srclist overlap message for exposure 1 of trigger 890732
uvot_overlap.pl vrs. 2010-12-20b fem started at 190226d06h25m54s867213usUT
The observation of trigger 890732 started 2019-02-26T06:21:47.3
Examining file 890732_g537_uvot_sky_srclist.fits
The exposure ID is 572854907
The exposure time is undefined.
The filter is WHITE.
The uvot region is centered at (247.8233,-47.7920) with a roll angle of 96.8
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 (247.8210,-47.7920) with a radius of 3.000 arc min
This is 0.094 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 (247.8173,-47.8066) with a radius of 0.087 arc min
This is 0.909 arc min from the center of the uvot region
The area of the XRT error circle is 0.024 sq. arc min
The UVOT/XRT overlap is 0.024 sq. arc min or 1.00 of the XRT error circle
srclist afterglow message for exposure 1 of trigger 890732
find_uvot_ag.pl vrs. 2017-02-17 fem started at 190226d06h25m56s032561usUT
Observation start time is 2019-02-26T06:21:47.3
Examining file 890732_g537_uvot_catalog_srclist.fits
The exposure ID is 572854907
The exposure is 150.000 sec.
The bin size is 2 pixels
The filter is WHITE
There are 190 detected source(s) for 890732_g537
*** 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 890732_g537 has mag 18.79
Aspect correction adds -0.00061 degrees (-0.147 sec of time = -1.48 arc sec) to RA
Aspect correction adds -0.00013 degrees (-0.46 arcsec) to Dec
Total aspect correction is 1.55 arcsec
Star catalogs centered at 247.8191 , -47.7918 with radius 6.13 arc min.
n_usno: 2364 n_gsc: 0
*** WARNING -- bright star catalog has 6 entries brighter than 12 mag
The brightest has mag 10.952
RA DEC Mag Color
bright star 0: 247.76332 (16:31:03.20) -47.79031 (-47:47:25.1) 11.64 USNO-V
bright star 1: 247.75635 (16:31:01.52) -47.75292 (-47:45:10.5) 11.55 USNO-V
bright star 2: 247.91489 (16:31:39.57) -47.80216 (-47:48:07.8) 10.95 USNO-V
bright star 3: 247.69070 (16:30:45.77) -47.82853 (-47:49:42.7) 11.89 USNO-V
bright star 4: 247.72314 (16:30:53.55) -47.71556 (-47:42:56.0) 11.78 USNO-V
bright star 5: 247.88286 (16:31:31.89) -47.70052 (-47:42:01.9) 11.10 USNO-V
Mean distance difference (CAT_DELTA) for 187 matched entries is 0.869" for 890732_g537
Mean and std. dev of mag. difference (MAG_DELTA) are 2.067 and 0.595 for 890732_g537
Found 16 entries without IDs and 8 entries that are acceptable afterglow candidates for 890732_g537.
Acceptable entries have no ID, XRT distances < 13", and are > 0.8*(80 - 10*(mag-6))" from any bright star
from any bright star and >21.6" from other rejected sources.
1 sources matched bright stars.
Magnitude criteria will be applied later.
BAT distances are from RA=247.8210 (16:31:17.04) DEC=-47.7920 (-47:47:31.2)
XRT distances are from RA=247.8173 (16:31:16.15) DEC=-47.8066 (-47:48:23.8)
-----------------
Entry 26 in the list of sources is a candidate afterglow for 890732_g537 with 3x3 stamp
ra=247.81422 (16:31:15.41) dec=-47.83552 (-47:50:07.9) +/- 1.1" mag=16.42+/-0.35
dist=104.4 REFID=25
*** The position of this source is inconsistent with the XRT position.
The position is 157.5 arc sec from the BAT position.
src: 26 srclist_match has ID
src: 26 distr. of nearby unmatched sources: 1 0 0 0 1
Found 9 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
247.8140 -47.8335 7.2 -1 USNO-B1 18.58 16.76 17.57
247.8160 -47.8342 6.6 -1 USNO-B1 16.74 14.04 15.24
247.8137 -47.8353 1.4 -1 USNO-B1 15.33 14.09 14.64 *
247.8211 -47.8371 17.6 -1 USNO-B1 20.01 18.13 18.96
247.8119 -47.8383 11.4 -1 USNO-B1 99.99 18.83 99.99
247.8093 -47.8382 15.3 -1 USNO-B1 17.64 15.18 16.27
247.8119 -47.8389 13.4 -1 USNO-B1 19.92 18.09 18.91
247.8081 -47.8387 18.7 -1 USNO-B1 16.61 13.88 15.09
247.8149 -47.8393 13.7 -1 USNO-B1 17.69 17.81 17.76
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 33 in the list of sources is a candidate afterglow for 890732_g537 with 3x3 stamp
