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Swift Trigger: 1014316

Presumed name: GRB 201223A

Back to trigger list.

BAT 08h 51m 23.76s, +71° 10′ 26.4″
position:(132.849, +71.174 ± 180″)
XRT 08h 51m 09.46s, +71° 10′ 46.2″
position:(132.7894, 71.1795 ± 2.2″)
UVOT 08h 51m 09.50s, +71° 10′ 47.3″
position:(132.7896, +71.1798 ± 0.6″)
Galactic NHI:2.73×100 cm-2
Galactic E(B-V):0.043 mag
Best RA:08h 51m 09.50s= 132.7896 d
Best Dec:+71° 10′ 47.3″= +71.1798 d
Gal Lat:35.09
Gal Long:142.91
Sun angle:126.95°, 9.3 hr West

1Sper #4 auto processing.

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

No UVOT images are currently available.


SPER results page for this trigger.

Image of the SPER data

There are 8 SPER messages, and 1 objects have been found

See the SPER page for details of how this position was produced.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.1′′132.7896371.17983GCN #29177GRB 201223A: Swift/UVOT DetectionVizier logo
0.1′′132.7896371.17983GCN #29158GRB 201223A: Swift detection of a burst with a bright optical counterpartVizier logo
0.4′′132.7894271.17972GCN #29165GRB 201223A: iTelescope optical afterglow observationsVizier logo
1.6′′132.7883371.17994GCN #29157Swift GRB201223.75: Global MASTER-Net OT detectionVizier logo
2.2′′132.7901771.17923GCN #29170GRB 201223A: Enhanced Swift-XRT positionVizier logo
64.9′′132.7350071.17600GCN #29163GRB 201223A: Swift-BAT refined analysisVizier logo
72.1′′132.8490071.17400GCN #29156Swift GRB201223.75: Global MASTER-Net observations report Vizier logo
247.6′′132.5893671.20356GCN #29166GRB 201223A: GWAC-F60A optical afterglow observationsVizier logo

There are 14 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ around XRT position

Click on the distance to view the full details (not available for sources from the SSS catalogue). Click on the column headers to sort the table on that column (click again to invert sort order).


RA*Dec*SIMBAD name Query
128.4132.696171.1987TYC 4378-363-1B=12.92, G=12.1761, H=10.698, J=11.035, K=10.646, V=11.89Query vizier around this object
141.6132.821271.2175TYC 4378-2165-1B=12.55, G=11.7771, H=10.408, J=10.733, K=10.361, V=11.88Query vizier around this object

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.


RA*Dec*Redshift CatalogueQuery
23.2132.778371.1744NEDQuery vizier around this object
27.8132.772571.1853NEDQuery vizier around this object
28.0132.808371.1847NEDQuery vizier around this object
29.5132.801271.1869NEDQuery vizier around this object
31.9132.762171.1789NEDQuery vizier around this object
34.6132.760871.1822NEDQuery vizier around this object
34.7132.795971.1701B=21.0, R=19.0APM-NQuery vizier around this object
35.0132.760671.1824B=20.8, R=17.9APM-NQuery vizier around this object
35.5132.795271.1698B2=20.5, R2=20.4USNO-B1Query vizier around this object
37.3132.816871.1741B=21.2, R=20.0APM-NQuery vizier around this object


There are 210 galaxies within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example


RA*Dec* CatalogueQuery
31.4132.762571.1789B1=21.1, B2=21.1, I=18.6, R1=19.3, R2=19.6USNO-B1Query vizier around this object
34.8132.760771.1823B1=20.8, B2=20.1, I=18.0, R1=18.6, R2=18.6USNO-B1Query vizier around this object
35.0132.795771.1700B1=20.7, B2=20.4, I=18.8, R1=19.7, R2=19.5USNO-B1Query vizier around this object
60.4132.796371.1629B2=20.7, R1=20.1, R2=19.8USNO-B1Query vizier around this object
60.9132.745771.1701B1=18.8, B2=17.8, I=15.8, R1=16.2, R2=16.2USNO-B1Query vizier around this object
61.2132.745771.1700h=14.1, j=14.8, k=14.02MASSQuery vizier around this object
61.8132.780671.1626B1=20.8, B2=20.4, I=17.7, R1=18.7, R2=18.2USNO-B1Query vizier around this object
62.4132.779971.1624h=15.8, j=16.7, k=15.12MASSQuery vizier around this object
63.0132.807171.1630B1=21.0, B2=20.9, I=18.7, R1=19.7, R2=19.5USNO-B1Query vizier around this object
64.1132.751571.1666B1=20.6, B2=20.2, I=18.7, R1=18.8, R2=18.5USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 94 stars within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example.