TDRSS scaled map for 967774

GCN BAT Position Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 25 Apr 20 00:17:11 UT
NOTICE_TYPE:     Swift-BAT GRB Position
TRIGGER_NUM:     967774,   Seg_Num: 0
GRB_RA:           85.241d {+05h 40m 58s} (J2000),
                  85.474d {+05h 41m 54s} (current),
                  84.667d {+05h 38m 40s} (1950)
GRB_DEC:         -13.459d {-13d 27' 31"} (J2000),
                 -13.450d {-13d 26' 58"} (current),
                 -13.483d {-13d 28' 59"} (1950)
GRB_ERROR:       3.00 [arcmin radius, statistical only]
GRB_INTEN:       10538 [cnts]    Image_Peak=344 [image_cnts]
TRIGGER_DUR:     4.096 [sec] 
TRIGGER_INDEX:   298     E_range: 25-100 keV
BKG_INTEN:       88756 [cnts]
BKG_TIME:        927.17 SOD {00:15:27.17} UT
BKG_DUR:         40 [sec]
GRB_DATE:        18964 TJD;   116 DOY;   20/04/25
GRB_TIME:        981.76 SOD {00:16:21.76} UT
GRB_PHI:          -4.50 [deg]
GRB_THETA:        12.68 [deg]
SOLN_STATUS:     0x3
RATE_SIGNIF:     13.49 [sigma]
IMAGE_SIGNIF:    8.62 [sigma]
MERIT_PARAMS:     +1  +0  +0  +2  +2  -1  +0  +0 -52  +0 
SUN_POSTN:        32.98d {+02h 11m 54s}  +13.28d {+13d 16' 33"}
SUN_DIST:         58.48 [deg]   Sun_angle= -3.5 [hr] (East of Sun)
MOON_POSTN:       54.85d {+03h 39m 24s}  +16.57d {+16d 34' 10"}
MOON_DIST:        42.62 [deg]
MOON_ILLUM:      3 [%]
GAL_COORDS:      217.43,-21.60 [deg] galactic lon,lat of the burst (or transient)
ECL_COORDS:       84.22,-36.80 [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:        This trigger occurred at longitude,latitude = 253.26,19.68 [deg].  

GCN BAT Scaled Map Notice

TITLE:           GCN/SWIFT NOTICE
NOTICE_DATE:     Sat 25 Apr 20 00:37:19 UT
NOTICE_TYPE:     Swift-BAT Scaled Map
TRIGGER_NUM:     967774,   Seg_Num: 0
POINT_RA:         80.786d {+05h 23m 09s} (J2000)
POINT_DEC:       -25.446d {-25d 26' 43"} (J2000)
MAP_DATE:        18964 TJD;   116 DOY;   20/04/25
MAP_TIME:        981.76 SOD {00:16:21.76} UT
TRIGGER_DUR:     4.095 [sec] 
SOLN_STATUS:     0x10000
RATE_SIGNIF:     13.49 [sigma]
IMAGE_SIGNIF:    8.62 [sigma]
MAP_URL:         sw00967774000msbsm.fits
SUN_POSTN:        32.99d {+02h 11m 57s}  +13.28d {+13d 16' 50"}
MOON_POSTN:       55.02d {+03h 40m 04s}  +16.62d {+16d 37' 14"}
MOON_ILLUM:      3 [%]
GAL_COORDS:      228.15,-29.86 [deg] galactic lon,lat of the pointing direction
ECL_COORDS:       77.40,-48.48 [deg] ecliptic lon,lat of the pointing direction
COMMENTS:        SWIFT-BAT Scaled Map.  


Scaled map image

The green circle (6 arcmin radius) is the BAT position (RA, Dec) = (85.241, -13.459).
 

Search BAT source with the INTEGRAL catalog

known_source_INTEGRAL.sh 85.241 -13.459 1.0
No source found
 

Results of batcelldetect

# RAcent  DECcent POSerr Theta    Phi  PeakCts   SNR AngSep     Name
#  [deg]    [deg]    ['] [deg]  [deg]                   [']
 19.2730 -73.4423    0.0  57.7  172.6   0.0202   0.2    0.0	SMC X-1                       
 76.4194 -23.8414    0.0   4.3  -93.7  -0.0167  -1.9    0.0	XSS J05054-2348               
 83.1921 -66.3675    0.0  41.0  153.9   0.0358   2.1    0.0	LMC X-4                       
 83.6332  22.0145    0.0  47.5  -21.0  -0.0286  -1.5    0.0	Crab                          
 88.0474  -7.4562    0.0  19.3   -2.3  -0.0058  -0.6    0.0	NGC 2110                      
 94.2804   9.1369    0.0  37.0   -2.1   0.0181   1.5    0.0	4U 0614+091                   
 85.2077 -13.4606    1.2  12.7   -4.6   0.0850   9.5 ------	UNKNOWN                       
 94.4200  32.3099    2.7  59.2  -11.2   0.3030   4.3 ------	UNKNOWN                       
 22.8879 -29.2417    2.6  51.1 -132.7   0.4388   4.6 ------	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  47.5  -21.0  -0.0286  -1.5    0.0	Crab                          
 85.2077 -13.4606    1.2  12.7   -4.6   0.0850   9.5 ------	UNKNOWN                       
 94.4200  32.3099    2.7  59.2  -11.2   0.3030   4.3 ------	UNKNOWN                       
 22.8879 -29.2417    2.6  51.1 -132.7   0.4388   4.6 ------	UNKNOWN                       
 
Search for UNKNOWN source R.A. = 22.8879 Dec. = -29.2417 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 85.2077 Dec. = -13.4606 (search radius of 3 degrees)
No bright source found.
 
Search for UNKNOWN source R.A. = 94.4200 Dec. = +32.3099 (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/trigger967774/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:
Fri Apr 24 20:38:12 EDT 2020