srclist overlap message for exposure 2 of trigger 1069788
uvot_overlap.pl vrs. 2010-12-20b fem started at 210822d17h10m56s779884usUT
The observation of trigger 1069788 started 2021-08-22T09:23:43.1
Examining file ./1069788_g324_uvot_sky_srclist.fits
The exposure ID is 651317023
The exposure time is undefined.
The filter is U.
The uvot region is centered at (304.4337,5.2812) with a roll angle of 302.1
It is square with sides of 8.03 arc min. for an area of 64.51 sq arc min
The BAT error circle is centered at (304.4760,5.2650) with a radius of 3.000 arc min
This is 2.708 arc min from the center of the uvot region
The area of the BAT error circle is 28.27 sq. arc min
The UVOT/BAT overlap is 22.99 sq. arc min or 0.81 of the BAT error circle
The XRT error circle is centered at (304.4375,5.2835) with a radius of 0.033 arc min
This is 0.270 arc min from the center of the uvot region
The area of the XRT error circle is 0.003 sq. arc min
The UVOT/XRT overlap is 0.003 sq. arc min or 1.00 of the XRT error circle
srclist afterglow message for exposure 2 of trigger 1069788
find_uvot_ag.pl vrs. 2020-10-30 fem started at 210822d17h11m09s166380usUT
Observation start time is 2021-08-22T09:23:43.1
Examining file ./1069788_g324_uvot_catalog_srclist.fits
The exposure ID is 651317023
The exposure is 249.946 sec.
The bin size is 2 pixels
The filter is U
There are 126 detected source(s) for 1069788_g324
Aspect correction adds 0.00053 degrees (0.128 sec of time = 1.90 arc sec) to RA
Aspect correction adds 0.00138 degrees ( 4.98 arcsec) to Dec
Total aspect correction is 5.34 arcsec
Star catalogs centered at 304.4342 , 5.2777 with radius 6.01 arc min.
n_usno: 1093 n_gsc: 0
*** WARNING -- bright star catalog has 2 entries brighter than 12 mag
The brightest has mag 10.8393
RA DEC Mag Color
bright star 0: 304.52150 (20:18:05.16) 5.24967 (+05:14:58.8) 11.91 USNO-V
bright star 1: 304.52513 (20:18:06.03) 5.26185 (+05:15:42.6) 10.84 USNO-V
Mean distance difference (CAT_DELTA) for 98 matched entries is 0.912" for 1069788_g324
Mean and std. dev of mag. difference (MAG_DELTA) are 2.128 and 0.555 for 1069788_g324
Found 28 entries without IDs and 18 entries that are acceptable afterglow candidates for 1069788_g324.
Acceptable entries have no ID, XRT distances < 5", and are > 0.8*(80 - 10*(mag-6))" from any bright star
from any bright star and >21.6" from other rejected sources.
0 sources matched bright stars.
Magnitude criteria will be applied later.
BAT distances are from RA=304.4760 (20:17:54.24) DEC= 5.2650 (+05:15:54.0)
XRT distances are from RA=304.4375 (20:17:45.01) DEC= 5.2835 (+05:17:00.6)
-----------------
Entry 0 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.43765 (20:17:45.04) dec=5.28205 (+05:16:55.4) +/- 1.1" mag=18.64+/-0.35
dist=5.2 REFID=82
*** The position of this source is inconsistent with the XRT position.
The position is 150.6 arc sec from the BAT position.
src: 0 distr. of nearby unmatched sources: 1 1 0 0 0
Found 6 entries in star catalog(s) within 20.0" of the candidate.
