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Swift Trigger: 1088940

Presumed name: GRB 211211A

Back to trigger list.

BAT 14h 09m 05.28s, +27° 53′ 02.4″
position:(212.272, +27.884 ± 180″)
XRT 14h 09m 09.89s, +27° 53′ 23.6″
position:(212.2912, 27.8899 ± 5.0″)
UVOT No position available.
Galactic NHI:1.66×1020 cm-2
Galactic E(B-V):0.018 mag
Best RA:14h 09m 09.89s= 212.2912 d
Best Dec:+27° 53′ 23.6″= 27.8899 d
Gal Lat:72.77
Gal Long:39.96
Sun angle:67.66°, 3.1 hr West

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.

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′212.2912027.88990GCN #31202GRB 211211A: Swift detection of a bright burstVizier logo
5.5′′212.2920227.88857GCN #31205GRB 211211A: Enhanced Swift-XRT positionVizier logo
6.0′′212.2920427.88840GCN #31203GRB 211211A: KAIT Optical Afterglow CandidateVizier logo
6.3′′212.2921727.88836GCN #31221GRB 211211A: NOT optical spectroscopyVizier logo
33.9′′212.2868527.89849GCN #31233GRB 211211A: AbAO optical observationsVizier logo
33.9′′212.2868327.89849GCN #31234GRB 211211A: SAO RAS optical observationsVizier logo
64.7′′212.2720027.88400GCN #31209GRB 211211A: Swift-BAT refined analysisVizier logo

There are 22 matches in total. See the full table for details.

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
85.5212.300227.8675NVSS J140912+275205g=21.1123, i=20.8607, r=20.8367, u=22.051, z=20.589Query vizier around this object
173.7212.325027.8520[DSL2000] 1407+281Query 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
3.9212.290227.8905I=19.5, R2=19.7USNO-B1Query vizier around this object
4.3212.290027.89060.458687Mag=21.7NEDQuery vizier around this object
4.3212.290027.8905R=20.9, g=22.3, i=20.0, u=25.1, z=19.6SDSSQuery vizier around this object
7.9212.288927.8908B2=19.5, R2=20.0USNO-B1Query vizier around this object
7.9212.293727.8895B=20.9, R=19.5APM-NQuery vizier around this object
8.2212.293727.8895B1=20.9, I=19.1, R2=19.5USNO-B1Query vizier around this object
8.3212.293727.8892Mag=19.8NEDQuery vizier around this object
8.3212.293727.8891R=19.5, g=20.0, i=19.2, u=21.0, z=19.1SDSSQuery vizier around this object
10.9212.287927.8908Mag=22.3NEDQuery vizier around this object
10.9212.287927.8908R=21.7, g=22.5, i=21.3, u=23.1, z=21.3SDSSQuery vizier around this object


There are 574 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
8.3212.293727.8892B1=20.7, B2=20.3, I=18.9, R1=19.7, R2=18.8USNO-B1Query vizier around this object
25.1212.299027.8910B1=21.0, B2=20.9, I=18.9, R1=19.4, R2=19.3USNO-B1Query vizier around this object
26.0212.299327.8909I=19.2, R1=19.6, R2=19.9USNO-B1Query vizier around this object
27.0212.299627.8911I=18.8, R1=19.2USNO-B1Query vizier around this object
33.7212.286927.8984h=13.0, j=13.6, k=12.82MASSQuery vizier around this object
33.9212.286927.8985B1=18.6, B2=18.3, I=14.4, R1=15.9, R2=15.6USNO-B1Query vizier around this object
33.9212.286927.8985I=15.4, R=16.2, g=17.7, u=20.3, z=14.9SDSSQuery vizier around this object
34.1212.295027.8810I=21.9, R=23.1, g=23.8, u=23.8, z=21.5SDSSQuery vizier around this object
41.1212.278427.8886I=24.6, R=25.6, g=25.6, u=25.2, z=20.8SDSSQuery vizier around this object
43.5212.288127.9017B2=20.7, R2=19.4USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 198 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.