image overlap message for exposure 2 of trigger 1216911
uvot_overlap.pl vrs. 2010-12-20b fem started at 240223d00h24m57s740803usUT
The observation of trigger 1216911 started 2024-02-23T00:15:59.2
Examining file 1216911_g319_uvot_sky_image.fits
The exposure ID is 730340159
The exposure time is 26.021 (seconds)
The filter is U.
*** Warning -- no aspect solution was applied to the image.
consequently the calculated overlaps are questionable.
The uvot region is centered at (299.9400,35.3325) with a roll angle of 136.4
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 (299.9810,35.3530) with a radius of 3.000 arc min
This is 2.355 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 5.07 sq. arc min or 0.18 of the BAT error circle
The XRT error circle is centered at (299.9364,35.3346) with a radius of 0.078 arc min
This is 0.219 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 2 of trigger 1216911
find_uvot_ag.pl vrs. 2023-04-25a fem started at 240223d00h24m58s588245usUT
Observation start time is 2024-02-23T00:15:59.2
Examining file 1216911_g319_uvot_sources_image.fits
The exposure ID is 730340159
The exposure is 26.021 sec.
The bin size is 2 pixels
The filter is U
There are 8 detected source(s) for 1216911_g319
*** WARNING -- Aspect solution FAILED.
Results need to be checked by, for example, blinking image with DS9.
Star catalogs centered at 299.9371 , 35.3355 with radius 2.27 arc min.
n_usno: 206 n_gsc: 438
*** WARNING -- bright star catalog has 5 entries brighter than 12 mag
The brightest has mag 8.40
RA DEC Mag Color
bright star 0: 299.94044 (19:59:45.71) 35.33696 (+35:20:13.1) 10.41 USNO-R
bright star 1: 299.94760 (19:59:47.42) 35.32791 (+35:19:40.5) 8.40 USNO-R
bright star 2: 299.94276 (19:59:46.26) 35.35463 (+35:21:16.7) 10.42 USNO-R
bright star 3: 299.95403 (19:59:48.97) 35.35012 (+35:21:00.4) 11.95 USNO-R
bright star 4: 299.95460 (19:59:49.10) 35.30931 (+35:18:33.5) 9.02 USNO-V
Found 8 entries without IDs and 5 entries that are acceptable afterglow candidates for 1216911_g319.
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.
3 sources matched bright stars.
Magnitude criteria will be applied later.
BAT distances are from RA=299.9810 (19:59:55.44) DEC=35.3530 (+35:21:10.8)
XRT distances are from RA=299.9364 (19:59:44.74) DEC=35.3346 (+35:20:04.6)
*** WARNING 100 per cent of entries have no IDs.
-----------------
Entry 1 in the list of sources is a candidate afterglow for 1216911_g319 with genie
ra=299.92789 (19:59:42.69) dec=35.34466 (+35:20:40.8) +/- 0.9" mag=16.93+/-0.20
dist=44.0 REFID=2 major=2.3 minor=1.7 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 158.8 arc sec from the BAT position.
Found 17 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
299.9344 35.3437 19.4 -1 USNO-B1 19.32 99.99 99.99
299.9248 35.3408 16.7 -1 USNO-B1 17.13 99.99 99.99
299.9324 35.3463 14.5 -1 USNO-B1 16.05 99.99 99.99
299.9303 35.3486 15.9 -1 USNO-B1 16.36 11.10 13.44 *
299.9249 35.3463 10.6 -1 USNO-B1 18.17 12.38 14.95 *
299.9261 35.3495 18.3 -1 USNO-B1 99.99 14.32 99.99
299.9318 35.3413 16.6 -1 GSC2.3 19.45 99.99 99.99
299.9299 35.3407 15.4 -1 GSC2.3 20.31 99.99 99.99
299.9344 35.3436 19.4 -1 GSC2.3 17.12 99.99 99.99
299.9248 35.3407 16.8 -1 GSC2.3 16.39 99.99 99.99
299.9324 35.3463 14.5 -1 GSC2.3 99.99 99.99 99.99
299.9292 35.3467 8.3 -1 GSC2.3 99.99 99.99 99.99 *
299.9295 35.3479 12.6 -1 GSC2.3 99.99 99.99 99.99 *
299.9220 35.3421 19.6 -1 GSC2.3 17.71 99.99 99.99
299.9306 35.3486 16.2 -1 GSC2.3 99.99 99.99 99.99
299.9247 35.3463 11.1 -1 GSC2.3 17.94 99.99 99.99 *
299.9266 35.3495 17.9 -1 GSC2.3 18.24 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 2 in the list of sources is a candidate afterglow for 1216911_g319 with genie
ra=299.91380 (19:59:39.31) dec=35.34202 (+35:20:31.3) +/- 0.8" mag=14.80+/-0.15
dist=71.5 REFID=3 major=3.2 minor=1.8 flag=19 (neighbor+blended+aperture_incomplete)
*** The position of this source is inconsistent with the XRT position.
The position is 201.3 arc sec from the BAT position.
