TDRSS scaled map for 1339848

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Tue 05 Aug 25 06:09:29 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1339848,   Seg_Num: 0
GRB_RA:           24.153d {+01h 36m 37s} (J2000),
                  24.099d {+01h 36m 24s} (current),
                  24.280d {+01h 37m 07s} (1950)
GRB_DEC:         -81.406d {-81d 24' 22"} (J2000),
                 -81.276d {-81d 16' 34"} (current),
                 -81.660d {-81d 39' 37"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       2869 [cnts]    Image_Peak=185 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   146     E_range: 25-100 keV
BKG_INTEN:       16074 [cnts]
BKG_TIME:        22131.90 SOD {06:08:51.90} UT
BKG_DUR:         8 [sec]
GRB_DATE:        20892 TJD;   217 DOY;   25/08/05
GRB_TIME:        22148.86 SOD {06:09:08.86} UT
GRB_PHI:           2.98 [deg]
GRB_THETA:        35.21 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     16.82 [sigma]
IMAGE_SIGNIF:    8.91 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  -1  +0  +0 +33  +0 
SUN_POSTN:       135.56d {+09h 02m 14s}  +16.88d {+16d 53' 02"}
SUN_DIST:        109.89 [deg]   Sun_angle= 7.4 [hr] (West of Sun)
MOON_POSTN:      263.57d {+17h 34m 17s}  -28.48d {-28d 28' 36"}
MOON_DIST:        66.20 [deg]
MOON_ILLUM:      83 [%]
GAL_COORDS:      300.87,-35.54 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      292.01,-68.67 [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 = 4.84,1.04 [deg].  

GCN BAT Scaled Map Notice


Scaled map image

The green circle (6 arcmin radius) is the BAT position (RA, Dec) = (24.153, -81.406).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 24.153 -81.406 1.0
No source found
 

Results of batcelldetect

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 19.2729 -73.4422    0.0  28.5   11.4   0.0123   2.1    0.0	SMC X-1                       
 76.4194 -23.8414    0.0  36.4 -117.6   0.0043   0.4    0.0	XSS J05054-2348               
 83.1921 -66.3675    0.0  29.6  -34.4  -0.0014  -0.2    0.0	LMC X-4                       
  5.3184 -10.4528    2.2  47.1  127.3   0.1813   5.3 ------	UNKNOWN                       
 15.8589  -2.9530    2.0  48.8  144.6   0.1012   5.9 ------	UNKNOWN                       
 36.3452  11.5810    2.4  58.4  173.5   0.2203   4.7 ------	UNKNOWN                       
 24.2055 -81.3970    1.2  35.2    3.0   0.0617   9.9 ------	UNKNOWN                       
 87.5387 -45.5114    2.4  31.9  -75.9   0.0392   4.9 ------	UNKNOWN                       
159.6046 -66.6536    2.4  57.6  -25.6   0.1263   4.9 ------	UNKNOWN                       
102.2157 -51.9964    2.5  39.1  -60.1   0.0527   4.7 ------	UNKNOWN                       

Search for the BAT bright source catalog

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
  5.3184 -10.4528    2.2  47.1  127.3   0.1813   5.3 ------	UNKNOWN                       
 15.8589  -2.9530    2.0  48.8  144.6   0.1012   5.9 ------	UNKNOWN                       
 36.3452  11.5810    2.4  58.4  173.5   0.2203   4.7 ------	UNKNOWN                       
 24.2055 -81.3970    1.2  35.2    3.0   0.0617   9.9 ------	UNKNOWN                       
 87.5387 -45.5114    2.4  31.9  -75.9   0.0392   4.9 ------	UNKNOWN                       
159.6046 -66.6536    2.4  57.6  -25.6   0.1263   4.9 ------	UNKNOWN                       
102.2157 -51.9964    2.5  39.1  -60.1   0.0527   4.7 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 5.3184 Dec. = -10.4528 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 15.8589 Dec. = -2.9530 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 24.2055 Dec. = -81.3970 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 36.3452 Dec. = +11.5810 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 87.5387 Dec. = -45.5114 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 102.2157 Dec. = -51.9964 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 159.6046 Dec. = -66.6536 (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/trigger1339848/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:
Tue Aug  5 02:19:10 EDT 2025