//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:27:55 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.908d {+06h 59m 38s} (J2000),
                 105.191d {+07h 00m 46s} (current),
                 104.244d {+06h 56m 59s} (1950)
GRB_DEC:          +4.934d {+04d 56' 03"} (J2000),
                  +4.903d {+04d 54' 12"} (current),
                  +5.004d {+05d 00' 15"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       6363 [cnts]    Image_Peak=280 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   253     E_range: 15-50 keV
BKG_INTEN:       60653 [cnts]
BKG_TIME:        1613.11 SOD {00:26:53.11} UT
BKG_DUR:         24 [sec]
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1650.30 SOD {00:27:30.30} UT
GRB_PHI:          24.95 [deg]
GRB_THETA:        34.19 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +1  +0  +0  +1 -25  +0 
SUN_POSTN:        29.00d {+01h 56m 00s}  +11.87d {+11d 52' 07"}
SUN_DIST:         75.50 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.34d {+08h 53m 23s}  +22.15d {+22d 08' 53"}
MOON_DIST:        32.23 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.47,  4.07 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.61,-17.70 [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 = 211.05,12.46 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:28:14 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.908d {+06h 59m 38s} (J2000),
                 105.191d {+07h 00m 46s} (current),
                 104.244d {+06h 56m 59s} (1950)
GRB_DEC:          +4.934d {+04d 56' 03"} (J2000),
                  +4.903d {+04d 54' 12"} (current),
                  +5.004d {+05d 00' 15"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1650.30 SOD {00:27:30.30} UT
TRIGGER_INDEX:   253
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        29.00d {+01h 56m 00s}  +11.87d {+11d 52' 07"}
SUN_DIST:         75.50 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.35d {+08h 53m 23s}  +22.15d {+22d 08' 50"}
MOON_DIST:        32.24 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.47,  4.07 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.61,-17.70 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:           
COMMENTS:        WARNING: No BAT_Position TDRSS message was received for this trigger_number!  
COMMENTS:           
COMMENTS:        Because no BAT_Position Notice was received, this FOM Notice was forced out after watchdog expiration.  
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:        This trigger occurred at longitude,latitude = 211.05,12.46 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:28:08 UT
NOTICE_TYPE:     Swift-S/C Will_Slew
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.908d {+06h 59m 38s} (J2000),
                 105.191d {+07h 00m 46s} (current),
                 104.244d {+06h 56m 59s} (1950)
GRB_DEC:          +4.934d {+04d 56' 03"} (J2000),
                  +4.903d {+04d 54' 12"} (current),
                  +5.004d {+05d 00' 15"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1650.30 SOD {00:27:30.30} UT
TRIGGER_INDEX:   253
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
SLEW_QUERY:      0x0
WAIT_TIME:       0.00 [sec]   (=0.0 [min])   
OBS_TIME:        1863.00 [sec]   (=31.1 [min])
INST_MODES:      BAT: 0=0x0   XRT: 0=0x0   UVOT: 32768=0x8000
MERIT:           100.00
SUN_POSTN:        29.00d {+01h 56m 00s}  +11.87d {+11d 52' 07"}
SUN_DIST:         75.50 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.35d {+08h 53m 23s}  +22.15d {+22d 08' 51"}
MOON_DIST:        32.24 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.47,  4.07 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.61,-17.70 [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:        This trigger occurred at longitude,latitude = 211.05,12.46 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:29:19 UT
NOTICE_TYPE:     Swift-XRT Position
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.8744d {+06h 59m 29.85s} (J2000),
                 105.1572d {+07h 00m 37.72s} (current),
                 104.2105d {+06h 56m 50.52s} (1950)
GRB_DEC:          +4.9202d {+04d 55' 12.7"} (J2000),
