TDRSS scaled map for 1351790

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 24 Sep 25 08:19:41 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1351790,   Seg_Num: 0
GRB_RA:           51.865d {+03h 27m 28s} (J2000),
                  52.608d {+03h 30m 26s} (current),
                  50.439d {+03h 21m 45s} (1950)
GRB_DEC:         +74.652d {+74d 39' 07"} (J2000),
                 +74.740d {+74d 44' 23"} (current),
                 +74.477d {+74d 28' 38"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       28074 [cnts]    Image_Peak=350 [image_cnts]
TRIGGER_DUR:     16.384 [sec] 
TRIGGER_INDEX:   492     E_range: 50-350 keV
BKG_INTEN:       98301 [cnts]
BKG_TIME:        29811.61 SOD {08:16:51.61} UT
BKG_DUR:         64 [sec]
GRB_DATE:        20942 TJD;   267 DOY;   25/09/24
GRB_TIME:        29909.27 SOD {08:18:29.27} UT
GRB_PHI:         -165.17 [deg]
GRB_THETA:        54.75 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.92 [sigma]
IMAGE_SIGNIF:    7.59 [sigma]
MERIT_PARAMS:     +1  +0  +0  +4  +3  -2  +0  +0 +17  +0 
SUN_POSTN:       181.42d {+12h 05m 40s}   -0.61d {-00d 36' 49"}
SUN_DIST:        100.10 [deg]   Sun_angle= 8.6 [hr] (West of Sun)
MOON_POSTN:      206.33d {+13h 45m 19s}  -14.67d {-14d 40' 00"}
MOON_DIST:       118.20 [deg]
MOON_ILLUM:      6 [%]
GAL_COORDS:      132.86, 14.87 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       74.12, 53.32 [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 = 278.86,3.66 [deg].  

GCN BAT Scaled Map Notice


Scaled map image

The green circle (6 arcmin radius) is the BAT position (RA, Dec) = (51.865, +74.652).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 51.865 +74.652 1.0
No source found
 

Results of batcelldetect

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
  7.2036  59.2894    0.0  54.8  167.4   0.0662   0.8    0.0	V709 Cas                      
 19.5113  65.2916    0.0  52.8  177.4   0.0263   0.5    0.0	4U 0114+65                    
 52.8001  43.9046    0.0  24.8 -176.9  -0.0152  -0.9    0.0	GK Per                        
 53.7495  53.1732    0.0  33.6 -170.4  -0.0090  -0.5    0.0	V0332+53                      
 58.8458  31.0497    0.0  11.1 -173.4   0.0133   0.8    0.0	X Per                         
 76.4194 -23.8414    0.0  46.4   -1.3   0.0351   1.2    0.0	XSS J05054-2348               
 83.6332  22.0145    0.0  20.8  -81.2  -0.0115  -0.6    0.0	Crab                          
 88.0474  -7.4562    0.0  38.1  -28.3  -0.0008  -0.0    0.0	NGC 2110                      
 93.9015  71.0375    0.0  54.4 -149.7   0.0839   1.2    0.0	Mkn 3                         
 94.2804   9.1369    0.0  33.6  -57.8  -0.0184  -0.7    0.0	4U 0614+091                   
 31.7572 -14.4963    2.2  45.2   60.3   0.6991   5.4 ------	UNKNOWN                       
 51.9286  74.6729    1.3  54.8 -165.1   0.4912   9.1 ------	UNKNOWN                       
 89.1796  -9.3955    2.8  40.3  -27.5   0.1002   4.1 ------	UNKNOWN                       

Search for the BAT bright source catalog

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 83.6332  22.0145    0.0  20.8  -81.2  -0.0115  -0.6    0.0	Crab                          
 31.7572 -14.4963    2.2  45.2   60.3   0.6991   5.4 ------	UNKNOWN                       
 51.9286  74.6729    1.3  54.8 -165.1   0.4912   9.1 ------	UNKNOWN                       
 89.1797  -9.3956    2.8  40.3  -27.5   0.1001   4.1 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 31.7572 Dec. = -14.4963 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 51.9286 Dec. = +74.6729 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 89.1797 Dec. = -9.3956 (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/trigger1351790/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:
Wed Sep 24 04:32:10 EDT 2025