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Swift Trigger: 1064421

Presumed name: GRB 210807C

Back to trigger list.

BAT 09h 34m 12.24s, -51° 24′ 32.4″
position:(143.551, -51.409 ± 180″)
XRT 09h 34m 08.27s, -51° 24′ 08.7″
position:(143.53445, -51.40241 ± 7.0″)
UVOT No position available.
Galactic NHI:7.03×1021 cm-2
Galactic E(B-V):1.926 mag
Best RA:09h 34m 08.27s= 143.53445 d
Best Dec:-51° 24′ 08.7″= -51.40241 d
Gal Lat:0.32
Gal Long:274.69
Sun angle:67.83°, -0.4 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 4 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
0.3′′143.53455-51.40237GCN #30610GRB 210807C: Swift detection of a burstVizier logo
5.0′′143.53387-51.40106GCN #30615GRB 210807C: Enhanced Swift-XRT positionVizier logo
26.8′′143.54000-51.40900GCN #30625GRB 210807C: Swift-BAT refined analysisVizier logo
44.1′′143.55100-51.40900GCN #30611Swift GRB210807.96: Global MASTER-Net observations report Vizier logo
188.0′′143.59412-51.36581GCN #30612Fermi GRB 210807C: Global MASTER-Net observations report Vizier 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
96.1143.5046-51.3833DOBASHI 5650Query vizier around this object
136.1143.5014-51.4341IRAS 09322-5112Query vizier around this object
138.5143.4979-51.43342MASS J09335950-5126003H=10.801, J=12.131, K=9.686Query vizier around this object
189.1143.4747-51.3654IRAS 09321-5108Query vizier around this object
199.7143.6190-51.3852Gaia DR2 5312698348420258560G=19.9433Query vizier around this object

There are 5 SIMBAD objects within the position error. The full list is here.

* 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
7.3143.5317-51.4036NEDQuery vizier around this object
7.9143.5374-51.4037B=22.3SSSQuery vizier around this object
8.1143.5375-51.4014NEDQuery vizier around this object
11.9143.5350-51.4058NEDQuery vizier around this object
13.4143.5376-51.4056B=21.3SSSQuery vizier around this object
18.8143.5292-51.4064NEDQuery vizier around this object
21.4143.5304-51.4078NEDQuery vizier around this object
23.0143.5417-51.3981NEDQuery vizier around this object
24.7143.5372-51.3958B=21.1SSSQuery vizier around this object
26.9143.5454-51.4056NEDQuery vizier around this object


There are 509 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
7.2143.5320-51.4037B2=19.0, I=17.1, R1=17.5, R2=17.7USNO-B1Query vizier around this object
7.3143.5318-51.4036h=15.1, j=15.7, k=14.92MASSQuery vizier around this object
8.1143.5375-51.4013h=15.7, j=16.8, k=15.42MASSQuery vizier around this object
11.9143.5350-51.4057h=15.8, j=18.3, k=14.62MASSQuery vizier around this object
18.9143.5291-51.4064h=12.7, j=13.2, k=12.62MASSQuery vizier around this object
18.9143.5292-51.4065B2=16.5, I=14.3, R1=15.1, R2=15.3USNO-B1Query vizier around this object
21.4143.5305-51.4078h=15.6, j=15.9, k=15.22MASSQuery vizier around this object
22.3143.5415-51.3981h=15.8, j=16.7, k=15.02MASSQuery vizier around this object
26.9143.5453-51.4055h=15.6, j=16.9, k=15.12MASSQuery vizier around this object
30.1143.5382-51.4104B2=18.9, I=17.6, R1=18.1, R2=18.6USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 391 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.