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Swift Trigger: 1061554

Presumed name: GRB 210725B

Back to trigger list.

BAT 12h 51m 43.68s, +17° 07′ 30.0″
position:(192.932, 17.125 ± 180″)
XRT 12h 51m 41.26s, +17° 06′ 28.8″
position:(192.9219, 17.1080 ± 1.9″)
UVOT No position available.
Galactic NHI:1.87×1020 cm-2
Galactic E(B-V):0.026 mag
Best RA:12h 51m 41.26s= 192.9219 d
Best Dec:+17° 06′ 28.8″= 17.1080 d
Gal Lat:79.98
Gal Long:303.28
Sun angle:64.32°, -4.5 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′′192.9219017.10800GCN #30508GRB 210725B: Swift detection of a burstVizier logo
1.0′′192.9221717.10808GCN #30510GRB 210725B: Enhanced Swift-XRT positionVizier logo
83.7′′192.9140017.13000GCN #30516GRB 210725B: Swift-BAT refined analysisVizier 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

* 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
13.3192.918717.1060R=21.5, g=22.8, i=21.4, u=23.4, z=20.7SDSSQuery vizier around this object
13.3192.918717.1061Mag=22.9NEDQuery vizier around this object
15.3192.922517.1039NEDQuery vizier around this object
20.2192.924217.1131Mag=18.3NEDQuery vizier around this object
22.8192.925417.1133NEDQuery vizier around this object
23.0192.927617.1046R=21.2, g=22.3, i=21.2, u=24.8, z=20.4SDSSQuery vizier around this object
23.0192.927517.1047Mag=22.2NEDQuery vizier around this object
28.9192.919017.1155R=21.3, g=22.2, i=21.1, u=23.5, z=21.4SDSSQuery vizier around this object
28.9192.918717.1156Mag=22.0NEDQuery vizier around this object
30.4192.930417.1057R=21.2, g=21.9, i=20.8, u=22.2, z=21.9SDSSQuery vizier around this object


There are 550 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
20.2192.924417.1131I=17.9, R=17.9, g=18.3, u=19.2, z=17.8SDSSQuery vizier around this object
20.3192.924317.1131h=16.5, j=16.9, k=16.52MASSQuery vizier around this object
20.5192.924417.1132B1=19.2, B2=19.1, I=17.4, R1=17.8, R2=18.1USNO-B1Query vizier around this object
21.6192.927317.1050R1=19.6, R2=17.9USNO-B1Query vizier around this object
29.6192.924817.1002I=24.5, R=25.1, g=25.0, u=22.0, z=22.2SDSSQuery vizier around this object
30.5192.930417.1055B1=20.6, B2=21.5, R2=20.4USNO-B1Query vizier around this object
32.2192.930917.1104I=21.5, R=22.0, g=24.3, u=24.3, z=21.1SDSSQuery vizier around this object
32.9192.927917.1151B2=21.7, R2=20.4USNO-B1Query vizier around this object
34.3192.920617.0985B2=19.1, I=18.4, R1=19.6, R2=19.6USNO-B1Query vizier around this object
34.9192.920717.0984I=19.7, R=20.2, g=21.4, u=24.0, z=19.3SDSSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 173 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.