image overlap message for exposure 3 of trigger 1192252
uvot_overlap.pl vrs. 2010-12-20b fem started at 230916d04h41m14s279504usUT
The observation of trigger 1192252 started 2023-09-16T04:34:15.9
Examining file 1192252_g911_uvot_sky_image.fits
The exposure ID is 716531655
The exposure time is 149.857 (seconds)
The filter is WHITE.
*** Warning -- no aspect solution was applied to the image.
consequently the calculated overlaps are questionable.
The uvot region is centered at (244.6172,-16.6251) with a roll angle of 278.4
It is square with sides of 2.68 arc min. for an area of 7.17 sq arc min
The BAT error circle is centered at (244.6600,-16.6150) with a radius of 3.000 arc min
This is 2.536 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 4.56 sq. arc min or 0.16 of the BAT error circle
The XRT error circle is centered at (244.6226,-16.6237) with a radius of 0.078 arc min
This is 0.323 arc min from the center of the uvot region
The area of the XRT error circle is 0.019 sq. arc min
The UVOT/XRT overlap is 0.019 sq. arc min or 1.00 of the XRT error circle
image afterglow message for exposure 3 of trigger 1192252
find_uvot_ag.pl vrs. 2023-04-25a fem started at 230916d04h41m15s574108usUT
Observation start time is 2023-09-16T04:34:15.9
Examining file 1192252_g911_uvot_sources_image.fits
The exposure ID is 716531655
The exposure is 149.857 sec.
The bin size is 2 pixels
The filter is WHITE
There are 12 detected source(s) for 1192252_g911
*** WARNING -- Aspect solution FAILED.
Results need to be checked by, for example, blinking image with DS9.
Star catalogs centered at 244.6267 , -16.6114 with radius 2.10 arc min.
n_usno: 90 n_gsc: 97
Bright star catalog has no entries brighter than 12 mag
Found 12 entries without IDs and 12 entries that are acceptable afterglow candidates for 1192252_g911.
Acceptable entries have no ID, XRT distances < 11.75", and are > 0.8*(80 - 10*(mag-6))" from any bright star
from any bright star and >21.6" from other rejected sources.
Magnitude criteria will be applied later.
BAT distances are from RA=244.6600 (16:18:38.40) DEC=-16.6150 (-16:36:54.0)
XRT distances are from RA=244.6226 (16:18:29.42) DEC=-16.6237 (-16:37:25.3)
*** WARNING 100 per cent of entries have no IDs.
-----------------
Entry 0 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.61526 (16:18:27.66) dec=-16.62450 (-16:37:28.2) +/- 0.8" mag=19.77+/-0.19
dist=25.5 REFID=1 major=0.8 minor=0.5 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 158.1 arc sec from the BAT position.
Found 1 entries in star catalog(s) within 20.0" of the candidate.
printing all entries
(Entries within 12 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
244.6150 -16.6272 9.8 -1 GSC2.3 99.99 21.51 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 1 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.61329 (16:18:27.19) dec=-16.59827 (-16:35:53.8) +/- 1.2" mag=20.85+/-0.34
dist=97.0 REFID=2 major=1.0 minor=0.7 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 172.0 arc sec from the BAT position.
This source is near the edge of image (0.853)
Found 7 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
244.6154 -16.5955 12.4 -1 USNO-B1 13.88 12.92 13.34 *
244.6157 -16.5939 17.8 -1 USNO-B1 99.99 17.80 99.99 *
244.6122 -16.5956 10.4 -1 USNO-B1 19.56 18.95 19.22 *
244.6105 -16.5962 12.0 -1 USNO-B1 20.28 19.39 19.79 *
244.6154 -16.5955 12.2 -1 GSC2.3 12.47 13.42 99.99 *
244.6119 -16.5956 10.6 -1 GSC2.3 99.99 99.99 99.99 *
244.6107 -16.5962 11.7 -1 GSC2.3 99.99 20.30 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 20.25" or brighter than 12 mag
-----------------
Entry 2 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.64006 (16:18:33.61) dec=-16.61571 (-16:36:56.5) +/- 0.7" mag=16.90+/-0.14
dist=66.8 REFID=3 major=0.6 minor=0.5 flag=19 (neighbor+blended+aperture_incomplete)
*** The position of this source is inconsistent with the XRT position.
The position is 68.8 arc sec from the BAT position.
