srclist overlap message for exposure 1 of trigger 844015
uvot_overlap.pl vrs. 2010-12-20b fem started at 180623d21h26m50s654379usUT
The observation of trigger 844015 started 2018-06-23T16:43:43.2
Examining file ./844015_g106_uvot_sky_srclist.fits
The exposure ID is 551465023
The exposure time is undefined.
The filter is WHITE.
The uvot region is centered at (214.5005,-60.2973) with a roll angle of 253.6
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 (214.5110,-60.2940) with a radius of 3.000 arc min
This is 0.368 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 28.27 sq. arc min or 1.00 of the BAT error circle
The XRT error circle is centered at (214.5288,-60.2535) with a radius of 0.025 arc min
This is 2.757 arc min from the center of the uvot region
The area of the XRT error circle is 0.002 sq. arc min
The UVOT/XRT overlap is 0.002 sq. arc min or 1.00 of the XRT error circle
srclist afterglow message for exposure 1 of trigger 844015
find_uvot_ag.pl vrs. 2017-02-17 fem started at 180623d21h26m54s797704usUT
Observation start time is 2018-06-23T16:43:43.2
Examining file ./844015_g106_uvot_catalog_srclist.fits
The exposure ID is 551465023
The exposure is 149.868 sec.
The bin size is 2 pixels
The filter is WHITE
There are 190 detected source(s) for 844015_g106
*** WARNING -- the sources have filled the available telemetry buffer (190).
srclist_overlap returned: bat_overlap 1.000
srclist_overlap returned: xrt_overlap 1.000
Dimmest detected source in 844015_g106 has mag 19.21
Aspect correction adds -0.00043 degrees (-0.104 sec of time = -0.77 arc sec) to RA
Aspect correction adds -0.00021 degrees (-0.76 arcsec) to Dec
Total aspect correction is 1.08 arcsec
Star catalogs centered at 214.5048 , -60.2847 with radius 6.72 arc min.
n_usno: 1889 n_gsc: 3903
*** WARNING -- bright star catalog has 14 entries brighter than 12 mag
The brightest has mag 10.025
RA DEC Mag Color
bright star 0: 214.47406 (14:17:53.77) -60.27144 (-60:16:17.2) 10.93 USNO-R
bright star 1: 214.47120 (14:17:53.09) -60.27201 (-60:16:19.2) 11.51 USNO-V
bright star 2: 214.59179 (14:18:22.03) -60.30794 (-60:18:28.6) 11.43 USNO-V
bright star 3: 214.56951 (14:18:16.68) -60.23391 (-60:14:02.1) 10.97 USNO-V
bright star 4: 214.46762 (14:17:52.23) -60.35371 (-60:21:13.3) 11.89 USNO-V
bright star 5: 214.36589 (14:17:27.81) -60.31669 (-60:19:00.1) 11.75 USNO-V
bright star 6: 214.36426 (14:17:27.42) -60.31603 (-60:18:57.7) 11.91 USNO-V
bright star 7: 214.56284 (14:18:15.08) -60.36341 (-60:21:48.3) 11.76 USNO-R
bright star 8: 214.62835 (14:18:30.80) -60.21747 (-60:13:02.9) 10.02 USNO-V
bright star 9: 214.32324 (14:17:17.58) -60.25158 (-60:15:05.7) 11.40 USNO-R
bright star 10: 214.49425 (14:17:58.62) -60.38555 (-60:23:08.0) 11.96 USNO-V
bright star 11: 214.47877 (14:17:54.90) -60.39414 (-60:23:38.9) 11.75 USNO-V
bright star 12: 214.70343 (14:18:48.82) -60.27228 (-60:16:20.2) 11.37 GSC-F
bright star 13: 214.31458 (14:17:15.50) -60.25027 (-60:15:01.0) 11.79 GSC-F
Mean distance difference (CAT_DELTA) for 179 matched entries is 0.844" for 844015_g106
Mean and std. dev of mag. difference (MAG_DELTA) are 1.779 and 0.725 for 844015_g106
Found 21 entries without IDs and 6 entries that are acceptable afterglow candidates for 844015_g106.
