TDRSS scaled map for 817564

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Mar 18 01:53:17 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     817564,   Seg_Num: 0
GRB_RA:          157.432d {+10h 29m 44s} (J2000),
                 157.683d {+10h 30m 44s} (current),
                 156.742d {+10h 26m 58s} (1950)
GRB_DEC:         +24.439d {+24d 26' 21"} (J2000),
                 +24.345d {+24d 20' 43"} (current),
                 +24.696d {+24d 41' 44"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       1734 [cnts]    Image_Peak=158 [image_cnts]
TRIGGER_DUR:     0.512 [sec] 
TRIGGER_INDEX:   124     E_range: 25-100 keV
BKG_INTEN:       16699 [cnts]
BKG_TIME:        6771.32 SOD {01:52:51.32} UT
BKG_DUR:         8 [sec]
GRB_DATE:        18202 TJD;    84 DOY;   18/03/25
GRB_TIME:        6782.84 SOD {01:53:02.84} UT
GRB_PHI:         137.94 [deg]
GRB_THETA:        15.61 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     19.64 [sigma]
IMAGE_SIGNIF:    10.22 [sigma]
MERIT_PARAMS:     +1  +0  +0  -1  +2  +0  +0  +0 +80  +0 
SUN_POSTN:         4.01d {+00h 16m 04s}   +1.74d {+01d 44' 17"}
SUN_DIST:        143.48 [deg]   Sun_angle= -10.2 [hr] (East of Sun)
MOON_POSTN:      100.67d {+06h 42m 40s}  +20.25d {+20d 14' 56"}
MOON_DIST:        52.55 [deg]
MOON_ILLUM:      55 [%]
GAL_COORDS:      209.68, 58.09 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:      150.01, 13.92 [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 = 277.06,8.22 [deg].  

GCN BAT Scaled Map Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sun 25 Mar 18 02:02:38 UT
NOTICE_TYPE:     Swift-BAT Scaled Map
TRIGGER_NUM:     817564,   Seg_Num: 0
POINT_RA:        166.095d {+11h 04m 23s} (J2000)
POINT_DEC:       +38.197d {+38d 11' 48"} (J2000)
MAP_DATE:        18202 TJD;    84 DOY;   18/03/25
MAP_TIME:        6782.84 SOD {01:53:02.84} UT
TRIGGER_DUR:     0.512 [sec] 
SOLN_STATUS:     0x3
RATE_SIGNIF:     19.64 [sigma]
IMAGE_SIGNIF:    10.22 [sigma]
MAP_URL:         sw00817564000msbsm.fits
SUN_POSTN:         4.02d {+00h 16m 05s}   +1.74d {+01d 44' 27"}
MOON_POSTN:      100.77d {+06h 43m 04s}  +20.25d {+20d 14' 57"}
MOON_ILLUM:      55 [%]
GAL_COORDS:      179.87, 65.02 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:      151.21, 29.49 [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) = (157.432, +24.439).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 157.432 +24.439 1.0
No source found
 

Results of batcelldetect

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
133.6934  39.5386    0.0  25.1 -149.5   0.0087   1.5    0.0	NGC 2691                      
166.6979  72.5686    0.0  34.4  -72.4  -0.0025  -0.2    0.0	NGC 3516                      
169.5454  48.0369    0.0  10.1  -59.6   0.0165   3.0    0.0	XTE J1118+480                 
182.6357  39.4057    0.0  12.9    6.7  -0.0055  -1.1    0.0	NGC 4151                      
186.4448  12.6621    0.0  31.3   66.5  -0.0020  -0.2    0.0	NGC 4388                      
187.2779   2.0524    0.0  41.0   73.9   0.0140   0.5    0.0	3C 273                        
150.6355   3.3743    2.0  37.6  133.1   0.0673   5.8 ------	UNKNOWN                       
157.4232  24.4547    1.3  15.6  138.0   0.0542   9.2 ------	UNKNOWN                       

Search for the BAT bright source catalog

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
150.6355   3.3743    2.0  37.6  133.1   0.0673   5.8 ------	UNKNOWN                       
157.4232  24.4547    1.3  15.6  138.0   0.0542   9.2 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 150.6355 Dec. = +3.3743 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 157.4232 Dec. = +24.4547 (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/trigger817564/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 Mar 24 22:03:20 EDT 2018