This source is near the edge of image (0.903)
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
244.6363 -16.6171 13.8 -1 USNO-B1 20.97 99.99 99.99 *
244.6388 -16.6176 7.9 -1 USNO-B1 19.32 18.19 18.69 *
244.6453 -16.6143 19.0 -1 USNO-B1 19.29 18.41 18.80 *
244.6387 -16.6176 8.3 -1 GSC2.3 18.14 19.40 99.99 *
244.6453 -16.6143 18.7 -1 GSC2.3 18.10 19.35 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 20.25" or brighter than 12 mag
-----------------
Entry 3 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.62893 (16:18:30.94) dec=-16.61625 (-16:36:58.5) +/- 0.7" mag=17.33+/-0.14
dist=34.6 REFID=4 major=4.4 minor=0.8 flag=3 (neighbor+blended)
*** The position of this source is inconsistent with the XRT position.
The position is 107.3 arc sec from the BAT position.
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
244.6284 -16.6149 5.2 -1 USNO-B1 20.99 19.60 20.22 *
244.6250 -16.6171 13.8 -1 USNO-B1 99.99 19.62 99.99
244.6287 -16.6152 3.7 -1 GSC2.3 19.58 21.59 99.99 *
244.6251 -16.6173 13.7 -1 GSC2.3 19.72 99.99 99.99
244.6342 -16.6165 18.3 -1 GSC2.3 20.07 99.99 99.99
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 4 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.63463 (16:18:32.31) dec=-16.61549 (-16:36:55.8) +/- 0.7" mag=17.42+/-0.14
dist=50.9 REFID=5 major=2.6 minor=0.7 flag=3 (neighbor+blended)
*** The position of this source is inconsistent with the XRT position.
The position is 87.5 arc sec from the BAT position.
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
244.6363 -16.6171 8.2 -1 USNO-B1 20.97 99.99 99.99 *
244.6388 -16.6176 16.2 -1 USNO-B1 19.32 18.19 18.69
244.6342 -16.6165 4.0 -1 GSC2.3 20.07 99.99 99.99 *
244.6387 -16.6176 16.1 -1 GSC2.3 18.14 19.40 99.99
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 5 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.63232 (16:18:31.76) dec=-16.61564 (-16:36:56.3) +/- 0.8" mag=18.21+/-0.15
dist=44.3 REFID=6 major=1.3 minor=0.9 flag=3 (neighbor+blended)
*** The position of this source is inconsistent with the XRT position.
The position is 95.5 arc sec from the BAT position.
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
244.6284 -16.6149 13.9 -1 USNO-B1 20.99 19.60 20.22
244.6363 -16.6171 14.8 -1 USNO-B1 20.97 99.99 99.99
244.6287 -16.6152 12.6 -1 GSC2.3 19.58 21.59 99.99 *
244.6342 -16.6165 7.3 -1 GSC2.3 20.07 99.99 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 6 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.63082 (16:18:31.40) dec=-16.61578 (-16:36:56.8) +/- 0.8" mag=18.42+/-0.15
dist=40.2 REFID=7 major=0.9 minor=0.7 flag=3 (neighbor+blended)
*** The position of this source is inconsistent with the XRT position.
The position is 100.7 arc sec from the BAT position.
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
244.6284 -16.6149 9.0 -1 USNO-B1 20.99 19.60 20.22 *
244.6363 -16.6171 19.6 -1 USNO-B1 20.97 99.99 99.99
244.6287 -16.6152 7.6 -1 GSC2.3 19.58 21.59 99.99 *
244.6342 -16.6165 12.1 -1 GSC2.3 20.07 99.99 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 7 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.62403 (16:18:29.77) dec=-16.62307 (-16:37:23.1) +/- 0.8" mag=18.90+/-0.16
dist=5.4 REFID=8 major=2.6 minor=1.2 flag=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
244.6274 -16.6220 12.4 -1 USNO-B1 18.86 18.05 18.41 *
244.6243 -16.6212 6.9 -1 GSC2.3 20.44 99.99 99.99 *
244.6274 -16.6220 12.4 -1 GSC2.3 17.88 18.83 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 8 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.62076 (16:18:28.98) dec=-16.62180 (-16:37:18.5) +/- 0.8" mag=18.99+/-0.16
dist=9.3 REFID=9 major=1.5 minor=0.7 flag=3 (neighbor+blended)
Found 1 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
244.6243 -16.6212 12.4 -1 GSC2.3 20.44 99.99 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 9 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.62826 (16:18:30.78) dec=-16.62336 (-16:37:24.1) +/- 0.9" mag=19.99+/-0.21
dist=19.6 REFID=10 major=1.3 minor=0.8 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 113.5 arc sec from the BAT position.