printing all entries
(Entries within 2 arc sec of a source list entry are considered a match)
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4387 5.2784 13.6 -1 USNO-B1 19.95 19.21 19.54
304.4352 5.2846 12.6 -1 USNO-B1 20.05 18.44 19.16
304.4348 5.2851 15.1 -1 USNO-B1 99.99 19.30 99.99
304.4394 5.2831 7.4 -1 USNO-B1 18.02 16.98 17.45
304.4421 5.2821 16.0 -1 USNO-B1 17.62 16.91 17.22
304.4388 5.2863 15.8 -1 USNO-B1 19.77 18.71 19.18
*** If XRT position is correct, then this is NOT the afterglow
-----------------
Entry 2 in the list of sources is a candidate afterglow for 1069788_g324 with 5x5 stamp
ra=304.43755 (20:17:45.01) dec=5.28334 (+05:17:00.0) +/- 1.1" mag=14.60+/-0.35
dist=0.6 REFID=2
src: 2 distr. of nearby unmatched sources: 2 0 0 0 0
Found 6 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4387 5.2784 18.2 -1 USNO-B1 19.95 19.21 19.54
304.4352 5.2846 9.5 -1 USNO-B1 20.05 18.44 19.16
304.4348 5.2851 11.8 -1 USNO-B1 99.99 19.30 99.99
304.4394 5.2831 6.8 -1 USNO-B1 18.02 16.98 17.45
304.4421 5.2821 17.0 -1 USNO-B1 17.62 16.91 17.22
304.4388 5.2863 11.5 -1 USNO-B1 19.77 18.71 19.18
##### This source remains a candidate #####
It has no entries within 4" or brighter than 13 mag
-----------------
Entry 5 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.43838 (20:17:45.21) dec=5.28426 (+05:17:03.3) +/- 1.1" mag=19.17+/-0.35
dist=4.1 REFID=110
src: 5 distr. of nearby unmatched sources: 1 1 0 0 0
Found 5 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4352 5.2846 11.4 -1 USNO-B1 20.05 18.44 19.16
304.4348 5.2851 13.3 -1 USNO-B1 99.99 19.30 99.99
304.4394 5.2831 5.7 -1 USNO-B1 18.02 16.98 17.45
304.4421 5.2821 15.6 -1 USNO-B1 17.62 16.91 17.22
304.4388 5.2863 7.4 -1 USNO-B1 19.77 18.71 19.18
##### This source remains a candidate #####
It has no entries within 4" or brighter than 13 mag
-----------------
Entry 22 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.47082 (20:17:53.00) dec=5.27519 (+05:16:30.7) +/- 1.1" mag=19.67+/-0.35
dist=123.0 REFID=123
*** The position of this source is inconsistent with the XRT position.
The position is 41.1 arc sec from the BAT position.
src: 22 distr. of nearby unmatched sources: 0 0 0 0 0
Found 3 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4699 5.2751 3.2 -1 USNO-B1 17.59 16.73 17.11 *
304.4705 5.2791 14.0 -1 USNO-B1 20.34 19.12 19.66
304.4760 5.2760 18.9 -1 USNO-B1 20.27 19.06 19.60
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 29 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.47737 (20:17:54.57) dec=5.28134 (+05:16:52.8) +/- 1.1" mag=19.36+/-0.35
dist=143.0 REFID=89
*** The position of this source is inconsistent with the XRT position.
The position is 59.0 arc sec from the BAT position.
src: 29 distr. of nearby unmatched sources: 1 0 0 0 0
Found 9 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4718 5.2810 19.9 -1 USNO-B1 99.99 19.26 99.99
304.4723 5.2812 18.1 -1 USNO-B1 21.20 18.77 19.85
304.4760 5.2760 19.9 -1 USNO-B1 20.27 19.06 19.60
304.4778 5.2810 2.0 -1 USNO-B1 16.80 15.44 16.04 *
304.4786 5.2809 4.7 -1 USNO-B1 18.09 15.62 16.72
304.4792 5.2815 6.7 -1 USNO-B1 19.78 18.30 18.96
304.4799 5.2767 19.0 -1 USNO-B1 20.88 19.43 20.07
304.4807 5.2791 14.4 -1 USNO-B1 20.40 19.06 19.65
304.4825 5.2795 19.6 -1 USNO-B1 20.28 19.06 19.60
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 34 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45731 (20:17:49.76) dec=5.31592 (+05:18:57.3) +/- 1.1" mag=17.83+/-0.35
dist=136.6 REFID=34
*** The position of this source is inconsistent with the XRT position.
The position is 195.2 arc sec from the BAT position.
src: 34 distr. of nearby unmatched sources: 1 4 2 0 0
Found 3 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4566 5.3172 5.3 -1 USNO-B1 12.52 12.21 12.35 *
304.4561 5.3177 7.8 -1 USNO-B1 99.99 12.51 99.99 *
304.4545 5.3201 18.1 -1 USNO-B1 19.34 18.88 19.08
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 35 in the list of sources is a candidate afterglow for 1069788_g324 with 5x5 stamp
ra=304.45730 (20:17:49.75) dec=5.31703 (+05:19:01.3) +/- 1.1" mag=14.13+/-0.35
dist=140.0 REFID=1
*** The position of this source is inconsistent with the XRT position.
The position is 198.9 arc sec from the BAT position.