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.
7 sources matched bright stars.
Magnitude criteria will be applied later.
BAT distances are from RA=214.5110 (14:18:02.64) DEC=-60.2940 (-60:17:38.4)
XRT distances are from RA=214.5288 (14:18:06.91) DEC=-60.2535 (-60:15:12.7)
-----------------
Entry 2 in the list of sources is a candidate afterglow for 844015_g106 with 1x1 stamp
ra=214.52569 (14:18:06.16) dec=-60.24766 (-60:14:51.6) +/- 1.1" mag=18.83+/-0.35
dist=21.8 REFID=151
*** The position of this source is inconsistent with the XRT position.
The position is 168.9 arc sec from the BAT position.
src: 2 srclist_match has ID
src: 2 distr. of nearby unmatched sources: 0 0 0 0 0
Found 8 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
214.5252 -60.2492 5.7 -1 USNO-B1 17.47 15.45 16.35
214.5239 -60.2477 3.3 -1 USNO-B1 99.99 16.86 99.99 *
214.5235 -60.2477 4.0 -1 USNO-B1 19.93 17.95 18.83 *
214.5251 -60.2478 1.1 -1 USNO-B1 17.75 15.50 16.50 *
214.5349 -60.2475 16.5 -1 USNO-B1 20.32 18.41 19.26
214.5253 -60.2494 6.4 -1 GSC2.3 15.82 17.57 99.99
214.5254 -60.2474 0.9 -1 GSC2.3 15.68 17.72 99.99 *
214.5348 -60.2474 16.3 -1 GSC2.3 19.39 21.61 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 38 in the list of sources is a candidate afterglow for 844015_g106 with 1x1 stamp
ra=214.45793 (14:17:49.90) dec=-60.26317 (-60:15:47.4) +/- 1.1" mag=18.88+/-0.35
dist=131.2 REFID=120
*** The position of this source is inconsistent with the XRT position.
The position is 145.9 arc sec from the BAT position.
src: 38 srclist_match has ID
src: 38 distr. of nearby unmatched sources: 0 0 0 0 0
Found 12 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
214.4642 -60.2629 11.3 -1 USNO-B1 18.61 16.68 17.53
214.4576 -60.2641 3.3 -1 USNO-B1 99.99 17.97 99.99 *
214.4569 -60.2636 2.3 -1 USNO-B1 17.43 15.38 16.29 *
214.4555 -60.2637 4.8 -1 USNO-B1 99.99 16.08 99.99
214.4539 -60.2638 7.6 -1 USNO-B1 17.38 15.77 16.49
214.4612 -60.2595 14.5 -1 USNO-B1 17.68 15.98 16.73
214.4486 -60.2621 17.1 -1 USNO-B1 18.53 16.87 17.61
214.4641 -60.2630 11.1 -1 GSC2.3 16.68 18.48 99.99
214.4573 -60.2635 1.7 -1 GSC2.3 15.94 17.52 99.99 *
214.4535 -60.2638 8.2 -1 GSC2.3 16.15 17.59 99.99
214.4611 -60.2595 14.3 -1 GSC2.3 15.91 17.46 99.99
214.4484 -60.2621 17.4 -1 GSC2.3 16.78 18.36 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 66 in the list of sources is a candidate afterglow for 844015_g106 with 1x1 stamp
ra=214.43076 (14:17:43.38) dec=-60.25580 (-60:15:20.9) +/- 1.1" mag=18.93+/-0.35
dist=175.3 REFID=139
*** The position of this source is inconsistent with the XRT position.
The position is 198.6 arc sec from the BAT position.