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
244.6274 -16.6220 5.7 -1 USNO-B1 18.86 18.05 18.41 *
244.6243 -16.6212 15.7 -1 GSC2.3 20.44 99.99 99.99
244.6274 -16.6220 5.8 -1 GSC2.3 17.88 18.83 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 10 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.63631 (16:18:32.72) dec=-16.62350 (-16:37:24.6) +/- 0.9" mag=19.88+/-0.20
dist=47.3 REFID=11 major=1.3 minor=0.9 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 87.3 arc sec from the BAT position.
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
244.6367 -16.6221 5.3 -1 USNO-B1 19.55 18.37 18.90 *
244.6366 -16.6221 5.0 -1 GSC2.3 18.24 19.47 99.99 *
244.6411 -16.6242 16.7 -1 GSC2.3 20.23 21.31 99.99
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
-----------------
Entry 11 in the list of sources is a candidate afterglow for 1192252_g911 with genie
ra=244.63864 (16:18:33.27) dec=-16.62342 (-16:37:24.3) +/- 0.9" mag=20.12+/-0.22
dist=55.3 REFID=12 major=1.5 minor=0.4 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 79.7 arc sec from the BAT position.
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
244.6367 -16.6221 8.3 -1 USNO-B1 19.55 18.37 18.90 *
244.6366 -16.6221 8.4 -1 GSC2.3 18.24 19.47 99.99 *
244.6411 -16.6242 8.9 -1 GSC2.3 20.23 21.31 99.99 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 13.5" or brighter than 12 mag
Found 3 entries in star catalog(s) within 20" of the XRT position.
RA Dec Sep. Match USNO/ USNO-B USNO-R USNO-V
GSC GSC-F GSC-J GSC-V
244.6274 -16.6220 17.8 -1 USNO-B1 18.86 18.05 18.41
244.6243 -16.6212 10.8 -1 GSC2.3 20.44 99.99 99.99
244.6274 -16.6220 17.8 -1 GSC2.3 17.88 18.83 99.99
The closest star is 10.82" away.
List UVOT sources within 20" of the XRT position:
Unmatched source ra=244.62403 (16:18:29.77) dec=-16.62307 (-16:37:23.1) +/- 0.8" mag=18.90+/-0.16 dist=5.4 REFID=8 flag=0
Unmatched source ra=244.62076 (16:18:28.98) dec=-16.62180 (-16:37:18.5) +/- 0.8" mag=18.99+/-0.16 dist=9.3 REFID=9 flag=3
Unmatched source ra=244.62826 (16:18:30.78) dec=-16.62336 (-16:37:24.1) +/- 0.9" mag=19.99+/-0.21 dist=19.6 REFID=10 flag=0
There are 1.1272223E+05 counts in the bkg source region of 5859.0000 pixels.
Rate in bkg region from 0 to 45 arcsec is 19.239 counts/pixel (5-sig UL in 4" is 19.74 mag) for 1192252_g911
There are 4333.7256 counts in the xrt source region of 202.00000 pixels.
Rate in xrt region with 8 arcsec radius is 21.454 counts/pixel for 1192252_g911
There are 20994.529 counts in the xrt_bkg source region of 1095.0000 pixels.
Rate in xrt_bkg region from 15 to 25 arcsec is 19.173 counts/pixel (5-sig UL in 4" is 19.75 mag) for 1192252_g911
There are no candidates inside BAT error circle, but outside XRT error circle.
Good candidates have no ID, acceptable profiles,
mag between 9.01 and 20.30, XRT distances < 11.75",
are > ~(80 - 10*(mag-6))" from any bright star, and have had duplicates removed.
SUMMARY: 0 good candidate(s) found.
Results are questionable because aspect solution FAILED.