                  +4.8895d {+04d 53' 22.1"} (current),
                  +4.9901d {+04d 59' 24.3"} (1950)
GRB_ERROR:       6.1 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.51e-08 [erg/cm2/sec]
GRB_SIGNIF:      5.29 [sigma]
IMG_START_DATE:  19325 TJD;   111 DOY;   21/04/21
IMG_START_TIME:  1738.11 SOD {00:28:58.11} UT,   87.8 [sec] since BAT Trigger Time
TAM[0-3]:        327.61 237.19 261.64 243.62
AMPLIFIER:       2
WAVEFORM:        134
SUN_POSTN:        29.00d {+01h 56m 00s}  +11.87d {+11d 52' 08"}
SUN_DIST:         75.47 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.36d {+08h 53m 26s}  +22.15d {+22d 08' 42"}
MOON_DIST:        32.28 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst
ECL_COORDS:      105.57,-17.72 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        The XRT position is 2.19 arcmin from the BAT position.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:29:29 UT
NOTICE_TYPE:     Swift-XRT Image
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.8744d {+06h 59m 29.8s} (J2000),
                 105.1572d {+07h 00m 37.7s} (current),
                 104.2105d {+06h 56m 50.5s} (1950)
GRB_DEC:          +4.9202d {+04d 55' 12.7"} (J2000),
                  +4.8895d {+04d 53' 22.1"} (current),
                  +4.9901d {+04d 59' 24.3"} (1950)
GRB_ERROR:       6.1 [arcsec, radius, statistical plus systematic]
GRB_INTEN:       28 [cnts]
IMG_START_DATE:  19325 TJD;   111 DOY;   21/04/21
IMG_START_TIME:  1738.11 SOD {00:28:58.11} UT,   87.8 [sec] since BAT Trigger Time
CENTROID_X:      292.17,  raw= 292  [pixels]
CENTROID_Y:      309.25,  raw= 309  [pixels]
ROLL:            280.99 [deg]
GAIN:            1
MODE:            2, Short Image mode
WAVEFORM:        134
EXPO_TIME:       0.10 [sec]
GRB_POS_XRT_Y:   26.30
GRB_POS_XRT_Z:   -35.88
IMAGE_URL:       sw01044426000msxps_rw.img
SUN_POSTN:        29.00d {+01h 56m 00s}  +11.87d {+11d 52' 08"}
SUN_DIST:         75.47 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.36d {+08h 53m 26s}  +22.14d {+22d 08' 41"}
MOON_DIST:        32.28 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst
ECL_COORDS:      105.57,-17.72 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Image.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:29:35 UT
NOTICE_TYPE:     Swift-XRT Spectrum
TRIGGER_NUM:     1044426,   Seg_Num: 0
SPEC_START_DATE: 19325 TJD;   111 DOY;   21/04/21
SPEC_START_TIME: 1741.11 SOD {00:29:01.11} UT,   90.8 [sec] since BAT Trigger Time
SPEC_STOP_DATE:  19325 TJD;   111 DOY;   21/04/21
SPEC_STOP_TIME:  1741.78 SOD {00:29:01.78} UT
LIVETIME:          1.37 [sec]
POINT_RA:        104.89d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.93d {+04d 55' 40"} (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:        sw01044426000msxlr.pha
SUN_POSTN:        29.00d {+01h 56m 00s}  +11.87d {+11d 52' 08"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.36d {+08h 53m 26s}  +22.14d {+22d 08' 40"}
MOON_DIST:        32.27 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.05 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [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:     Wed 21 Apr 21 00:30:54 UT
NOTICE_TYPE:     Swift-XRT Lightcurve
TRIGGER_NUM:     1044426,   Seg_Num: 0
POINT_RA:        104.886d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.925d {+04d 55' 31"} (J2000)
LC_START_DATE:   19325 TJD;   111 DOY;   21/04/21
LC_START_TIME:   1740.92 SOD {00:29:00.92} UT,   90.6 [sec] since BAT Trigger Time
LC_STOP_DATE:    19325 TJD;   111 DOY;   21/04/21
LC_STOP_TIME:    1846.54 SOD {00:30:46.54} UT
LC_LIVE_TIME:    107.35 [sec], 101.6%
DELTA_TIME:      86294.38 [sec]
N_BINS:          100
TERM_COND:       0
LC_URL:          sw01044426000msx.lc
SUN_POSTN:        29.00d {+01h 56m 01s}  +11.87d {+11d 52' 09"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.37d {+08h 53m 29s}  +22.14d {+22d 08' 31"}
MOON_DIST:        32.28 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.04 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-XRT Lightcurve.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:31:10 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.908d {+06h 59m 38s} (J2000),