ra=247.80715 (16:31:13.72) dec=-47.83874 (-47:50:19.5) +/- 1.1" mag=17.53+/-0.35
dist=118.3 REFID=86
*** The position of this source is inconsistent with the XRT position.
The position is 171.6 arc sec from the BAT position.
src: 33 distr. of nearby unmatched sources: 0 0 0 1 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
247.8050 -47.8343 16.7 -1 USNO-B1 18.64 16.88 17.66
247.8119 -47.8383 11.6 -1 USNO-B1 99.99 18.83 99.99
247.8093 -47.8382 5.6 -1 USNO-B1 17.64 15.18 16.27
247.8119 -47.8389 11.5 -1 USNO-B1 19.92 18.09 18.91
247.8081 -47.8387 2.3 -1 USNO-B1 16.61 13.88 15.09 *
247.8149 -47.8393 18.8 -1 USNO-B1 17.69 17.81 17.76
247.8067 -47.8414 9.7 -1 USNO-B1 17.83 16.27 16.97
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 36 in the list of sources is a candidate afterglow for 890732_g537 with 1x1 stamp
ra=247.77051 (16:31:04.92) dec=-47.81860 (-47:49:07.0) +/- 1.1" mag=18.41+/-0.35
dist=121.1 REFID=145
*** The position of this source is inconsistent with the XRT position.
The position is 155.2 arc sec from the BAT position.
src: 36 srclist_match has ID
src: 36 distr. of nearby unmatched sources: 0 0 0 0 0
Found 10 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
247.7730 -47.8138 18.4 -1 USNO-B1 20.63 17.32 18.79
247.7740 -47.8170 10.2 -1 USNO-B1 18.15 17.82 17.97
247.7706 -47.8155 11.3 -1 USNO-B1 20.57 18.59 19.47
247.7686 -47.8162 9.7 -1 USNO-B1 19.32 16.56 17.79
247.7709 -47.8183 1.3 -1 USNO-B1 16.97 14.20 15.43 *
247.7700 -47.8182 2.0 -1 USNO-B1 16.93 99.99 99.99 *
247.7697 -47.8180 2.9 -1 USNO-B1 15.76 13.95 14.75 *
247.7727 -47.8210 10.3 -1 USNO-B1 18.38 17.61 17.95
247.7673 -47.8171 9.4 -1 USNO-B1 18.75 15.79 17.10
247.7702 -47.8210 8.6 -1 USNO-B1 20.24 17.97 18.98
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 890732_g537 with 1x1 stamp
ra=247.85344 (16:31:24.83) dec=-47.83076 (-47:49:50.7) +/- 1.1" mag=18.55+/-0.35
dist=123.3 REFID=179
*** The position of this source is inconsistent with the XRT position.
The position is 160.1 arc sec from the BAT position.
src: 38 srclist_match has ID
src: 38 distr. of nearby unmatched sources: 1 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
247.8487 -47.8271 17.5 -1 USNO-B1 17.21 17.17 17.19
247.8502 -47.8272 15.0 -1 USNO-B1 17.76 15.73 16.63
247.8509 -47.8272 14.2 -1 USNO-B1 17.41 16.62 16.97
247.8460 -47.8290 19.2 -1 USNO-B1 19.15 17.13 18.03
247.8503 -47.8281 12.1 -1 USNO-B1 17.55 17.58 17.57
247.8487 -47.8289 13.3 -1 USNO-B1 19.93 17.56 18.61
247.8509 -47.8294 7.8 -1 USNO-B1 16.49 14.73 15.51
247.8495 -47.8306 9.5 -1 USNO-B1 19.96 17.71 18.71
247.8525 -47.8304 2.7 -1 USNO-B1 99.99 14.26 99.99 *
247.8489 -47.8326 12.9 -1 USNO-B1 18.32 16.66 17.40
247.8538 -47.8313 2.0 -1 USNO-B1 17.31 14.96 16.00 *
247.8533 -47.8343 12.6 -1 USNO-B1 15.78 14.52 15.08
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 68 in the list of sources is a candidate afterglow for 890732_g537 with 1x1 stamp
ra=247.87252 (16:31:29.40) dec=-47.82656 (-47:49:35.6) +/- 1.1" mag=18.51+/-0.35
dist=151.6 REFID=173
*** The position of this source is inconsistent with the XRT position.
The position is 176.0 arc sec from the BAT position.
