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Swift Trigger: 1071993

Presumed name: GRB 210905A

Back to trigger list.

BAT 20h 36m 14.88s, -44° 25′ 51.6″
position:(309.062, -44.431 ± 180″)
XRT 20h 36m 11.56s, -44° 26′ 22.5″
position:(309.04815, -44.43959 ± 7.0″)
UVOT No position available.
Galactic NHI:3.03×1020 cm-2
Galactic E(B-V):0.035 mag
Best RA:20h 36m 11.56s= 309.04815 d
Best Dec:-44° 26′ 22.5″= -44.43959 d
Gal Lat:-36.85
Gal Long:356.12
Sun angle:131.85°, -9.7 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 1 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
0.0′′309.04815-44.43959GCN #30765GRB 210905A: Swift detection of a burstVizier logo
0.3′′309.04825-44.43956GCN #30768GRB 210905A: Enhanced Swift-XRT positionVizier logo
2.3′′309.04820-44.44023GCN #30783GRB 210905A: ALMA detectionVizier logo

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
90.1309.0132-44.4409Gaia DR2 6676054455748646272G=20.3374Query 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
9.0309.0488-44.4372NEDQuery vizier around this object
11.5309.0523-44.4407B=19.4, R2=18.1, i=17.4SSSQuery vizier around this object
12.1309.0525-44.4406Mag=17.9NEDQuery vizier around this object
20.9309.0404-44.4417NEDQuery vizier around this object
24.0309.0529-44.4453NEDQuery vizier around this object
26.9309.0442-44.4464NEDQuery vizier around this object
27.4309.0567-44.4442NEDQuery vizier around this object
35.1309.0471-44.4492NEDQuery vizier around this object
35.7309.0621-44.4383NEDQuery vizier around this object
36.8309.0342-44.4419NEDQuery vizier around this object


There are 234 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
8.9309.0490-44.4372B2=19.4, I=18.1, R1=18.9, R2=19.0USNO-B1Query vizier around this object
9.9309.0484-44.4368B2=19.6, R2=20.4USNO-B1Query vizier around this object
10.9309.0521-44.4407h=16.2, j=16.8, k=15.82MASSQuery vizier around this object
11.0309.0522-44.4406B2=18.4, I=17.6, R1=17.7, R2=17.5USNO-B1Query vizier around this object
19.6309.0418-44.4366B2=19.5, R1=19.2, R2=19.5USNO-B1Query vizier around this object
20.6309.0410-44.4421h=14.2, j=14.6, k=14.12MASSQuery vizier around this object
20.8309.0408-44.4420B2=16.4, I=14.6, R1=15.2, R2=15.3USNO-B1Query vizier around this object
35.0309.0470-44.4493B2=19.6, I=17.4, R1=17.8, R2=17.9USNO-B1Query vizier around this object
35.1309.0471-44.4493h=15.4, j=16.0, k=15.32MASSQuery vizier around this object
36.6309.0343-44.4419B2=14.8, I=13.0, R1=13.6, R2=14.0USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 183 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.