TDRSS scaled map for 1351008

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 20 Sep 25 08:46:49 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1351008,   Seg_Num: 0
GRB_RA:          187.337d {+12h 29m 21s} (J2000),
                 187.646d {+12h 30m 35s} (current),
                 186.734d {+12h 26m 56s} (1950)
GRB_DEC:         +47.844d {+47d 50' 39"} (J2000),
                 +47.702d {+47d 42' 08"} (current),
                 +48.120d {+48d 07' 13"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       4653 [cnts]    Image_Peak=547 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   148     E_range: 25-100 keV
BKG_INTEN:       14781 [cnts]
BKG_TIME:        31571.63 SOD {08:46:11.63} UT
BKG_DUR:         8 [sec]
GRB_DATE:        20938 TJD;   263 DOY;   25/09/20
GRB_TIME:        31590.58 SOD {08:46:30.58} UT
GRB_PHI:         -72.75 [deg]
GRB_THETA:        26.34 [deg]
SOLN_STATUS:     0x20000003
RATE_SIGNIF:     62.35 [sigma]
IMAGE_SIGNIF:    17.87 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +2  +5  +0  +0 -67  +0 
SUN_POSTN:       177.84d {+11h 51m 22s}   +0.93d {+00d 56' 04"}
SUN_DIST:         47.54 [deg]   Sun_angle= -0.7 [hr] (East of Sun)
MOON_POSTN:      162.47d {+10h 49m 52s}   +8.13d {+08d 07' 39"}
MOON_DIST:        44.97 [deg]
MOON_ILLUM:      2 [%]
GAL_COORDS:      133.24, 68.84 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      162.00, 45.58 [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 = 101.23,5.35 [deg].  
COMMENTS:           
COMMENTS:        NOTE: This BAT event is temporally(4.0<100sec) coincident with the FERMI_GBM event (trignum=780050791).  

GCN BAT Scaled Map Notice


Scaled map image

The green circle (6 arcmin radius) is the BAT position (RA, Dec) = (187.337, +47.844).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 187.337 +47.844 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  41.3   14.4   0.0028   0.3    0.0	Mkn 3                         
133.6934  39.5386    0.0  56.2  -32.2   0.0064   0.1    0.0	NGC 2691                      
166.6979  72.5686    0.0  22.6   -6.3   0.0101   1.6    0.0	NGC 3516                      
169.5454  48.0369    0.0  33.9  -54.3  -0.0188  -1.6    0.0	XTE J1118+480                 
182.6357  39.4057    0.0  35.2  -76.8   0.0064   0.4    0.0	NGC 4151                      
254.4576  35.3425    0.0  33.2  170.9   0.0132   1.7    0.0	Her X-1                       
278.7590  32.6973    0.0  44.7  144.0  -0.0082  -0.5    0.0	3C 382                        
283.5981  69.5374    3.2  22.6   86.0   0.0247   3.6 ------	UNKNOWN                       
249.7597  31.8954    2.3  35.1  179.6   0.0392   5.0 ------	UNKNOWN                       
238.8409  36.9610    2.3  27.9 -166.2   0.0333   4.9 ------	UNKNOWN                       
187.3077  47.8451    0.6  26.4  -72.7   0.1983  19.5 ------	UNKNOWN                       

Search for the BAT bright source catalog

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
254.4576  35.3425    0.0  33.2  170.9   0.0132   1.7    0.0	Her X-1                       
283.5981  69.5374    3.2  22.6   86.0   0.0247   3.6 ------	UNKNOWN                       
249.7597  31.8954    2.3  35.1  179.6   0.0392   5.0 ------	UNKNOWN                       
238.8409  36.9610    2.3  27.9 -166.2   0.0333   4.9 ------	UNKNOWN                       
187.3077  47.8451    0.6  26.4  -72.7   0.1983  19.5 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 187.3077 Dec. = +47.8451 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 238.8409 Dec. = +36.9610 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 249.7597 Dec. = +31.8954 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 283.5980 Dec. = +69.5374 (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/trigger1351008/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:
Sat Sep 20 04:58:09 EDT 2025