src: 35 distr. of nearby unmatched sources: 5 2 0 0 0
Found 3 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4566 5.3172 2.5 -1 USNO-B1 12.52 12.21 12.35 *
304.4561 5.3177 5.0 -1 USNO-B1 99.99 12.51 99.99 *
304.4545 5.3201 14.9 -1 USNO-B1 19.34 18.88 19.08
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 39 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45789 (20:17:49.89) dec=5.31748 (+05:19:02.9) +/- 1.1" mag=17.47+/-0.35
dist=142.4 REFID=35
*** The position of this source is inconsistent with the XRT position.
The position is 199.8 arc sec from the BAT position.
src: 39 distr. of nearby unmatched sources: 3 3 1 0 0
Found 4 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4566 5.3172 4.6 -1 USNO-B1 12.52 12.21 12.35 *
304.4561 5.3177 6.5 -1 USNO-B1 99.99 12.51 99.99 *
304.4545 5.3201 15.4 -1 USNO-B1 19.34 18.88 19.08
304.4620 5.3203 17.9 -1 USNO-B1 16.29 15.36 15.77
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 41 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45853 (20:17:50.05) dec=5.31751 (+05:19:03.0) +/- 1.1" mag=19.12+/-0.35
dist=143.7 REFID=115
*** The position of this source is inconsistent with the XRT position.
The position is 199.1 arc sec from the BAT position.
src: 41 distr. of nearby unmatched sources: 2 4 1 0 0
Found 4 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4566 5.3172 6.9 -1 USNO-B1 12.52 12.21 12.35 *
304.4561 5.3177 8.8 -1 USNO-B1 99.99 12.51 99.99 *
304.4545 5.3201 17.2 -1 USNO-B1 19.34 18.88 19.08
304.4620 5.3203 16.0 -1 USNO-B1 16.29 15.36 15.77
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 49 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.46202 (20:17:50.89) dec=5.23834 (+05:14:18.0) +/- 1.1" mag=19.29+/-0.35
dist=184.8 REFID=116
*** The position of this source is inconsistent with the XRT position.
The position is 108.3 arc sec from the BAT position.
src: 49 distr. of nearby unmatched sources: 0 0 0 0 0
Found 3 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4617 5.2389 2.4 -1 USNO-B1 17.02 16.00 16.45 *
304.4636 5.2374 6.8 -1 USNO-B1 20.23 19.99 20.10
304.4640 5.2340 17.1 -1 USNO-B1 20.68 99.99 99.99
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 65 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45305 (20:17:48.73) dec=5.23118 (+05:13:52.3) +/- 1.1" mag=19.12+/-0.35
dist=196.4 REFID=80
*** The position of this source is inconsistent with the XRT position.
The position is 146.9 arc sec from the BAT position.
src: 65 distr. of nearby unmatched sources: 1 1 3 1 0
Found 5 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4526 5.2355 15.6 -1 USNO-B1 19.88 19.23 19.52
304.4517 5.2346 13.1 -1 USNO-B1 15.77 15.13 15.41
304.4557 5.2355 18.2 -1 USNO-B1 19.90 19.57 19.72
304.4538 5.2287 9.3 -1 USNO-B1 12.22 11.88 12.03 *
304.4567 5.2287 16.0 -1 USNO-B1 20.06 19.22 19.59
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 67 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45216 (20:17:48.52) dec=5.23074 (+05:13:50.7) +/- 1.1" mag=19.12+/-0.35
dist=197.0 REFID=91
*** The position of this source is inconsistent with the XRT position.
The position is 150.0 arc sec from the BAT position.
src: 67 distr. of nearby unmatched sources: 1 1 2 2 0
Found 6 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4526 5.2355 17.2 -1 USNO-B1 19.88 19.23 19.52
304.4517 5.2346 13.8 -1 USNO-B1 15.77 15.13 15.41
304.4474 5.2311 17.1 -1 USNO-B1 17.89 17.24 17.53
304.4538 5.2287 9.3 -1 USNO-B1 12.22 11.88 12.03 *
304.4567 5.2287 18.0 -1 USNO-B1 20.06 19.22 19.59
304.4503 5.2261 18.0 -1 USNO-B1 18.84 18.31 18.54
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 71 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45563 (20:17:49.35) dec=5.23069 (+05:13:50.5) +/- 1.1" mag=18.96+/-0.35
dist=200.9 REFID=96
*** The position of this source is inconsistent with the XRT position.
The position is 143.5 arc sec from the BAT position.