src: 66 srclist_match has ID
src: 66 distr. of nearby unmatched sources: 0 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
214.4318 -60.2570 4.7 -1 USNO-B1 18.22 17.55 17.85
214.4299 -60.2550 3.2 -1 USNO-B1 18.06 15.47 16.62 *
214.4240 -60.2574 13.4 -1 USNO-B1 21.38 17.01 18.95
214.4305 -60.2555 1.3 -1 GSC2.3 16.02 18.13 99.99 *
214.4284 -60.2544 6.5 -1 GSC2.3 17.42 19.40 99.99
214.4238 -60.2574 13.7 -1 GSC2.3 17.09 21.17 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 136 in the list of sources is a candidate afterglow for 844015_g106 with 3x3 stamp
ra=214.58786 (14:18:21.09) dec=-60.32902 (-60:19:44.5) +/- 1.1" mag=17.10+/-0.35
dist=291.4 REFID=48
*** The position of this source is inconsistent with the XRT position.
The position is 186.2 arc sec from the BAT position.
src: 136 srclist_match has ID
src: 136 distr. of nearby unmatched sources: 0 0 0 0 0
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
214.5892 -60.3281 4.3 -1 USNO-B1 14.18 12.46 13.22 *
214.5948 -60.3277 13.2 -1 USNO-B1 99.99 18.45 99.99
214.5873 -60.3342 18.6 -1 USNO-B1 18.86 17.43 18.06
214.5900 -60.3275 6.7 -1 GSC2.3 13.72 15.23 99.99
214.5878 -60.3290 0.2 -1 GSC2.3 14.49 15.79 99.99 *
214.5952 -60.3277 13.9 -1 GSC2.3 20.57 99.99 99.99
214.5871 -60.3341 18.5 -1 GSC2.3 18.06 20.73 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 138 in the list of sources is a candidate afterglow for 844015_g106 with 3x3 stamp
ra=214.52396 (14:18:05.75) dec=-60.33549 (-60:20:07.7) +/- 1.1" mag=15.08+/-0.35
dist=295.2 REFID=3
*** The position of this source is inconsistent with the XRT position.
The position is 151.1 arc sec from the BAT position.
src: 138 srclist_match has ID
src: 138 distr. of nearby unmatched sources: 0 0 0 0 0
Found 14 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
214.5276 -60.3322 13.6 -1 USNO-B1 18.43 16.09 17.13
214.5236 -60.3335 7.2 -1 USNO-B1 99.99 19.36 99.99
214.5237 -60.3359 1.5 -1 USNO-B1 13.56 12.86 13.17 *
214.5234 -60.3362 2.8 -1 USNO-B1 13.56 11.93 12.65 *
214.5219 -60.3374 8.0 -1 USNO-B1 16.20 13.13 14.49
214.5199 -60.3376 10.5 -1 USNO-B1 17.56 16.75 17.11
214.5192 -60.3377 11.6 -1 USNO-B1 17.74 16.52 17.06
214.5222 -60.3390 13.2 -1 USNO-B1 15.77 14.85 15.26
214.5178 -60.3396 18.5 -1 USNO-B1 20.16 17.86 18.88
214.5274 -60.3321 13.5 -1 GSC2.3 16.32 18.53 99.99
214.5240 -60.3357 0.8 -1 GSC2.3 12.72 13.49 99.99 *
214.5192 -60.3375 11.2 -1 GSC2.3 16.96 18.58 99.99
214.5223 -60.3387 11.8 -1 GSC2.3 14.93 16.58 99.99
214.5173 -60.3396 19.1 -1 GSC2.3 17.91 21.21 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 142 in the list of sources is a candidate afterglow for 844015_g106 with 3x3 stamp
ra=214.52246 (14:18:05.39) dec=-60.33864 (-60:20:19.1) +/- 1.1" mag=17.94+/-0.35
dist=306.6 REFID=70
*** The position of this source is inconsistent with the XRT position.
The position is 162.0 arc sec from the BAT position.