                 105.191d {+07h 00m 46s} (current),
                 104.244d {+06h 56m 59s} (1950)
GRB_DEC:          +4.934d {+04d 56' 03"} (J2000),
                  +4.903d {+04d 54' 12"} (current),
                  +5.004d {+05d 00' 15"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1650.30 SOD {00:27:30.30} UT
TRIGGER_INDEX:   253
GRB_PHI:          24.95 [deg]
GRB_THETA:        34.19 [deg]
DELTA_TIME:      -38.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
LC_URL:          sw01044426000msb.lc
SUN_POSTN:        29.00d {+01h 56m 01s}  +11.87d {+11d 52' 10"}
SUN_DIST:         75.50 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.37d {+08h 53m 30s}  +22.14d {+22d 08' 29"}
MOON_DIST:        32.26 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.47,  4.07 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.61,-17.70 [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:        This trigger occurred at longitude,latitude = 211.05,12.46 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:31:18 UT
NOTICE_TYPE:     Swift-BAT GRB Lightcurve
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.908d {+06h 59m 38s} (J2000),
                 105.191d {+07h 00m 46s} (current),
                 104.244d {+06h 56m 59s} (1950)
GRB_DEC:          +4.934d {+04d 56' 03"} (J2000),
                  +4.903d {+04d 54' 12"} (current),
                  +5.004d {+05d 00' 15"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1650.30 SOD {00:27:30.30} UT
TRIGGER_INDEX:   253
GRB_PHI:          24.95 [deg]
GRB_THETA:        34.19 [deg]
DELTA_TIME:      -38.00 [sec]
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     11.44 [sigma]
IMAGE_SIGNIF:    10.17 [sigma]
LC_URL:          sw01044426000msb.lc
SUN_POSTN:        29.00d {+01h 56m 01s}  +11.87d {+11d 52' 10"}
SUN_DIST:         75.50 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.38d {+08h 53m 30s}  +22.14d {+22d 08' 28"}
MOON_DIST:        32.26 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.47,  4.07 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.61,-17.70 [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:        This trigger occurred at longitude,latitude = 211.05,12.46 [deg].  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:31:35 UT
NOTICE_TYPE:     Swift-XRT Spectrum
TRIGGER_NUM:     1044426,   Seg_Num: 0
SPEC_START_DATE: 19325 TJD;   111 DOY;   21/04/21
SPEC_START_TIME: 1741.11 SOD {00:29:01.11} UT,   90.8 [sec] since BAT Trigger Time
SPEC_STOP_DATE:  19325 TJD;   111 DOY;   21/04/21
SPEC_STOP_TIME:  1872.16 SOD {00:31:12.16} UT
LIVETIME:        130.23 [sec]
POINT_RA:        104.89d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.93d {+04d 55' 32"} (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:        sw01044426000msxwt.pha
SUN_POSTN:        29.00d {+01h 56m 01s}  +11.87d {+11d 52' 10"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.38d {+08h 53m 31s}  +22.14d {+22d 08' 25"}
MOON_DIST:        32.28 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.04 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [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:     Wed 21 Apr 21 00:32:20 UT
NOTICE_TYPE:     Swift-UVOT Source List
TRIGGER_NUM:     1044426,   Seg_Num: 0
POINT_RA:        104.886d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.928d {+04d 55' 40"} (J2000)
POINT_ROLL:      280.987d
IMG_START_DATE:  19325 TJD;   111 DOY;   21/04/21
IMG_START_TIME:  1746.71 SOD {00:29:06.71} UT,   96.4 [sec] since BAT Trigger Time
FILTER:          10, White
BKG_MEAN:        3.695
N_STARS:         190
X_OFFSET:        392 [pixels]
Y_OFFSET:        704 [pixels]
X_MAX:           1351 [pixels]
Y_MAX:           1663 [pixels]
DET_THRESH:      16
PHOTO_THRESH:    9
SL_URL:          sw01044426000msufc0096.fits
SUN_POSTN:        29.00d {+01h 56m 01s}  +11.87d {+11d 52' 11"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.39d {+08h 53m 33s}  +22.14d {+22d 08' 20"}
MOON_DIST:        32.29 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.04 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Source List.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:33:58 UT
