TDRSS scaled map for 1216751

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Feb 24 23:06:49 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     1216751,   Seg_Num: 0
GRB_RA:           84.652d {+05h 38m 36s} (J2000),
                  85.016d {+05h 40m 04s} (current),
                  83.898d {+05h 35m 36s} (1950)
GRB_DEC:         +22.174d {+22d 10' 26"} (J2000),
                 +22.186d {+22d 11' 10"} (current),
                 +22.146d {+22d 08' 46"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       0 [cnts]    Image_Peak=3700 [image_cnts]
TRIGGER_DUR:     64.000 [sec] 
TRIGGER_INDEX:   20000     E_range: 15-50 keV
BKG_INTEN:       0 [cnts]
BKG_TIME:        0.00 SOD {00:00:00.00} UT
BKG_DUR:         0 [sec]
GRB_DATE:        20361 TJD;    52 DOY;   24/02/21
GRB_TIME:        83119.04 SOD {23:05:19.04} UT
GRB_PHI:          40.10 [deg]
GRB_THETA:        23.26 [deg]
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    16.98 [sigma]
MERIT_PARAMS:     +1  +0  +0  +6  +1  +5  +0  +1 +37  +0 
SUN_POSTN:       334.77d {+22h 19m 04s}  -10.47d {-10d 28' 09"}
SUN_DIST:        112.57 [deg]   Sun_angle= -7.3 [hr] (East of Sun)
MOON_POSTN:      128.24d {+08h 32m 59s}  +23.83d {+23d 49' 60"}
MOON_DIST:        39.67 [deg]
MOON_ILLUM:      94 [%]
GAL_COORDS:      184.93, -4.90 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       85.05, -1.17 [deg] ecliptic lon,lat of the burst (or transient)
COMMENTS:        SWIFT-BAT GRB Coordinates.  
COMMENTS:        This is an image trigger.  (The RATE_SIGNIF & BKG_{INTEN, TIME, DUR} are undefined.)  
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 = 291.68,13.81 [deg].  
COMMENTS:           
COMMENTS:        This trigger occured while the StarTracker had lost lock, so it is possibly bogus.  

GCN BAT Scaled Map Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Wed 21 Feb 24 23:16:09 UT
NOTICE_TYPE:     Swift-BAT Scaled Map
TRIGGER_NUM:     1216751,   Seg_Num: 0
POINT_RA:         75.639d {+05h 02m 33s} (J2000)
POINT_DEC:        +0.622d {+00d 37' 17"} (J2000)
MAP_DATE:        20361 TJD;    52 DOY;   24/02/21
MAP_TIME:        83119.04 SOD {23:05:19.04} UT
TRIGGER_DUR:     64.000 [sec] 
SOLN_STATUS:     0x413
RATE_SIGNIF:     0.00 [sigma]
IMAGE_SIGNIF:    16.98 [sigma]
MAP_URL:         sw01216751000msbsm.fits
SUN_POSTN:       334.77d {+22h 19m 05s}  -10.47d {-10d 28' 01"}
MOON_POSTN:      128.33d {+08h 33m 18s}  +23.81d {+23d 48' 42"}
MOON_ILLUM:      94 [%]
GAL_COORDS:      199.14,-23.71 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:       74.48,-22.05 [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) = (84.652, +22.174).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 84.652 +22.174 1.0
Crab            (  83.630 ,  22.010 )     delta= 0.961  
 

Results of batcelldetect

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 52.8001  43.9046    0.0  47.8   -3.6  -0.0310  -0.1    0.0	GK Per                        
 53.7496  53.1732    0.0  55.6    2.8   0.4978   0.9    0.0	V0332+53                      
 58.8458  31.0497    0.0  34.3   -7.5   0.0772   0.5    0.0	X Per                         
 76.4194 -23.8414    0.0  24.5 -163.2  -0.0330  -0.3    0.0	XSS J05054-2348               
 83.6332  22.0145    0.0  22.8   38.0  -0.1562  -1.3    0.0	Crab                          
 88.0474  -7.4562    0.0  14.8  141.9  -0.0001  -0.0    0.0	NGC 2110                      
 94.2804   9.1369    0.0  20.4   83.4  -0.0605  -0.4    0.0	4U 0614+091                   
 87.7566  41.9813    2.3  42.8   31.8   1.1391   4.9 ------	UNKNOWN                       
 84.6016  22.1854    1.2  23.3   40.0   1.1880   9.5 ------	UNKNOWN                       
 77.0589 -60.0828    2.6  60.7 -162.3   5.0203   4.5 ------	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  22.8   38.0  -0.1562  -1.3    0.0	Crab                          
 87.7566  41.9813    2.3  42.8   31.8   1.1391   4.9 ------	UNKNOWN                       
 84.6016  22.1854    1.2  23.3   40.0   1.1880   9.5 ------	UNKNOWN                       
 77.0589 -60.0828    2.6  60.7 -162.3   5.0203   4.5 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 77.0589 Dec. = -60.0828 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 84.6016 Dec. = +22.1854 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 87.7566 Dec. = +41.9813 (search radius of 3 degrees)
No bright source found.
 

Result of batcelldetect cleaning the bright sources

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 

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/trigger1216751/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 Feb 21 18:17:09 EST 2024