_DEC:       +58.49d {+58d 29' 29"} (J2000)
MODE:            6, Windowed Timing mode
WAVEFORM:        60
LRPD_BIAS:       0  (this value is valid only when in LRPD mode)
TERM_COND:       5
SPEC_URL:        sw00554135000msxwt.pha
SUN_POSTN:        29.74d {+01h 58m 58s}  +12.14d {+12d 08' 16"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.41d {+10h 41m 38s}   +3.09d {+03d 05' 26"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Spectrum.  
COMMENTS:        This spectrum accumulation was terminated by the 'WT-to-LRorPC Transition' condition.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:05:54 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_INDEX:   233
GRB_PHI:         -27.12 [deg]
GRB_THETA:        26.50 [deg]
DELTA_TIME:      25.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
LC_URL:          sw00554135000msb.lc
SUN_POSTN:        29.74d {+01h 58m 59s}  +12.14d {+12d 08' 18"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.42d {+10h 41m 42s}   +3.09d {+03d 05' 08"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:06:31 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.703d {+15h 42m 49s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 29"} (J2000)
POINT_ROLL:      26.456d
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  75819.78 SOD {21:03:39.78} UT,   89.7 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        1.389
N_STARS:         22
X_OFFSET:        528 [pixels]
Y_OFFSET:        534 [pixels]
X_MAX:           1487 [pixels]
Y_MAX:           1493 [pixels]
DET_THRESH:      10
PHOTO_THRESH:    5
SL_URL:          sw00554135000msufc0089.fits
SUN_POSTN:        29.74d {+01h 58m 59s}  +12.14d {+12d 08' 18"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.43d {+10h 41m 43s}   +3.08d {+03d 05' 01"}
MOON_DIST:        79.75 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.55 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:07:42 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.703d {+15h 42m 49s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 29"} (J2000)
ROLL:            26.456d
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  75819.78 SOD {21:03:39.78} UT,   89.7 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     388271030
X_OFFSET:        847 [pixels]
Y_OFFSET:        853 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1013
BINNING_INDEX:   1
IM_URL:          sw00554135000msuni0100.fits
SUN_POSTN:        29.75d {+01h 58m 59s}  +12.14d {+12d 08' 19"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.44d {+10h 41m 45s}   +3.08d {+03d 04' 47"}
MOON_DIST:        79.74 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.55 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:08:17 UT
NOTICE_TYPE:     Swift-XRT Lightcurve
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.698d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
LC_START_DATE:   16403 TJD;   111 DOY;   13/04/21
LC_START_TIME:   75819.14 SOD {21:03:39.14} UT,   89.1 [sec] since BAT Trigger Time
LC_STOP_DATE:    16403 TJD;   111 DOY;   13/04/21
LC_STOP_TIME:    76067.06 SOD {21:07:47.06} UT
LC_LIVE_TIME:    245.58 [sec], 99.1%
DELTA_TIME:      86152.08 [sec]
N_BINS:          100
TERM_COND:       0
LC_URL:          sw00554135000msx.lc
SUN_POSTN:        29.75d {+01h 58m 59s}  +12.14d {+12d 08' 20"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.44d {+10h 41m 46s}   +3.08d {+03d 04' 41"}
MOON_DIST:        79.74 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Lightcurve.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:10:06 UT
NOTICE_TYPE:     Swift-XRT Single-Pixel-Event-Report
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.698d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
SPER_START_DATE: 16403 TJD;   111 DOY;   13/04/21
SPER_START_TIME: 75991.84 SOD {21:06:31.84} UT,   261.8 [sec] since BAT Trigger Time
SPER_STOP_DATE:  16403 TJD;   111 DOY;   13/04/21
SPER_STOP_TIME:  76102.16 SOD {21:08:22.16} UT,   Stop-Start= 110.32 [sec]
TOT_EXPO_TIME:   5.01 [sec]
N_PKTS:          2
N_EVTS:          2
SPER_URL:        sw00554135000msxpc_uf.evt
SUN_POSTN:        29.75d {+01h 58m 59s}  +12.14d {+12d 08' 21"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.46d {+10h 41m 50s}   +3.07d {+03d 04' 20"}
MOON_DIST:        79.74 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Single-Pixel-Event-Report.  