This source is near the edge of image (0.852)
Found 15 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
299.9164 35.3448 12.5 -1 USNO-B1 99.99 14.30 99.99 *
299.9132 35.3435 5.5 -1 USNO-B1 99.99 17.04 99.99 *
299.9145 35.3461 14.7 -1 USNO-B1 17.00 15.69 16.27 *
299.9138 35.3464 15.9 -1 USNO-B1 17.03 99.99 99.99 *
299.9076 35.3417 18.3 -1 USNO-B1 17.69 16.84 17.22 *
299.9176 35.3436 12.5 -1 GSC2.3 19.96 20.03 99.99 *
299.9164 35.3446 12.1 -1 GSC2.3 18.80 19.99 99.99 *
299.9122 35.3385 13.5 -1 GSC2.3 19.35 20.02 99.99 *
299.9146 35.3456 13.3 -1 GSC2.3 17.71 18.28 99.99 *
299.9130 35.3434 5.6 -1 GSC2.3 19.53 19.82 99.99 *
299.9135 35.3466 16.5 -1 GSC2.3 18.02 18.87 99.99 *
299.9101 35.3391 14.9 -1 GSC2.3 19.79 20.22 99.99 *
299.9107 35.3448 13.7 -1 GSC2.3 19.66 19.90 99.99 *
299.9095 35.3439 14.1 -1 GSC2.3 19.68 20.08 99.99 *
299.9075 35.3417 18.5 -1 GSC2.3 17.98 18.63 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 1216911_g319 with genie
ra=299.91448 (19:59:39.48) dec=35.33808 (+35:20:17.1) +/- 0.8" mag=14.89+/-0.15
dist=65.6 REFID=4 major=2.3 minor=1.3 flag=3 (neighbor+blended)
*** The position of this source is inconsistent with the XRT position.
The position is 202.6 arc sec from the BAT position.
This source is near the edge of image (0.873)
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
299.9123 35.3337 16.9 -1 USNO-B1 16.58 13.71 14.98 *
299.9132 35.3435 19.8 -1 USNO-B1 99.99 17.04 99.99 *
299.9105 35.3352 15.6 -1 USNO-B1 15.96 99.99 99.99 *
299.9169 35.3354 11.8 -1 GSC2.3 20.30 20.40 99.99 *
299.9124 35.3336 17.1 -1 GSC2.3 15.42 17.17 99.99 *
299.9122 35.3385 7.0 -1 GSC2.3 19.35 20.02 99.99 *
299.9130 35.3434 19.8 -1 GSC2.3 19.53 19.82 99.99 *
299.9104 35.3352 15.9 -1 GSC2.3 15.97 16.69 99.99 *
299.9101 35.3391 13.4 -1 GSC2.3 19.79 20.22 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 4 in the list of sources is a candidate afterglow for 1216911_g319 with genie
ra=299.92852 (19:59:42.84) dec=35.34164 (+35:20:29.9) +/- 0.8" mag=16.20+/-0.17
dist=34.3 REFID=5 major=3.0 minor=1.3 flag=0
*** The position of this source is inconsistent with the XRT position.
The position is 159.4 arc sec from the BAT position.
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
299.9274 35.3375 15.2 -1 USNO-B1 16.21 99.99 99.99
299.9344 35.3437 18.7 -1 USNO-B1 19.32 99.99 99.99
299.9248 35.3373 19.1 -1 USNO-B1 17.39 99.99 99.99
299.9248 35.3408 11.3 -1 USNO-B1 17.13 99.99 99.99 *
299.9249 35.3463 19.9 -1 USNO-B1 18.17 12.38 14.95
299.9318 35.3379 16.5 -1 GSC2.3 99.99 99.99 99.99
299.9318 35.3413 9.6 -1 GSC2.3 19.45 99.99 99.99 *
299.9299 35.3407 5.2 -1 GSC2.3 20.31 99.99 99.99 *
299.9274 35.3374 15.5 -1 GSC2.3 99.99 99.99 99.99
299.9344 35.3436 18.5 -1 GSC2.3 17.12 99.99 99.99
299.9247 35.3375 18.7 -1 GSC2.3 99.99 99.99 99.99
299.9248 35.3407 11.5 -1 GSC2.3 16.39 99.99 99.99 *
299.9292 35.3467 18.4 -1 GSC2.3 99.99 99.99 99.99
299.9220 35.3421 19.1 -1 GSC2.3 17.71 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 5 in the list of sources is a candidate afterglow for 1216911_g319 with genie
ra=299.91669 (19:59:40.01) dec=35.34080 (+35:20:26.9) +/- 0.8" mag=15.78+/-0.16
dist=62.0 REFID=6 major=2.4 minor=2.2 flag=3 (neighbor+blended)
*** The position of this source is inconsistent with the XRT position.
The position is 193.9 arc sec from the BAT position.