Region file: 1192252_716531655_230916d04h41m15s574108usUT_bkg.region
# Region file format: DS9 version 3.0
global color=red font="helvetica 10 normal" select=1 edit=1 move=1 delete=1 include=1 fixed=0 source
fk5;circle(244.6172,-16.6251,45")
fk5;-circle(244.615259164564,-16.6245022621611,6")
fk5;-circle(244.624025691591,-16.6230729099444,6")
fk5;-circle(244.620764886281,-16.62180338935,6")
fk5;-circle(244.628261637477,-16.6233558466436,6")
Region file: 1192252_716531655_230916d04h41m15s574108usUT_xrt.region
# Region file format: DS9 version 3.0
global color=red font="helvetica 10 normal" select=1 edit=1 move=1 delete=1 include=1 fixed=0 source
fk5;circle(244.6226,-16.6237,8")
Region file: 1192252_716531655_230916d04h41m15s574108usUT_xrt_bkg.region
# Region file format: DS9 version 3.0
global color=red font="helvetica 10 normal" select=1 edit=1 move=1 delete=1 include=1 fixed=0 source
fk5;circle(244.6226,-16.6237,25")
fk5;-circle(244.6226,-16.6237,15")
fk5;-circle(244.615259164564,-16.6245022621611,6")
fk5;-circle(244.620764886281,-16.62180338935,6")
fk5;-circle(244.628261637477,-16.6233558466436,6")
image paragraph message for exposure 3 of trigger 1192252
THIS MESSAGE IS *NOT* READY FOR DISTRIBUTION.
MORE ANALYSIS IS REQUIRED TO DETERMINE WHETHER THERE IS AN AFTERGLOW CANDIDATE.
IMAGE PROBLEM: no aspect solution
SRCLIST PROBLEM: no srclist afterglow info
See notes for more details.
3 source(s) near the XRT position were rejected as afterglow candidate(s). See
notes for details.
------ Start for Possible Stand-alone Circular ----
In response to GRB230916 (Swift/BAT trigger 1192252) at 04:19:03 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of 150 seconds with the White filter
starting 879 seconds after the BAT trigger. No credible afterglow candidate has
been found in the initial data products. The 2.7'x2.7' sub-image processing
FAILED because of no aspect solution. Results from the list of sources
generated on-board are not available at this time. No correction has been made
for the expected extinction corresponding to E(B-V) of 0.215.
------- notes for trigger 1192252 ------
uvot_gcn_auto.pl vrs. 2023-03-28 fem at 230916d04h41m17s238234usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=1192252
-expid=716531655 -msg_image
Results from standard processing of UVOT TDRSS data for this trigger should be
available at
http://heasarc.gsfc.nasa.gov/docs/swift/uvot_tdrss/1192252/
Links to data for all triggers can be found at
http://heasarc.gsfc.nasa.gov/docs/swift/uvot_tdrss/
XRT position found for Genie image. BAT position found.
UVOT exposure began at MET 716531655.91294 or about 2023:259:04:34:10 UT
No information found about the number of stars in the star catalog for srclist
region.
THERE IS NO ASPECT SOLUTION for the image data.
Found 12 source(s) in Genie image catalog. 3 source(s) are within 20.0" of the
xrt position. Found 12 Genie image source(s) without IDs. There are 0 good
candidate(s) in the Genie image catalog. Good candidates must be brighter than
20.30 mag. Found 96 stars in largest star catalog for Genie image region. The
stars will eliminate afterglows from about 15% of the Genie image region.
Found 3 Genie source(s) within 20.0" of the XRT position. The brightest such
source has ra= 244.6240 dec= -16.6231 mag=18.90 sep=5.41". The closest Genie
source has ra= 244.6240 dec= -16.6231 mag=18.90 sep=5.41".
Report rejected UVOT sources within 10 arcsec XRT position.
Such sources are usually NOT the afterglow.
****THIS SOURCE NEAR XRT POSITION WAS REJECTED--USE WITH CAUTION****
UVOT took a finding chart exposure of 150 seconds with the White filter
starting 879 seconds after the BAT trigger. There is a candidate afterglow in
the rapidly available 2.7'x2.7' sub-image at
RA(J2000) = 16:18:29.77 = 244.62403
DEC(J2000) = -16:37:23.1 = -16.62307
with a 90%-confidence error radius of about 0.77 arc sec. This position is 5.41
arc sec. from the center of the XRT error circle. The estimated magnitude is
18.90 with a 1-sigma error of about 0.16. No correction has been made for the
expected extinction corresponding to E(B-V) of 0.215.
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?
716531655 879 WHITE srclist data are not available.
716531655 879 WHITE image found no candidates.
List afterglow candidates for other finding charts.
716530943 167 ? srclist data are not available.
716530943 167 WHITE image found no candidates.
716531101 325 ? srclist data are not available.
716531101 325 U image found no candidates.
------- Tokens for Quick GCN -------