src: 68 distr. of nearby unmatched sources: 0 0 0 0 0
Found 10 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
247.8666 -47.8244 16.2 -1 USNO-B1 15.55 14.16 14.78
247.8736 -47.8211 20.0 -1 USNO-B1 99.99 18.73 99.99
247.8728 -47.8260 2.1 -1 USNO-B1 16.87 14.72 15.68 *
247.8740 -47.8267 3.6 -1 USNO-B1 17.92 17.21 17.53 *
247.8772 -47.8262 11.5 -1 USNO-B1 17.57 15.91 16.65
247.8780 -47.8263 13.4 -1 USNO-B1 17.17 15.41 16.19
247.8788 -47.8260 15.2 -1 USNO-B1 17.55 15.82 16.59
247.8744 -47.8306 15.1 -1 USNO-B1 17.32 17.52 17.43
247.8792 -47.8289 18.2 -1 USNO-B1 99.99 17.99 99.99
247.8800 -47.8283 19.2 -1 USNO-B1 19.96 17.62 18.66
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 103 in the list of sources is a candidate afterglow for 890732_g537 with 1x1 stamp
ra=247.89804 (16:31:35.53) dec=-47.81089 (-47:48:39.2) +/- 1.1" mag=17.78+/-0.35
dist=195.8 REFID=151
*** The position of this source is inconsistent with the XRT position.
The position is 198.3 arc sec from the BAT position.
src: 103 distr. of nearby unmatched sources: 0 2 0 0 0
Found 10 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
247.8915 -47.8093 16.8 -1 USNO-B1 18.96 17.29 18.03
247.8955 -47.8099 6.9 -1 USNO-B1 18.19 16.38 17.18
247.8981 -47.8062 16.9 -1 USNO-B1 99.99 17.36 99.99
247.8987 -47.8058 18.5 -1 USNO-B1 16.57 15.01 15.70
247.8943 -47.8145 15.8 -1 USNO-B1 18.78 16.87 17.72
247.8992 -47.8108 2.8 -1 USNO-B1 15.65 99.99 99.99 *
247.8996 -47.8108 3.7 -1 USNO-B1 15.17 13.21 14.08 *
247.9002 -47.8106 5.4 -1 USNO-B1 16.79 99.99 99.99
247.9016 -47.8119 9.3 -1 USNO-B1 20.10 17.51 18.66
247.9017 -47.8149 16.9 -1 USNO-B1 18.60 16.76 17.57
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 141 in the list of sources is a candidate afterglow for 890732_g537 with 1x1 stamp
ra=247.88873 (16:31:33.29) dec=-47.76336 (-47:45:48.1) +/- 1.1" mag=17.45+/-0.35
dist=232.6 REFID=136
*** The position of this source is inconsistent with the XRT position.
The position is 193.6 arc sec from the BAT position.
src: 141 distr. of nearby unmatched sources: 0 0 0 0 0
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
247.8841 -47.7627 11.4 -1 USNO-B1 18.02 17.29 17.61
247.8839 -47.7608 14.9 -1 USNO-B1 16.87 15.26 15.97
247.8897 -47.7629 3.0 -1 USNO-B1 14.38 13.15 13.70 *
247.8907 -47.7626 5.4 -1 USNO-B1 14.90 13.64 14.20
247.8960 -47.7653 19.0 -1 USNO-B1 15.49 13.41 14.34
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
-----------------
Entry 157 in the list of sources is a candidate afterglow for 890732_g537 with 1x1 stamp
ra=247.82130 (16:31:17.11) dec=-47.73674 (-47:44:12.2) +/- 1.1" mag=17.90+/-0.35
dist=251.7 REFID=170
*** The position of this source is inconsistent with the XRT position.
The position is 199.0 arc sec from the BAT position.
