image overlap message for exposure 3 of trigger 1205708
uvot_overlap.pl vrs. 2010-12-20b fem started at 240102d04h26m18s638948usUT
The observation of trigger 1205708 started 2024-01-01T14:35:19.3
Examining file ./1205708_g725812519_uvot_sky_image.fits
The exposure ID is 725812519
The exposure time is 149.857 (seconds)
The filter is WHITE.
The uvot region is centered at (10.3437,8.5214) with a roll angle of 247.1
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 (10.3480,8.5170) with a radius of 3.000 arc min
This is 0.367 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 7.17 sq. arc min or 0.25 of the BAT error circle
The XRT error circle is centered at (10.3484,8.5158) with a radius of 0.037 arc min
This is 0.436 arc min from the center of the uvot region
The area of the XRT error circle is 0.004 sq. arc min
The UVOT/XRT overlap is 0.004 sq. arc min or 1.00 of the XRT error circle
image afterglow message for exposure 3 of trigger 1205708
find_uvot_ag.pl vrs. 2023-04-25a fem started at 240102d04h26m32s967142usUT
Observation start time is 2024-01-01T14:35:19.3
Examining file ./1205708_g725812519_uvot_catalog_image.fits
The exposure ID is 725812519
The exposure is 149.857 sec.
The bin size is 2 pixels
The filter is WHITE
There are 4 detected source(s) for 1205708_g725812519
Aspect correction adds -0.00135 degrees (-0.324 sec of time = -4.81 arc sec) to RA
Aspect correction adds -0.00073 degrees (-2.61 arcsec) to Dec
Total aspect correction is 5.48 arcsec
Star catalogs centered at 10.3487 , 8.5172 with radius 2.57 arc min.
n_usno: 48 n_gsc: 37
Bright star catalog has no entries brighter than 12 mag
Mean distance difference (CAT_DELTA) for 3 matched entries is 0.574" for 1205708_g725812519
Mean and std. dev of mag. difference (MAG_DELTA) are 1.071 and 0.135 for 1205708_g725812519
Found 1 entries without IDs and 1 entries that are acceptable afterglow candidates for 1205708_g725812519.
Acceptable entries have no ID, XRT distances < 5.5", 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=10.3480 (00:41:23.52) DEC= 8.5170 (+08:31:01.2)
XRT distances are from RA=10.3484 (00:41:23.62) DEC= 8.5158 (+08:30:57.0)
-----------------
Entry 3 in the list of sources is a candidate afterglow for 1205708_g725812519 with genie
ra=10.32448 (00:41:17.87) dec=8.52759 (+08:31:39.3) +/- 0.9" mag=20.60+/-0.25
dist=95.2 REFID=3 major=1.2 minor=1.0 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 92.0 arc sec from the BAT position.
This source is near the edge of image (0.879)
Found 2 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
10.3245 8.5283 2.5 -1 USNO-B1 20.23 18.23 19.12 *
10.3247 8.5282 2.3 -1 GSC2.3 17.80 19.80 18.54 *
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 5.25" or brighter than 12 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 82885.820 counts in the bkg source region of 6192.0000 pixels.
Rate in bkg region from 0 to 45 arcsec is 13.386 counts/pixel (5-sig UL in 4" is 19.94 mag) for 1205708_g725812519
There are 2652.2312 counts in the xrt source region of 197.00000 pixels.
Rate in xrt region with 8 arcsec radius is 13.463 counts/pixel for 1205708_g725812519
There are 16600.656 counts in the xrt_bkg source region of 1244.0000 pixels.
Rate in xrt_bkg region from 15 to 25 arcsec is 13.345 counts/pixel (5-sig UL in 4" is 19.94 mag) for 1205708_g725812519
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 20.50, XRT distances < 5.5",
are > ~(80 - 10*(mag-6))" from any bright star, and have had duplicates removed.
SUMMARY: 0 good candidate(s) found.
Region file: 1205708_725812519_240102d04h26m32s967142usUT_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(10.3437,8.5214,45")
fk5;-circle(10.3425225480341,8.53226461136122,6")
Region file: 1205708_725812519_240102d04h26m32s967142usUT_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(10.34842,8.51583,8")
Region file: 1205708_725812519_240102d04h26m32s967142usUT_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(10.34842,8.51583,25")
fk5;-circle(10.34842,8.51583,15")
image paragraph message for exposure 3 of trigger 1205708
------ Start for Possible Stand-alone Circular ----
In response to GRB240101 (Swift/BAT trigger 1205708) at 14:19:43 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of 150 seconds with the White filter
starting 903 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
0.059.
------- notes for trigger 1205708 ------
uvot_gcn_auto.pl vrs. 2023-03-28 fem at 240102d04h26m35s844757usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=1205708
-expid=725812519 -meonly -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/1205708/
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 725812519.27494 or about 2024:001:14:35:14 UT
Found 525 stars in largest star catalog for srclist region. The stars will
eliminate afterglows from about 4% of the srclist region. Found 51 sources in
srclist catalog. Found 24 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 4 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 20.50 mag. Found 44 stars in largest star catalog for
Genie image region. The stars will eliminate afterglows from about 4% of the
Genie image region.
Genie image analysis:
Found 82885.8 counts in the large background region of 6192.0 pixels or a rate
of 13.386 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 19.77 mag. for a
4-arcsec aperture.
Found 2652.2 counts in the XRT position region of 197.0 pixels or a rate of
13.463 counts/pixel in a radius of 8.0 arcsec. The net count rate (using local
background region) at the XRT position is 0.155 +/- 0.369 (1-sigma) cps or
21.63 mag and a range from 20.31 to 99.99 mag. The 3-sigma UL at the XRT
position is 1.263 cps or 19.35 mag. The closest srclist source has ra= 10.3500
dec= 8.5025 mag=16.88 sep=48.37". The closest Genie source has ra= 10.3499
dec= 8.5022 mag=15.52 sep=49.30".
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?
725812519 903 WHITE srclist found no candidates.
725812519 903 WHITE image found no candidates.
List afterglow candidates for other finding charts.
725811784 168 WHITE srclist found no candidates.
725811784 168 WHITE image found no candidates.
725811942 326 ? srclist data are not available.
725811942 326 U image found no candidates.
------- Tokens for Quick GCN -------
CATALOG_TYPE: IMAGE
FILTER: white
GRB_DEC: 8.51583
GRB_ERROR: 5.5
GRB_RA: 10.34842
IMAGE_START_TIME: 14:35:14
MAGNITUDE: 19.4
MAG_ERROR: 3.0
MESSAGE_TYPE: NACK
SOURCE: XRT