TDRSS scaled map for 1282245

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 16 Jan 25 21:31:50 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1282245,   Seg_Num: 0
GRB_RA:          339.636d {+22h 38m 33s} (J2000),
                 339.954d {+22h 39m 49s} (current),
                 339.000d {+22h 36m 00s} (1950)
GRB_DEC:          +3.074d {+03d 04' 26"} (J2000),
                  +3.205d {+03d 12' 17"} (current),
                  +2.813d {+02d 48' 48"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       11282 [cnts]    Image_Peak=261 [image_cnts]
TRIGGER_DUR:     1.024 [sec] 
TRIGGER_INDEX:   155     E_range: 50-350 keV
BKG_INTEN:       70664 [cnts]
BKG_TIME:        77477.09 SOD {21:31:17.09} UT
BKG_DUR:         8 [sec]
GRB_DATE:        20691 TJD;    16 DOY;   25/01/16
GRB_TIME:        77494.75 SOD {21:31:34.75} UT
GRB_PHI:         -29.00 [deg]
GRB_THETA:        38.35 [deg]
SOLN_STATUS:     0x83
RATE_SIGNIF:     22.02 [sigma]
IMAGE_SIGNIF:    6.70 [sigma]
MERIT_PARAMS:     +1  +0  +0  +0  +3  -4  +0  +0 -69  +0 
SUN_POSTN:       299.06d {+19h 56m 14s}  -20.75d {-20d 45' 05"}
SUN_DIST:         46.69 [deg]   Sun_angle= -2.7 [hr] (East of Sun)
MOON_POSTN:      155.27d {+10h 21m 04s}  +12.65d {+12d 39' 04"}
MOON_DIST:       163.48 [deg]
MOON_ILLUM:      91 [%]
GAL_COORDS:       71.01,-45.97 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      342.37, 10.80 [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:        Since the IMAGE_SIGNIF is less than 7 sigma, this is a questionable detection.  
COMMENTS:        This trigger occurred at longitude,latitude = 279.91,-20.40 [deg].  

GCN BAT Scaled Map Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Thu 16 Jan 25 21:45:35 UT
NOTICE_TYPE:     Swift-BAT Scaled Map
TRIGGER_NUM:     1282245,   Seg_Num: 0
POINT_RA:        359.971d {+23h 59m 53s} (J2000)
POINT_DEC:       -30.000d {-30d 00' 00"} (J2000)
MAP_DATE:        20691 TJD;    16 DOY;   25/01/16
MAP_TIME:        77494.75 SOD {21:31:34.75} UT
TRIGGER_DUR:     1.024 [sec] 
SOLN_STATUS:     0x83
RATE_SIGNIF:     22.02 [sigma]
IMAGE_SIGNIF:    6.70 [sigma]
MAP_URL:         sw01282245000msbsm.fits
SUN_POSTN:       299.07d {+19h 56m 17s}  -20.75d {-20d 44' 58"}
MOON_POSTN:      155.38d {+10h 21m 31s}  +12.60d {+12d 35' 56"}
MOON_ILLUM:      91 [%]
GAL_COORDS:       15.66,-78.33 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      347.04,-27.29 [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) = (339.636, +3.074).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 339.636 +3.074 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  44.6  177.3   0.0287   1.7    0.0	SMC X-1                       
343.4906  16.1482    0.0  48.8  -16.2   0.0198   0.9    0.0	3C 454.3                      
339.6502   3.0886    1.6  38.4  -29.0   0.1026   7.3 ------	UNKNOWN                       

Search for the BAT bright source catalog

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
339.6502   3.0886    1.6  38.4  -29.0   0.1026   7.3 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 339.6502 Dec. = +3.0886 (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/trigger1282245/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:
Thu Jan 16 16:47:10 EST 2025