COMMENTS:        This notice was forced out after watchdog timer expiring -- we did not want to wait for any more packets.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:12:41 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_INDEX:   233
GRB_PHI:         -27.12 [deg]
GRB_THETA:        26.50 [deg]
DELTA_TIME:      25.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
LC_URL:          sw00554135000msb.lc
SUN_POSTN:        29.75d {+01h 59m 00s}  +12.14d {+12d 08' 23"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.48d {+10h 41m 56s}   +3.06d {+03d 03' 51"}
MOON_DIST:        79.74 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:13:32 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.698d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
POINT_ROLL:      26.449d
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  76032.05 SOD {21:07:12.05} UT,   302.0 [sec] since BAT Trigger Time
FILTER:          7, U
BKG_MEAN:        0.568
N_STARS:         44
X_OFFSET:        288 [pixels]
Y_OFFSET:        294 [pixels]
X_MAX:           1727 [pixels]
Y_MAX:           1733 [pixels]
DET_THRESH:      7
PHOTO_THRESH:    3
SL_URL:          sw00554135000msufc0301.fits
SUN_POSTN:        29.75d {+01h 59m 00s}  +12.14d {+12d 08' 24"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.49d {+10h 41m 57s}   +3.06d {+03d 03' 42"}
MOON_DIST:        79.73 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:14:38 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.698d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
ROLL:            26.449d
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  76032.05 SOD {21:07:12.05} UT,   302.0 [sec] since BAT Trigger Time
FILTER:          7, U
EXPOSURE_ID:     388271242
X_OFFSET:        847 [pixels]
Y_OFFSET:        853 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1013
BINNING_INDEX:   1
IM_URL:          sw00554135000msuni0312.fits
SUN_POSTN:        29.75d {+01h 59m 00s}  +12.14d {+12d 08' 25"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.50d {+10h 42m 00s}   +3.06d {+03d 03' 30"}
MOON_DIST:        79.73 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:14:53 UT
NOTICE_TYPE:     Swift-XRT Single-Pixel-Event-Report
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.698d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 29"} (J2000)
SPER_START_DATE: 16403 TJD;   111 DOY;   13/04/21
SPER_START_TIME: 76149.80 SOD {21:09:09.80} UT,   419.7 [sec] since BAT Trigger Time
SPER_STOP_DATE:  16403 TJD;   111 DOY;   13/04/21
SPER_STOP_TIME:  76247.59 SOD {21:10:47.59} UT,   Stop-Start= 97.79 [sec]
TOT_EXPO_TIME:   15.04 [sec]
N_PKTS:          4
N_EVTS:          4
SPER_URL:        sw00554135000msxpc_uf.evt
SUN_POSTN:        29.75d {+01h 59m 00s}  +12.14d {+12d 08' 25"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.50d {+10h 42m 00s}   +3.06d {+03d 03' 27"}
MOON_DIST:        79.73 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Single-Pixel-Event-Report.  
COMMENTS:        This notice was forced out after watchdog timer expiring -- we did not want to wait for any more packets.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:16:07 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_INDEX:   233
GRB_PHI:         -27.12 [deg]
GRB_THETA:        26.50 [deg]
DELTA_TIME:      25.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
LC_URL:          sw00554135000msb.lc
SUN_POSTN:        29.75d {+01h 59m 00s}  +12.14d {+12d 08' 26"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.51d {+10h 42m 03s}   +3.05d {+03d 03' 13"}
MOON_DIST:        79.73 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:17:29 UT
NOTICE_TYPE:     Swift-XRT Single-Pixel-Event-Report
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.697d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
SPER_START_DATE: 16403 TJD;   111 DOY;   13/04/21
SPER_START_TIME: 76370.45 SOD {21:12:50.45} UT,   640.4 [sec] since BAT Trigger Time
SPER_STOP_DATE:  16403 TJD;   111 DOY;   13/04/21
SPER_STOP_TIME:  76603.62 SOD {21:16:43.62} UT,   Stop-Start= 233.17 [sec]
TOT_EXPO_TIME:   32.59 [sec]
N_PKTS:          7
N_EVTS:          7
SPER_URL:        sw00554135000msxpc_uf.evt
SUN_POSTN:        29.75d {+01h 59m 01s}  +12.14d {+12d 08' 27"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.52d {+10h 42m 05s}   +3.05d {+03d 02' 58"}
MOON_DIST:        79.72 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Single-Pixel-Event-Report.  