NOTICE_TYPE:     Swift-XRT Single-Pixel-Event-Report
TRIGGER_NUM:     1044426,   Seg_Num: 0
POINT_RA:        104.886d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.926d {+04d 55' 32"} (J2000)
SPER_START_DATE: 19325 TJD;   111 DOY;   21/04/21
SPER_START_TIME: 1873.70 SOD {00:31:13.70} UT,   223.4 [sec] since BAT Trigger Time
SPER_STOP_DATE:  19325 TJD;   111 DOY;   21/04/21
SPER_STOP_TIME:  1918.83 SOD {00:31:58.83} UT,   Stop-Start= 45.13 [sec]
TOT_EXPO_TIME:   42.62 [sec]
N_PKTS:          17
N_EVTS:          62
SPER_URL:        sw01044426000msxpc_uf.evt
SUN_POSTN:        29.00d {+01h 56m 01s}  +11.87d {+11d 52' 12"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.40d {+08h 53m 36s}  +22.14d {+22d 08' 08"}
MOON_DIST:        32.30 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.04 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [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:     Wed 21 Apr 21 00:35:11 UT
NOTICE_TYPE:     Swift-UVOT Image
TRIGGER_NUM:     1044426,   Seg_Num: 0
POINT_RA:        104.886d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.928d {+04d 55' 40"} (J2000)
ROLL:            280.987d
IMG_START_DATE:  19325 TJD;   111 DOY;   21/04/21
IMG_START_TIME:  1746.71 SOD {00:29:06.71} UT,   96.4 [sec] since BAT Trigger Time
FILTER:          10, White
EXPOSURE_ID:     640657773
X_OFFSET:        833 [pixels]
Y_OFFSET:        794 [pixels]
WIDTH:           160 [pixels]
HEIGHT:          160 [pixels]
X_GRB_POS:       993
Y_GRB_POS:       954
BINNING_INDEX:   1
IM_URL:          sw01044426000msuni0123.fits
SUN_POSTN:        29.01d {+01h 56m 01s}  +11.87d {+11d 52' 13"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.41d {+08h 53m 39s}  +22.13d {+22d 07' 59"}
MOON_DIST:        32.31 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.04 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-UVOT Image.  
COMMENTS:        The GRB Position came from the XRT Position Command.  
COMMENTS:        The image has 2x2 binning (compression).  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:37:34 UT
NOTICE_TYPE:     Swift-XRT Single-Pixel-Event-Report
TRIGGER_NUM:     1044426,   Seg_Num: 0
POINT_RA:        104.885d {+06h 59m 33s} (J2000)
POINT_DEC:        +4.925d {+04d 55' 31"} (J2000)
SPER_START_DATE: 19325 TJD;   111 DOY;   21/04/21
SPER_START_TIME: 1916.33 SOD {00:31:56.33} UT,   266.0 [sec] since BAT Trigger Time
SPER_STOP_DATE:  19325 TJD;   111 DOY;   21/04/21
SPER_STOP_TIME:  2061.75 SOD {00:34:21.75} UT,   Stop-Start= 145.42 [sec]
TOT_EXPO_TIME:   178.02 [sec]
N_PKTS:          54
N_EVTS:          124
SPER_URL:        sw01044426000msxpc_uf.evt
SUN_POSTN:        29.01d {+01h 56m 02s}  +11.87d {+11d 52' 15"}
SUN_DIST:         75.48 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.43d {+08h 53m 44s}  +22.13d {+22d 07' 41"}
MOON_DIST:        32.32 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.04 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      105.59,-17.71 [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:     Wed 21 Apr 21 00:39:52 UT
NOTICE_TYPE:     Swift-UVOT Nack-Position
TRIGGER_NUM:     1044426,   Seg_Num: 0
REGION_RA:       104.8757d {+06h 59m 30.16s} (J2000),
                 105.1585d {+07h 00m 38.03s} (current),
                 104.2118d {+06h 56m 50.83s} (1950)
REGION_DEC:       +4.9216d {+04d 55' 17.7"} (J2000),
                  +4.8909d {+04d 53' 27.1"} (current),
                  +4.9915d {+04d 59' 29.4"} (1950)
REGION_ERROR:    3.6 [arcsec search radius]
REGION_SOURCE:   XRT location
MAG_LIMIT:       19.60 [mag]   3.00 [sigma]
FILTER:          10, White
IMG_START_DATE:  19325 TJD;   111 DOY;   21/04/21
IMG_START_TIME:  1743.00 SOD {00:29:03.00} UT,   92.7 [sec] since BAT Trigger Time
SUN_POSTN:        29.01d {+01h 56m 02s}  +11.87d {+11d 52' 17"}
SUN_DIST:         75.47 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.46d {+08h 53m 50s}  +22.12d {+22d 07' 24"}
MOON_DIST:        32.35 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-UVOT Nack Position.  
COMMENTS:        A point_source was not found.  