src: 142 srclist_match has ID
src: 142 distr. of nearby unmatched sources: 0 0 0 0 0
Found 13 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
214.5236 -60.3335 18.6 -1 USNO-B1 99.99 19.36 99.99
214.5237 -60.3359 10.1 -1 USNO-B1 13.56 12.86 13.17 *
214.5234 -60.3362 8.9 -1 USNO-B1 13.56 11.93 12.65 *
214.5219 -60.3374 4.4 -1 USNO-B1 16.20 13.13 14.49
214.5199 -60.3376 5.9 -1 USNO-B1 17.56 16.75 17.11
214.5192 -60.3377 6.7 -1 USNO-B1 17.74 16.52 17.06
214.5222 -60.3390 1.5 -1 USNO-B1 15.77 14.85 15.26 *
214.5178 -60.3396 9.1 -1 USNO-B1 20.16 17.86 18.88
214.5160 -60.3428 18.9 -1 USNO-B1 99.99 18.56 99.99
214.5240 -60.3357 10.9 -1 GSC2.3 12.72 13.49 99.99 *
214.5192 -60.3375 7.2 -1 GSC2.3 16.96 18.58 99.99
214.5223 -60.3387 0.2 -1 GSC2.3 14.93 16.58 99.99 *
214.5173 -60.3396 9.9 -1 GSC2.3 17.91 21.21 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
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
214.5287 -60.2539 1.4 -1 USNO-B1 20.55 17.85 19.05
214.5285 -60.2539 1.6 -1 GSC2.3 17.61 20.75 99.99
The closest star is 1.37" away.
List UVOT sources within 10" of the XRT position:
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 19.22, XRT distances < 5",
are > ~(80 - 10*(mag-6))" from any bright star, and have had duplicates removed.
SUMMARY: 0 good candidate(s) found.
srclist paragraph message for exposure 1 of trigger 844015
THIS MESSAGE IS *NOT* READY FOR DISTRIBUTION.
MORE ANALYSIS IS REQUIRED TO DETERMINE WHETHER THERE IS AN AFTERGLOW CANDIDATE.
IMAGE PROBLEM: damaged image (negative pixel value)
SRCLIST PROBLEM: srclist filled telemetry buffer
See notes for more details.
WARNING -- because of the LARGE EXTINCTION, results should be used cautiously.
------ Start for Possible Stand-alone Circular ----
In response to GRB180623 (Swift/BAT trigger 844015) at 16:41:56 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of 150 seconds with the White filter
starting 85 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 damaged image (negative pixel value). The 8'x8' region for
the list of sources generated on-board covers 100% of the XRT error circle. The
list of sources is typically complete to about 18 mag. No correction has been
made for the large, but uncertain, extinction expected.
------- notes for trigger 844015 ------
uvot_gcn_auto.pl vrs. 2016-09-07 fem at 180623d21h27m06s104382usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=844015
-expid=551465023 -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/844015/
Links to data for all triggers can be found at
http://heasarc.gsfc.nasa.gov/docs/swift/uvot_tdrss/
Large extinction of 24.59 found for bat position. Unreliable extinction found
for xrt position. The Genie image appears to be DAMAGED with a min. value of
-3.912784.
XRT position found for srclist. XRT position found for Genie image. BAT
position found.
UVOT exposure began at MET 551465023.22192 or about 2018:174:16:43:38 UT
Found 1885 stars in largest star catalog for srclist region. The stars will
eliminate afterglows from about 28% of the srclist region. Found 190 sources in
srclist catalog. WARNING -- srclist catalog buffer filled. Found 21 srclist
source(s) without IDs. There are 0 good candidate(s) in the srclist catalog.
Good candidates must be brighter than 19.22 mag.
Found 21 source(s) in Genie image catalog. Found 2 Genie image source(s)
without IDs. There are 0 good candidate(s) in the Genie image catalog. Good
candidates must be brighter than 20.64 mag. Found 323 stars in largest star
catalog for Genie image region. The stars will eliminate afterglows from about
26% of the Genie image region. The number of srclist sources filled the
available telemetry. The weakest source detected was 19.21 mag. The closest
srclist source has ra= 214.5253 dec= -60.2492 mag=18.55 sep=16.75". The closest
Genie source has ra= 214.5254 dec= -60.2494 mag=18.02 sep=16.01".
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?
551465023 85 WHITE srclist found no candidates.
551465023 85 WHITE image found no candidates.
List afterglow candidates for other finding charts.
551465236 298 U srclist found no candidates.
551465236 298 U image found no candidates.
551465815 877 WHITE srclist found no candidates.
551465815 877 WHITE image found no candidates.
------- Tokens for Quick GCN -------