src: 157 distr. of nearby unmatched sources: 0 1 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
247.8245 -47.7401 14.3 -1 USNO-B1 99.99 18.24 99.99
247.8266 -47.7394 15.9 -1 USNO-B1 19.85 17.70 18.65
247.8225 -47.7381 5.5 -1 USNO-B1 17.25 16.59 16.88
247.8264 -47.7379 13.0 -1 USNO-B1 20.34 17.98 19.03
247.8233 -47.7377 6.0 -1 USNO-B1 17.60 17.19 17.37
247.8141 -47.7375 17.7 -1 USNO-B1 15.01 12.18 13.44 *
247.8186 -47.7371 6.6 -1 USNO-B1 99.99 14.29 99.99
247.8248 -47.7370 8.4 -1 USNO-B1 18.22 18.58 18.42
247.8202 -47.7364 2.8 -1 USNO-B1 15.35 13.54 14.34 *
247.8133 -47.7361 19.6 -1 USNO-B1 18.22 15.63 16.78
247.8208 -47.7357 4.1 -1 USNO-B1 14.70 16.13 15.50
247.8231 -47.7354 6.6 -1 USNO-B1 18.94 17.25 18.00
247.8144 -47.7343 19.0 -1 USNO-B1 18.09 15.52 16.66
Due to star catalog entries marked with *, this is probably NOT the afterglow
These entries are within 4" or brighter than 13 mag
Found 3 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
247.8178 -47.8059 2.7 -1 USNO-B1 19.38 17.61 18.39
247.8147 -47.8071 6.6 -1 USNO-B1 18.69 16.98 17.74
247.8154 -47.8073 5.3 -1 USNO-B1 17.83 17.76 17.79
The closest star is 2.70" 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 < 13",
are > ~(80 - 10*(mag-6))" from any bright star, and have had duplicates removed.
SUMMARY: 0 good candidate(s) found.
Region file: /Home/eud/uvot_tdrss/swift/uvot_gcn/src_890732_XRT.reg
# Region file format: DS9 version 3.0
# find_uvot_ag.pl vrs. 2017-02-17 fem XRT
global font="helvetica 12 bold" select=1 edit=1 move=1 delete=1 include=1 fixed=0 source=1
fk5;circle(247.8173,-47.8066,5.2") # color=red dash=0
point(247.81669,-47.80673) # point=diamond 10 color=red width=2
srclist paragraph message for exposure 1 of trigger 890732
THIS MESSAGE IS *NOT* READY FOR DISTRIBUTION.
MORE ANALYSIS IS REQUIRED TO DETERMINE WHETHER THERE IS AN AFTERGLOW CANDIDATE.
IMAGE PROBLEM: no image afterglow info
SRCLIST PROBLEM: high density of stars, 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 GRB190226 (Swift/BAT trigger 890732) at 06:12:49 UT,
---- UVOT paragraph for Joint or Stand-alone Circular ----
UVOT took a finding chart exposure of nominal 150.000 seconds with the White
filter starting 515 seconds after the BAT trigger. No credible afterglow
candidate has been found in the initial data products. Data from the 2.7'x2.7'
sub-image are not available at this time. The 8'x8' region for the list of
sources generated on-board covers 100% of the XRT error circle. Because of the
density of catalogued stars, further analysis is required to report an upper
limit for any afterglow in the region. No correction has been made for the
large, but uncertain, extinction expected.
------- notes for trigger 890732 ------
uvot_gcn_auto.pl vrs. 2016-09-07 fem at 190226d06h26m03s049464usUT
Command line: /Home/eud/uvot_tdrss/perl/uvot_gcn_auto.pl -trig=890732
-expid=572854907 -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/890732/
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.
*** Warning -- no exposure found, using srclist assumed value.
XRT position found for srclist. BAT position found.
UVOT exposure began at MET 572854907.2637 or about 2019:057:06:21:42 UT
Found 2360 stars in largest star catalog for srclist region. The stars will
eliminate afterglows from about 43% of the srclist region. Found 190 sources in
srclist catalog. WARNING -- srclist catalog buffer filled. Found 16 srclist
source(s) without IDs. There are 0 good candidate(s) in the srclist catalog.
Good candidates must be brighter than 19.22 mag.
The number of srclist sources filled the available telemetry. The weakest
source detected was 18.79 mag. The closest srclist source has ra= 247.8285 dec=
-47.8143 mag=16.81 sep=38.90".
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?
572854907 515 WHITE srclist found no candidates.
572854907 515 ? image data are not available.
List afterglow candidates for other finding charts.
------- Tokens for Quick GCN -------