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Swift Trigger: 1199764

Presumed name: GRB 231129A

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BAT 21h 10m 08.64s, +41° 32′ 38.4″
position:(317.536, +41.544 ± 180″)
XRT 21h 10m 10.95s, +41° 31′ 14.5″
position:(317.54561, 41.52070 ± 3.8″)
UVOT No position available.
Galactic NHI:4.45×1021 cm-2
Galactic E(B-V):1.087 mag
Best RA:21h 10m 10.95s= 317.54561 d
Best Dec:+41° 31′ 14.5″= 41.52070 d
Gal Lat:-4.41
Gal Long:84.8
Sun angle:92.19°, -4.9 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 2 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
189.0317.533441.4690TYC 3177-1360-1B=12.32, G=11.753947, H=10.377, J=10.531, K=10.274, V=12.05Query 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
3.9317.545441.5197NEDQuery vizier around this object
11.2317.541741.5217NEDQuery vizier around this object
11.8317.541541.5218I=17.4, R1=18.2, R2=18.9USNO-B1Query vizier around this object
14.3317.541741.5233NEDQuery vizier around this object
15.5317.540841.5233NEDQuery vizier around this object
19.4317.544241.5261NEDQuery vizier around this object
21.1317.544641.5150NEDQuery vizier around this object
22.6317.547141.5269NEDQuery vizier around this object
24.2317.548841.5144NEDQuery vizier around this object
25.4317.553841.5242NEDQuery vizier around this object


There are 528 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
3.4317.545341.5198B1=19.5, B2=19.2, I=16.2, R1=16.7, R2=17.3USNO-B1Query vizier around this object
3.9317.545441.5196h=14.6, j=15.0, k=14.32MASSQuery vizier around this object
11.1317.541741.5217h=15.7, j=16.4, k=14.92MASSQuery vizier around this object
14.4317.541841.5235h=16.0, j=16.7, k=15.32MASSQuery vizier around this object
14.6317.541741.5235I=18.3, R1=18.6, R2=19.0USNO-B1Query vizier around this object
19.4317.544441.5260h=13.7, j=14.4, k=13.72MASSQuery vizier around this object
19.6317.544441.5261B1=18.1, B2=17.9, I=15.0, R1=15.4, R2=15.7USNO-B1Query vizier around this object
20.9317.544641.5150B1=20.1, B2=19.6, I=15.9, R1=16.9, R2=17.5USNO-B1Query vizier around this object
21.1317.544641.5149h=13.8, j=14.5, k=13.52MASSQuery vizier around this object
22.6317.547141.5269B1=17.9, B2=17.8, I=14.6, R1=15.2, R2=15.8USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 546 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.