TDRSS scaled map for 1037828

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Mar 21 07:14:19 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1037828,   Seg_Num: 0
GRB_RA:           87.874d {+05h 51m 30s} (J2000),
                  88.472d {+05h 53m 53s} (current),
                  86.465d {+05h 45m 51s} (1950)
GRB_DEC:         +70.119d {+70d 07' 09"} (J2000),
                 +70.123d {+70d 07' 23"} (current),
                 +70.106d {+70d 06' 20"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4930 [cnts]    Image_Peak=165 [image_cnts]
TRIGGER_DUR:     2.048 [sec] 
TRIGGER_INDEX:   255     E_range: 15-50 keV
BKG_INTEN:       47356 [cnts]
BKG_TIME:        25997.29 SOD {07:13:17.29} UT
BKG_DUR:         24 [sec]
GRB_DATE:        19294 TJD;    80 DOY;   21/03/21
GRB_TIME:        26031.02 SOD {07:13:51.02} UT
GRB_PHI:         -109.54 [deg]
GRB_THETA:        35.04 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.81 [sigma]
IMAGE_SIGNIF:    7.40 [sigma]
MERIT_PARAMS:     +1  +0  +0  +1  +1  -3  +0  +0  -2  +0 
SUN_POSTN:         0.82d {+00h 03m 18s}   +0.36d {+00d 21' 25"}
SUN_DIST:         88.87 [deg]   Sun_angle= -5.8 [hr] (East of Sun)
MOON_POSTN:       87.07d {+05h 48m 17s}  +24.66d {+24d 39' 34"}
MOON_DIST:        45.47 [deg]
MOON_ILLUM:      47 [%]
GAL_COORDS:      143.47, 20.52 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       88.95, 46.69 [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 = 226.61,-20.42 [deg].  

GCN BAT Scaled Map Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 21 Mar 21 07:22:59 UT
NOTICE_TYPE:     Swift-BAT Scaled Map
TRIGGER_NUM:     1037828,   Seg_Num: 0
POINT_RA:        159.730d {+10h 38m 55s} (J2000)
POINT_DEC:       +53.479d {+53d 28' 45"} (J2000)
MAP_DATE:        19294 TJD;    80 DOY;   21/03/21
MAP_TIME:        26031.02 SOD {07:13:51.02} UT
TRIGGER_DUR:     2.048 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     15.81 [sigma]
IMAGE_SIGNIF:    7.40 [sigma]
MAP_URL:         sw01037828000msbsm.fits
SUN_POSTN:         0.83d {+00h 03m 19s}   +0.36d {+00d 21' 33"}
MOON_POSTN:       87.15d {+05h 48m 36s}  +24.67d {+24d 40' 01"}
MOON_ILLUM:      47 [%]
GAL_COORDS:      156.62, 54.09 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      137.65, 40.94 [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:  

Scaled map image

The green circle (6 arcmin radius) is the BAT position (RA, Dec) = (87.874, +70.119).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 87.874 +70.119 1.0
No source found
 

Results of batcelldetect

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 93.9015  71.0375    0.0  32.9 -108.3   0.0070   0.6    0.0	Mkn 3                         
133.6934  39.5386    0.0  22.5  167.0  -0.0015  -0.2    0.0	NGC 2691                      
166.6979  72.5686    0.0  19.3  -69.0   0.0019   0.3    0.0	NGC 3516                      
169.5454  48.0369    0.0   8.2   52.1  -0.0076  -1.2    0.0	XTE J1118+480                 
182.6357  39.4057    0.0  21.0   47.6   0.0039   0.6    0.0	NGC 4151                      
146.7791  13.9346    2.0  40.9  124.2   0.0997   5.9 ------	UNKNOWN                       
166.9247  22.4113    2.5  31.5   92.0   0.0589   4.6 ------	UNKNOWN                       
167.1575  22.9846    2.9  31.0   91.4   0.0525   4.0 ------	UNKNOWN                       
 87.8611  70.1105    1.6  35.0 -109.6   0.1031   7.2 ------	UNKNOWN                       

Search for the BAT bright source catalog

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
146.7791  13.9346    2.0  40.9  124.2   0.0997   5.9 ------	UNKNOWN                       
166.9247  22.4113    2.5  31.5   92.0   0.0589   4.6 ------	UNKNOWN                       
167.1575  22.9846    2.9  31.0   91.4   0.0525   4.0 ------	UNKNOWN                       
 87.8611  70.1105    1.6  35.0 -109.6   0.1031   7.3 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 87.8611 Dec. = +70.1105 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 146.7791 Dec. = +13.9346 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 166.9247 Dec. = +22.4113 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 167.1575 Dec. = +22.9846 (search radius of 3 degrees)
No bright source found.
 

DPI of the combined detector enable/disable map (archived enable/disable map + downloaded data)

DPI of the scaled map

Pixel vs. Counts plot

The data/results are in /local/data/bat1/prebascript/trigger1037828/tdrss_ql/
 
bat_scaledmap.fits : TDRSS FITS scaled map from GCN
source.img         : Sky FITS image of the scaled map (batfftimage)
source.list        : FITS list of the detected sources (batcelldetect)
scaledmap.log      : Ascii output of the analysis log
bat_pos.reg        : region file for ds9
source.gif         : GIF sky image
 
Processed time:
Sun Mar 21 03:24:16 EDT 2021