COMMENTS:        This notice was forced out after watchdog timer expiring -- we did not want to wait for any more packets.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:19:08 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     554135,   Seg_Num: 0
GRB_RA:          235.706d {+15h 42m 49s} (J2000),
                 235.776d {+15h 43m 06s} (current),
                 235.441d {+15h 41m 46s} (1950)
GRB_DEC:         +58.498d {+58d 29' 51"} (J2000),
                 +58.456d {+58d 27' 21"} (current),
                 +58.655d {+58d 39' 18"} (1950)
GRB_DATE:        16403 TJD;   111 DOY;   13/04/21
GRB_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_INDEX:   233
GRB_PHI:         -27.12 [deg]
GRB_THETA:        26.50 [deg]
DELTA_TIME:      25.00 [sec]
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
LC_URL:          sw00554135000msb.lc
SUN_POSTN:        29.75d {+01h 59m 01s}  +12.14d {+12d 08' 29"}
SUN_DIST:        106.28 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.54d {+10h 42m 09s}   +3.04d {+03d 02' 39"}
MOON_DIST:        79.73 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.62, 46.86 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      190.94, 72.55 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Lightcurve.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 = 107.71,7.42 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:20:23 UT
NOTICE_TYPE:     Swift-XRT Single-Pixel-Event-Report
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.698d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
SPER_START_DATE: 16403 TJD;   111 DOY;   13/04/21
SPER_START_TIME: 76666.31 SOD {21:17:46.31} UT,   936.2 [sec] since BAT Trigger Time
SPER_STOP_DATE:  16403 TJD;   111 DOY;   13/04/21
SPER_STOP_TIME:  76683.86 SOD {21:18:03.86} UT,   Stop-Start= 17.55 [sec]
TOT_EXPO_TIME:   40.12 [sec]
N_PKTS:          3
N_EVTS:          3
SPER_URL:        sw00554135000msxpc_uf.evt
SUN_POSTN:        29.75d {+01h 59m 01s}  +12.14d {+12d 08' 30"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.55d {+10h 42m 11s}   +3.04d {+03d 02' 25"}
MOON_DIST:        79.72 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Single-Pixel-Event-Report.  
COMMENTS:        This notice was forced out after watchdog timer expiring -- we did not want to wait for any more packets.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:20:19 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.697d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
POINT_ROLL:      26.449d
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  76609.71 SOD {21:16:49.71} UT,   879.6 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        5.970
N_STARS:         42
X_OFFSET:        288 [pixels]
Y_OFFSET:        294 [pixels]
X_MAX:           1727 [pixels]
Y_MAX:           1733 [pixels]
DET_THRESH:      21
PHOTO_THRESH:    12
SL_URL:          sw00554135000msufc0879.fits
SUN_POSTN:        29.75d {+01h 59m 01s}  +12.14d {+12d 08' 30"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.55d {+10h 42m 11s}   +3.04d {+03d 02' 26"}
MOON_DIST:        79.72 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Apr 13 21:22:36 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        235.697d {+15h 42m 47s} (J2000)
POINT_DEC:       +58.491d {+58d 29' 28"} (J2000)
ROLL:            26.449d
IMG_START_DATE:  16403 TJD;   111 DOY;   13/04/21
IMG_START_TIME:  76609.71 SOD {21:16:49.71} UT,   879.6 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     388271820
X_OFFSET:        847 [pixels]
Y_OFFSET:        853 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       1007
Y_GRB_POS:       1013
BINNING_INDEX:   1
IM_URL:          sw00554135000msuni0890.fits
SUN_POSTN:        29.76d {+01h 59m 01s}  +12.14d {+12d 08' 32"}
SUN_DIST:        106.29 [deg]   Sun_angle= 10.3 [hr] (West of Sun)
MOON_POSTN:      160.57d {+10h 42m 16s}   +3.03d {+03d 02' 00"}
MOON_DIST:        79.71 [deg]
MOON_ILLUM:      81 [%]
GAL_COORDS:       91.61, 46.87 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      190.95, 72.54 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        The GRB Position came from the Window Position in the Mode Command.  
COMMENTS:        The image has 2x2 binning (compression).  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 25 Apr 13 19:21:50 UT
NOTICE_TYPE:     Swift-BAT Scaled Map
TRIGGER_NUM:     554135,   Seg_Num: 0
POINT_RA:        198.765d {+13h 15m 04s} (J2000)
POINT_DEC:       +44.375d {+44d 22' 30"} (J2000)
MAP_DATE:        16403 TJD;   111 DOY;   13/04/21
MAP_TIME:        75730.07 SOD {21:02:10.07} UT
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     5.38 [sigma]
IMAGE_SIGNIF:    6.74 [sigma]
MAP_URL:         sw00554135000msbsm.fits
SUN_POSTN:        33.44d {+02h 13m 45s}  +13.43d {+13d 26' 05"}
MOON_POSTN:      212.80d {+14h 11m 13s}  -14.37d {-14d 22' 12"}
MOON_ILLUM:      100 [%]
GAL_COORDS:      109.08, 72.11 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      174.33, 47.15 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-BAT Scaled Map.  
COMMENTS:           
COMMENTS:        The next comments were copied from the BAT_POS Notice:  
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 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 = 107.71,7.42 [deg].