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Swift Trigger: 1200812

Presumed name: GRB 231205B

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BAT 03h 36m 36.96s, +27° 08′ 45.6″
position:(54.154, 27.146 ± 180″)
XRT 03h 36m 35.77s, +27° 08′ 26.1″
position:(54.14905, 27.14058 ± 3.5″)
UVOT No position available.
Galactic NHI:9.39×1020 cm-2
Galactic E(B-V):0.181 mag
Best RA:03h 36m 35.77s= 54.14905 d
Best Dec:+27° 08′ 26.1″= 27.14058 d
Gal Lat:-22.77
Gal Long:162.49
Sun angle:163.54°, -10.8 hr East of Sun

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 3 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

Catalogue Searches. Searched 200′ 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

* 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
20.154.153327.1447NEDQuery vizier around this object
25.254.141227.1403B=19.3, R=18.4APM-NQuery vizier around this object
25.854.140827.1406NEDQuery vizier around this object
27.154.157527.1403NEDQuery vizier around this object
27.454.140827.1428NEDQuery vizier around this object
38.554.158327.1336NEDQuery vizier around this object
38.754.147927.1514NEDQuery vizier around this object
41.054.159327.1338B=21.1, R=20.0APM-NQuery vizier around this object
43.554.162127.1431NEDQuery vizier around this object
45.754.161127.1338I=18.8, R1=19.0, R2=19.6USNO-B1Query vizier around this object


There are 211 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
25.654.141127.1403B1=19.7, B2=19.8, I=18.2, R1=19.0, R2=19.0USNO-B1Query vizier around this object
38.754.148027.1513h=14.9, j=15.6, k=14.92MASSQuery vizier around this object
38.854.148027.1513B1=18.9, B2=18.9, I=16.2, R1=16.8, R2=17.1USNO-B1Query vizier around this object
41.454.159327.1336B1=20.8, B2=20.3, R1=19.8, R2=19.4USNO-B1Query vizier around this object
45.654.158627.1500B1=21.0, R2=19.8USNO-B1Query vizier around this object
47.654.163927.1394I=18.8, R1=19.3, R2=19.9USNO-B1Query vizier around this object
52.154.147927.1550h=15.4, j=15.8, k=15.02MASSQuery vizier around this object
53.054.164027.1343h=16.1, j=16.7, k=16.42MASSQuery vizier around this object
54.054.165327.1367B2=20.9, R1=19.6, R2=19.8USNO-B1Query vizier around this object
54.554.163527.1326B1=21.1, B2=20.4, I=18.6, R1=19.4, R2=19.2USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 127 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.