COMMENTS:        Result based on Genie data.  
COMMENTS:        Notice generated automatically.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 00:48:07 UT
NOTICE_TYPE:     Swift-XRT Position UPDATE
TRIGGER_NUM:     1044426,   Seg_Num: 0
GRB_RA:          104.8756d {+06h 59m 30.14s} (J2000),
                 105.1584d {+07h 00m 38.01s} (current),
                 104.2117d {+06h 56m 50.81s} (1950)
GRB_DEC:          +4.9216d {+04d 55' 17.7"} (J2000),
                  +4.8909d {+04d 53' 27.1"} (current),
                  +4.9915d {+04d 59' 29.4"} (1950)
GRB_ERROR:       3.7 [arcsec radius, statistical plus systematic, 90% containment]
GRB_INTEN:       1.00e-10 [erg/cm2/sec]
GRB_SIGNIF:      10.00 [sigma]
IMG_START_DATE:  19325 TJD;   111 DOY;   21/04/21
IMG_START_TIME:  1873.00 SOD {00:31:13.00} UT,   222.7 [sec] since BAT Trigger Time
TAM[0-3]:        100.00 100.00 100.00 100.00
AMPLIFIER:       1
WAVEFORM:        31
SUN_POSTN:        29.01d {+01h 56m 03s}  +11.87d {+11d 52' 24"}
SUN_DIST:         75.46 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      133.53d {+08h 54m 08s}  +22.11d {+22d 06' 22"}
MOON_DIST:        32.40 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst
COMMENTS:        SWIFT-XRT Coordinates.  
COMMENTS:        This Notice was ground-generated -- not flight-generated.  
COMMENTS:        This is an Update Notice -- the RA,Dec values herein supersede the previous XRT_POS Notice.  
COMMENTS:        TAM values, flux and significance fields are not valid.  
COMMENTS:        This position was automatically generated on the ground using  
COMMENTS:        Photon Counting data telemetered via TDRSS (SPER data).  
COMMENTS:        See http://www.swift.ac.uk/sper/docs.php for details.  
COMMENTS:        The probability that this is a serendipitous source in the  
COMMENTS:        SPER window is 0.11% < P(seren) < 0.58%.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 01:50:42 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1044426,   Seg_Num: 1
GRB_RA:          104.876d {+06h 59m 30s} (J2000),
                 105.159d {+07h 00m 38s} (current),
                 104.212d {+06h 56m 51s} (1950)
GRB_DEC:          +4.921d {+04d 55' 16"} (J2000),
                  +4.890d {+04d 53' 25"} (current),
                  +4.991d {+04d 59' 27"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1688.11 SOD {00:28:08.11} UT
TRIGGER_INDEX:   0
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        29.05d {+01h 56m 13s}  +11.89d {+11d 53' 17"}
SUN_DIST:         75.42 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      134.13d {+08h 56m 30s}  +21.98d {+21d 58' 30"}
MOON_DIST:        32.83 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        As a result of this TOO, the TRIG_INDEX, and RATE/IMAGE_SIGNIF fields are not valid!  
COMMENTS:        And sometimes the GRB_DATE/TIME fields are not valid!  
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 TOO or ground catalogs.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 01:50:39 UT
NOTICE_TYPE:     Swift-S/C Will_Slew
TRIGGER_NUM:     1044426,   Seg_Num: 1
GRB_RA:          104.876d {+06h 59m 30s} (J2000),
                 105.159d {+07h 00m 38s} (current),
                 104.212d {+06h 56m 51s} (1950)
GRB_DEC:          +4.921d {+04d 55' 16"} (J2000),
                  +4.890d {+04d 53' 25"} (current),
                  +4.991d {+04d 59' 27"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1688.11 SOD {00:28:08.11} UT
TRIGGER_INDEX:   0
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
SLEW_QUERY:      0x0
WAIT_TIME:       0.00 [sec]   (=0.0 [min])   
OBS_TIME:        2565.00 [sec]   (=42.8 [min])
INST_MODES:      BAT: 0=0x0   XRT: 7=0x7   UVOT: 32768=0x8000
MERIT:           100.00
SUN_POSTN:        29.05d {+01h 56m 13s}  +11.89d {+11d 53' 17"}
SUN_DIST:         75.42 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      134.13d {+08h 56m 30s}  +21.98d {+21d 58' 31"}
MOON_DIST:        32.83 [deg]
MOON_ILLUM:      58 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT SC Slew decision.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        As a result of this TOO, the TRIG_INDEX, and RATE_SIGNIF fields are not valid!  