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
299.9164 35.3448 14.4 -1 USNO-B1 99.99 14.30 99.99
299.9132 35.3435 14.1 -1 USNO-B1 99.99 17.04 99.99
299.9220 35.3421 16.3 -1 GSC2.3 17.71 99.99 99.99
299.9169 35.3354 19.3 -1 GSC2.3 20.30 20.40 99.99
299.9176 35.3436 10.4 -1 GSC2.3 19.96 20.03 99.99 *
299.9164 35.3446 13.8 -1 GSC2.3 18.80 19.99 99.99
299.9122 35.3385 15.6 -1 GSC2.3 19.35 20.02 99.99
299.9146 35.3456 18.5 -1 GSC2.3 17.71 18.28 99.99
299.9130 35.3434 14.3 -1 GSC2.3 19.53 19.82 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 13 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
299.9342 35.3367 10.0 -1 USNO-B1 18.93 8.01 12.86
299.9404 35.3370 14.6 -1 USNO-B1 99.99 10.41 99.99
299.9322 35.3365 14.0 -1 USNO-B1 15.27 99.99 99.99
299.9427 35.3361 19.3 -1 USNO-B1 16.80 99.99 99.99
299.9328 35.3315 15.5 -1 USNO-B1 18.35 99.99 99.99
299.9352 35.3361 6.6 -1 GSC2.3 99.99 99.99 99.99
299.9354 35.3389 15.6 -1 GSC2.3 99.99 99.99 99.99
299.9350 35.3388 15.7 -1 GSC2.3 99.99 99.99 99.99
299.9323 35.3363 13.7 -1 GSC2.3 99.99 99.99 99.99
299.9428 35.3360 19.5 -1 GSC2.3 99.99 99.99 99.99
299.9318 35.3379 18.1 -1 GSC2.3 99.99 99.99 99.99
299.9324 35.3312 16.9 -1 GSC2.3 99.99 99.99 99.99
299.9298 35.3356 19.8 -1 GSC2.3 20.09 99.99 99.99
The closest star is 6.56" away.
List UVOT sources within 20" of the XRT position:
There are 11107.646 counts in the bkg source region of 6292.0000 pixels.
Rate in bkg region from 0 to 45 arcsec is 1.765 counts/pixel (5-sig UL in 4" is 17.70 mag) for 1216911_g319
There are 369.25534 counts in the xrt source region of 199.00000 pixels.
Rate in xrt region with 8 arcsec radius is 1.856 counts/pixel for 1216911_g319
There are 2239.3040 counts in the xrt_bkg source region of 1250.0000 pixels.
Rate in xrt_bkg region from 15 to 25 arcsec is 1.791 counts/pixel (5-sig UL in 4" is 17.69 mag) for 1216911_g319
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 18.25, 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: 1216911_730340159_240223d00h24m58s588245usUT_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(299.9400,35.3325,45")
fk5;-circle(299.928519557148,35.3416384867346,6")
Region file: 1216911_730340159_240223d00h24m58s588245usUT_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(299.9364,+35.3346,8")
Region file: 1216911_730340159_240223d00h24m58s588245usUT_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(299.9364,+35.3346,25")
fk5;-circle(299.9364,+35.3346,15")
image paragraph message for exposure 2 of trigger 1216911
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.
WARNING -- because of the LARGE EXTINCTION, results should be used cautiously.
------ Start for Possible Stand-alone Circular ----
In response to GRB240223 (Swift/BAT trigger 1216911) at 00:10:39 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of 26 seconds with the U filter starting
287 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. Data from the list of sources generated on-board
are not available at this time. No correction has been made for the large, but
uncertain, extinction expected.
------- notes for trigger 1216911 ------
uvot_gcn_auto.pl vrs. 2023-03-28 fem at 240223d00h24m59s764006usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=1216911
-expid=730340159 -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/1216911/
Links to data for all triggers can be found at
http://heasarc.gsfc.nasa.gov/docs/swift/uvot_tdrss/
Unreliable extinction found for bat position. Unreliable extinction found for
xrt position. XRT position found for Genie image. BAT position found.
UVOT exposure began at MET 730340159.15898 or about 2024:054:00:15:54 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 8 source(s) in Genie image catalog. Found 8 Genie image source(s) without
IDs. There are 0 good candidate(s) in the Genie image catalog. Good candidates
must be brighter than 18.25 mag. Found 438 stars in largest star catalog for
Genie image region. The stars will eliminate afterglows from about 59% of the
Genie image region. The closest Genie source has ra= 299.9285 dec= 35.3416
mag=16.20 sep=34.32".
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?
730340159 287 ? srclist data are not available.
730340159 287 U image found no candidates.
List afterglow candidates for other finding charts.
730340000 128 ? srclist data are not available.
730340000 128 WHITE image found no candidates.
------- Tokens for Quick GCN -------