src: 71 distr. of nearby unmatched sources: 0 2 2 2 0
Found 4 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4517 5.2346 19.8 -1 USNO-B1 15.77 15.13 15.41
304.4557 5.2355 17.3 -1 USNO-B1 19.90 19.57 19.72
304.4538 5.2287 9.8 -1 USNO-B1 12.22 11.88 12.03 *
304.4567 5.2287 8.2 -1 USNO-B1 20.06 19.22 19.59
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 72 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45113 (20:17:48.27) dec=5.22861 (+05:13:43.0) +/- 1.1" mag=18.92+/-0.35
dist=203.5 REFID=79
*** The position of this source is inconsistent with the XRT position.
The position is 158.4 arc sec from the BAT position.
src: 72 distr. of nearby unmatched sources: 0 2 1 3 0
Found 4 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4474 5.2311 16.1 -1 USNO-B1 17.89 17.24 17.53
304.4470 5.2285 15.0 -1 USNO-B1 20.09 18.62 19.27
304.4538 5.2287 9.4 -1 USNO-B1 12.22 11.88 12.03 *
304.4503 5.2261 9.6 -1 USNO-B1 18.84 18.31 18.54
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 77 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45639 (20:17:49.53) dec=5.22942 (+05:13:45.9) +/- 1.1" mag=18.79+/-0.35
dist=206.1 REFID=73
*** The position of this source is inconsistent with the XRT position.
The position is 146.1 arc sec from the BAT position.
src: 77 distr. of nearby unmatched sources: 0 1 2 3 0
Found 2 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4538 5.2287 9.8 -1 USNO-B1 12.22 11.88 12.03 *
304.4567 5.2287 2.9 -1 USNO-B1 20.06 19.22 19.59 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 79 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45207 (20:17:48.50) dec=5.22725 (+05:13:38.1) +/- 1.1" mag=18.51+/-0.35
dist=209.1 REFID=75
*** The position of this source is inconsistent with the XRT position.
The position is 160.7 arc sec from the BAT position.
src: 79 distr. of nearby unmatched sources: 0 1 3 2 0
Found 5 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4470 5.2285 18.9 -1 USNO-B1 20.09 18.62 19.27
304.4538 5.2287 8.0 -1 USNO-B1 12.22 11.88 12.03 *
304.4567 5.2287 17.5 -1 USNO-B1 20.06 19.22 19.59
304.4503 5.2261 7.6 -1 USNO-B1 18.84 18.31 18.54
304.4508 5.2229 16.2 -1 USNO-B1 19.59 18.55 19.01
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 81 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.45494 (20:17:49.19) dec=5.22679 (+05:13:36.4) +/- 1.1" mag=18.96+/-0.35
dist=213.5 REFID=84
*** The position of this source is inconsistent with the XRT position.
The position is 156.9 arc sec from the BAT position.
src: 81 distr. of nearby unmatched sources: 0 0 3 3 0
Found 3 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4538 5.2287 8.1 -1 USNO-B1 12.22 11.88 12.03 *
304.4567 5.2287 9.4 -1 USNO-B1 20.06 19.22 19.59
304.4503 5.2261 16.9 -1 USNO-B1 18.84 18.31 18.54
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 83 in the list of sources is a candidate afterglow for 1069788_g324 with 3x3 stamp
ra=304.49467 (20:17:58.72) dec=5.27635 (+05:16:34.9) +/- 1.1" mag=18.16+/-0.35
dist=206.4 REFID=47
*** The position of this source is inconsistent with the XRT position.
The position is 78.4 arc sec from the BAT position.
src: 83 distr. of nearby unmatched sources: 0 0 0 0 0
Found 5 entries in star catalog(s) within 20.0" of the candidate.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4894 5.2748 19.6 -1 USNO-B1 18.64 17.97 18.27
304.4913 5.2775 12.9 -1 USNO-B1 16.39 15.61 15.96
304.4926 5.2798 14.4 -1 USNO-B1 19.29 18.13 18.65
304.4937 5.2759 3.9 -1 USNO-B1 13.98 13.37 13.64 *
304.4968 5.2773 8.3 -1 USNO-B1 16.17 15.50 15.80
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
separation of 2 and 5 is 4.4 arc sec
Found 2 entries in star catalog(s) within 10" of the XRT position.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
304.4352 5.2846 9.2 -1 USNO-B1 20.05 18.44 19.16
304.4394 5.2831 7.0 -1 USNO-B1 18.02 16.98 17.45
The closest star is 6.98" away.