COMMENTS:        And sometimes the GRB_DATE/TIME fields are not valid!  
COMMENTS:        SC will immediately slew to this target.  
COMMENTS:        This does not match any source in the TOO or ground catalogs.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 06:37:43 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1044426,   Seg_Num: 1
GRB_RA:          104.876d {+06h 59m 30s} (J2000),
                 105.159d {+07h 00m 38s} (current),
                 104.212d {+06h 56m 51s} (1950)
GRB_DEC:          +4.921d {+04d 55' 16"} (J2000),
                  +4.890d {+04d 53' 25"} (current),
                  +4.991d {+04d 59' 27"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1688.11 SOD {00:28:08.11} UT
TRIGGER_INDEX:   0
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        29.24d {+01h 56m 58s}  +11.96d {+11d 57' 20"}
SUN_DIST:         75.24 [deg]   Sun_angle= -5.1 [hr] (East of Sun)
MOON_POSTN:      136.83d {+09h 07m 20s}  +21.34d {+21d 20' 39"}
MOON_DIST:        34.83 [deg]
MOON_ILLUM:      60 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        As a result of this TOO, the TRIG_INDEX, and RATE/IMAGE_SIGNIF fields are not valid!  
COMMENTS:        And sometimes the GRB_DATE/TIME fields are not valid!  
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 TOO or ground catalogs.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 20:57:41 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1044426,   Seg_Num: 2
GRB_RA:          104.876d {+06h 59m 30s} (J2000),
                 105.159d {+07h 00m 38s} (current),
                 104.212d {+06h 56m 51s} (1950)
GRB_DEC:          +4.921d {+04d 55' 16"} (J2000),
                  +4.890d {+04d 53' 25"} (current),
                  +4.991d {+04d 59' 27"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1689.60 SOD {00:28:09.60} UT
TRIGGER_INDEX:   0
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        29.80d {+01h 59m 12s}  +12.16d {+12d 09' 26"}
SUN_DIST:         74.68 [deg]   Sun_angle= -5.0 [hr] (East of Sun)
MOON_POSTN:      144.91d {+09h 39m 39s}  +19.17d {+19d 10' 08"}
MOON_DIST:        41.28 [deg]
MOON_ILLUM:      66 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        As a result of this TOO, the TRIG_INDEX, and RATE/IMAGE_SIGNIF fields are not valid!  
COMMENTS:        And sometimes the GRB_DATE/TIME fields are not valid!  
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 TOO or ground catalogs.  
 
 
//////////////////////////////////////////////////////////////////////
TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Apr 21 22:32:42 UT
NOTICE_TYPE:     Swift-FOM Will_Observe
TRIGGER_NUM:     1044426,   Seg_Num: 2
GRB_RA:          104.876d {+06h 59m 30s} (J2000),
                 105.159d {+07h 00m 38s} (current),
                 104.212d {+06h 56m 51s} (1950)
GRB_DEC:          +4.921d {+04d 55' 16"} (J2000),
                  +4.890d {+04d 53' 25"} (current),
                  +4.991d {+04d 59' 27"} (1950)
GRB_DATE:        19325 TJD;   111 DOY;   21/04/21
GRB_TIME:        1689.60 SOD {00:28:09.60} UT
TRIGGER_INDEX:   0
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    0.00 [sigma]
FLAGS:           0x3
MERIT:           100.00
SUN_POSTN:        29.86d {+01h 59m 27s}  +12.18d {+12d 10' 46"}
SUN_DIST:         74.62 [deg]   Sun_angle= -5.0 [hr] (East of Sun)
MOON_POSTN:      145.80d {+09h 43m 12s}  +18.90d {+18d 54' 12"}
MOON_DIST:        42.02 [deg]
MOON_ILLUM:      67 [%]
GAL_COORDS:      209.46,  4.03 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      105.58,-17.72 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT Figure-of-Merit decision.  
COMMENTS:        This Notice is generated as a result of an uploaded TOO on an old GRB -- this is not a newly detected burst.  
COMMENTS:        As a result of this TOO, the TRIG_INDEX, and RATE/IMAGE_SIGNIF fields are not valid!  
COMMENTS:        And sometimes the GRB_DATE/TIME fields are not valid!  
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 TOO or ground catalogs.