srclist overlap message for exposure 1 of trigger 1161390
uvot_overlap.pl vrs. 2010-12-20b fem started at 230325d06h01m37s294852usUT
The observation of trigger 1161390 started 2023-03-25T03:17:48.8
Examining file ./1161390_g132_uvot_sky_srclist.fits
The exposure ID is 701407068
The exposure time is undefined.
The filter is WHITE.
The uvot region is centered at (296.8277,-46.0926) with a roll angle of 71.9
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 (296.8200,-46.0940) with a radius of 3.000 arc min
This is 0.331 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 (296.8498,-46.0761) with a radius of 0.038 arc min
This is 1.351 arc min from the center of the uvot region
The area of the XRT error circle is 0.005 sq. arc min
The UVOT/XRT overlap is 0.005 sq. arc min or 1.00 of the XRT error circle
srclist afterglow message for exposure 1 of trigger 1161390
find_uvot_ag.pl vrs. 2020-10-30 fem started at 230325d06h01m39s265787usUT
Observation start time is 2023-03-25T03:17:48.8
Examining file ./1161390_g132_uvot_catalog_srclist.fits
The exposure ID is 701407068
The exposure is 149.868 sec.
The bin size is 2 pixels
The filter is WHITE
There are 77 detected source(s) for 1161390_g132
Aspect correction adds 0.00205 degrees (0.492 sec of time = 5.12 arc sec) to RA
Aspect correction adds -0.00067 degrees (-2.40 arcsec) to Dec
Total aspect correction is 5.66 arcsec
Star catalogs centered at 296.8292 , -46.0899 with radius 5.93 arc min.
n_usno: 638 n_gsc: 0
*** WARNING -- bright star catalog has 2 entries brighter than 12 mag
The brightest has mag 10.18492
RA DEC Mag Color
bright star 0: 296.92219 (19:47:41.33) -46.10091 (-46:06:03.3) 10.18 USNO-V
bright star 1: 296.83717 (19:47:20.92) -46.00233 (-46:00:08.4) 11.67 USNO-V
Mean distance difference (CAT_DELTA) for 72 matched entries is 0.826" for 1161390_g132
Mean and std. dev of mag. difference (MAG_DELTA) are 1.535 and 0.373 for 1161390_g132
Found 5 entries without IDs and 2 entries that are acceptable afterglow candidates for 1161390_g132.
Acceptable entries have no ID, XRT distances < 5.75", and are > 0.8*(80 - 10*(mag-6))" from any bright star
from any bright star and >21.6" from other rejected sources.
2 sources matched bright stars.
Magnitude criteria will be applied later.
BAT distances are from RA=296.8200 (19:47:16.80) DEC=-46.0940 (-46:05:38.4)
XRT distances are from RA=296.8498 (19:47:23.96) DEC=-46.0761 (-46:04:34.1)
-----------------
Entry 23 in the list of sources is a candidate afterglow for 1161390_g132 with 3x3 stamp
ra=296.80649 (19:47:13.56) dec=-46.04144 (-46:02:29.2) +/- 1.1" mag=19.20+/-0.35
dist=165.3 REFID=66
*** The position of this source is inconsistent with the XRT position.
The position is 192.2 arc sec from the BAT position.
src: 23 distr. of nearby unmatched sources: 0 0 0 0 0
Found 5 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
296.8020 -46.0439 14.3 -1 USNO-B1 19.73 18.67 19.14
296.8062 -46.0405 3.5 -1 USNO-B1 16.03 14.82 15.35 *
296.8128 -46.0386 18.7 -1 USNO-B1 20.65 19.15 19.82
296.8048 -46.0379 13.4 -1 USNO-B1 18.78 17.73 18.20
296.8012 -46.0387 16.5 -1 USNO-B1 18.80 17.70 18.19
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 56 in the list of sources is a candidate afterglow for 1161390_g132 with 3x3 stamp
ra=296.80972 (19:47:14.33) dec=-46.13656 (-46:08:11.6) +/- 1.1" mag=18.84+/-0.35
dist=239.4 REFID=51
*** The position of this source is inconsistent with the XRT position.
The position is 155.4 arc sec from the BAT position.
src: 56 distr. of nearby unmatched sources: 0 0 0 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
296.8106 -46.1349 6.5 -1 USNO-B1 20.79 99.99 99.99
296.8118 -46.1360 5.7 -1 USNO-B1 16.73 15.18 15.87
296.8105 -46.1361 2.5 -1 USNO-B1 17.15 15.81 16.40 *
296.8039 -46.1350 15.6 -1 USNO-B1 20.55 18.94 19.65
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
Found 0 entries in star catalog(s) within 10" of the XRT position.
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 < 5.75",
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 1161390
------ Start for Possible Stand-alone Circular ----
In response to GRB230325 (Swift/BAT trigger 1161390) at 03:15:35 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of 150 seconds with the White filter
starting 101 seconds after the BAT trigger. No credible afterglow candidate has
been found in the initial data products. The 2.7'x2.7' sub-image covers 100% of
the XRT error circle. The typical 3-sigma upper limit has been about 19.6 mag.
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 expected extinction corresponding to E(B-V) of
0.046.
------- notes for trigger 1161390 ------
uvot_gcn_auto.pl vrs. 2020-10-27 fem at 230327d20h13m43s248845usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=1161390
-expid=701407068 -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/1161390/
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 701407068.83326 or about 2023:084:03:17:43 UT
Found 634 stars in largest star catalog for srclist region. The stars will
eliminate afterglows from about 12% of the srclist region. Found 77 sources in
srclist catalog. Found 5 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 13 source(s) in Genie image catalog. Found 1 Genie image source(s)
without IDs. There are 0 good candidate(s) in the Genie image catalog. Good
candidates must be brighter than 20.19 mag. Found 123 stars in largest star
catalog for Genie image region. The stars will eliminate afterglows from about
12% of the Genie image region.
Genie image analysis:
Found 141693.4 counts in the large background region of 6026.0 pixels or a rate
of 23.514 counts/pixel in a radius of 45.0 arcsec. Based on this background,
the typical 5-sigma UL at a random point in the Genie image is 19.46 mag. for a
4-arcsec aperture.
Found 4763.9 counts in the XRT position region of 202.0 pixels or a rate of
23.584 counts/pixel in a radius of 8.0 arcsec. The net count rate (using local
background region) at the XRT position is 0.408 +/- 0.498 (1-sigma) cps or
20.58 mag and a range from 19.71 to 99.99 mag. The 3-sigma UL at the XRT
position is 1.902 cps or 18.91 mag. The closest srclist source has ra= 296.8592
dec= -46.0731 mag=17.25 sep=25.80". The closest Genie source has ra= 296.8590
dec= -46.0730 mag=16.60 sep=25.59".
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?
701407068 101 WHITE srclist found no candidates.
701407068 101 WHITE image found no candidates.
List afterglow candidates for other finding charts.
701407281 314 U srclist found no candidates.
701407281 314 U image found no candidates.
------- Tokens for Quick GCN -------
CATALOG_TYPE: IMAGE
FILTER: white
GRB_DEC: -46.07614
GRB_ERROR: 5.75
GRB_RA: 296.84983
IMAGE_START_TIME: 03:17:43
MAGNITUDE: 18.9
MAG_ERROR: 3.0
MESSAGE_TYPE: NACK
SOURCE: XRT