List UVOT sources within 10" of the XRT position:
Unmatched source ra=304.43765 (20:17:45.04) dec=5.28205 (+05:16:55.4) +/- 1.1" mag=18.64+/-0.35 dist=5.2 REFID=82
Unmatched source ra=304.43755 (20:17:45.01) dec=5.28334 (+05:17:00.0) +/- 1.1" mag=14.60+/-0.35 dist=0.6 REFID=2
Matched source ra=304.43964 (20:17:45.51) dec=5.28311 (+05:16:59.2) +/- 1.1" mag=18.75+/-0.35 dist=7.7 REFID=101
Unmatched source ra=304.43838 (20:17:45.21) dec=5.28426 (+05:17:03.3) +/- 1.1" mag=19.17+/-0.35 dist=4.1 REFID=110
Good candidates have no ID, acceptable profiles,
mag between 9.01 and 18.12, XRT distances < 5",
are > ~(80 - 10*(mag-6))" from any bright star, and have had duplicates removed.
SUMMARY: 1 good candidate(s) found.
srclist paragraph message for exposure 2 of trigger 1069788
------ Start for Possible Stand-alone Circular ----
In response to GRB210822 (Swift/BAT trigger 1069788) at 09:18:18 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of 250 seconds with the U filter starting
297 seconds after the BAT trigger. There is a candidate afterglow in the
rapidly available 2.7'x2.7' sub-image at
RA(J2000) = 20:17:44.98 = 304.43740
DEC(J2000) = +05:16:59.8 = 5.28329
with a 90%-confidence error radius of about 0.61 arc sec. This position is 0.9
arc sec. from the center of the XRT error circle. The estimated magnitude is
13.66 with a 1-sigma error of about 0.14. No correction has been made for the
expected extinction corresponding to E(B-V) of 0.162.
------- notes for trigger 1069788 ------
uvot_gcn_auto.pl vrs. 2020-10-27 fem at 210822d17h11m12s390082usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=1069788
-expid=651317023 -meonly -msg_srclist
Results from standard processing of UVOT TDRSS data for this trigger should be
available at
http://heasarc.gsfc.nasa.gov/docs/swift/uvot_tdrss/1069788/
Links to data for all triggers can be found at
http://heasarc.gsfc.nasa.gov/docs/swift/uvot_tdrss/
XRT position found for srclist. XRT position found for Genie image. BAT
position found.
UVOT exposure began at MET 651317023.06648 or about 2021:234:09:23:38 UT
Found 1089 stars in largest star catalog for srclist region. The stars will
eliminate afterglows from about 20% of the srclist region. Found 126 sources in
srclist catalog. Found 28 srclist source(s) without IDs. There are 1 good
candidate(s) in the srclist catalog. Good candidates must be brighter than
18.12 mag.
Found 20 source(s) in Genie image catalog. 1 source(s) are within 10.0" of the
xrt position. Found 1 Genie image source(s) without IDs. There are 1 good
candidate(s) in the Genie image catalog. Good candidates must be brighter than
20.44 mag. Found 215 stars in largest star catalog for Genie image region. The
stars will eliminate afterglows from about 22% of the Genie image region.
All AG candidates sorted by magnitude for the current finding chart.
(U/V/White SRCLIST mags < 17.5/17.5/18.5 are reliable. Mag > 18.5/18.5/19.5 are
not. Others are uncertain.)
(U/V/White Genie image mags < 18.0/18.0/19.0 are reliable. Mag > 19.0/19.0/20.0
are not. Others are uncertain.)
(Magnitudes followed by * have been corrected for exposure.)
---MET--- -dt- filter ---RA-- ---DEC--- -MAG/Limit Dist(") Source Asp.Corr?
651317023 297 U 304.43755 5.28334 14.60/18.1 0.6 srclist Yes
651317023 297 U 304.43838 5.28426 19.17/18.1 4.1 srclist Yes
651317023 297 U 304.43740 5.28329 13.66/20.4 0.9 image Yes
List afterglow candidates for other finding charts.
651316811 85 WHITE 304.43725 5.28292 14.79/19.2 2.3 srclist Yes
651316811 85 WHITE 304.43750 5.28332 13.70/20.6 0.6 image Yes
651317601 875 WHITE srclist found no candidates.
651317601 875 WHITE image found no candidates.
------- Tokens for Quick GCN -------
CATALOG_TYPE: IMAGE
FILTER: u
GRB_DEC: 5.28329
GRB_ERROR: 0.61
GRB_RA: 304.43740
IMAGE_START_TIME: 09:23:38
MAGNITUDE: 13.66
MAG_ERROR: 0.14
MESSAGE_TYPE: ACK
SOURCE: XRT