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Swift Trigger: 1344586

Presumed name: GRB 250823A

Back to trigger list.

BAT 19h 50m 05.04s, -24° 58′ 33.6″
position:(297.521, -24.976 ± 180″)
XRT 19h 49m 54.69s, -24° 59′ 45.0″
position:(297.47788, -24.99582 ± 2.1″)
UVOT No position available.
Galactic NHI:7.96×1020 cm-2
Galactic E(B-V):0.112 mag
Best RA:19h 49m 54.69s= 297.47788 d
Best Dec:-24° 59′ 45.0″= -24.99582 d
Gal Lat:-23.34
Gal Long:15.71
Sun angle:144.06°, -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.

XRT SPER data

SPER results page for this trigger.

Image of the SPER data

There are 7 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).

SIMBAD

RA*Dec*SIMBAD name Query
79.0297.4564-24.9858CRTS J194949.5-245909G=17.734869, V=17.71, g=18.2773, i=17.7839, r=18.0062, z=17.7408Query vizier around this object
111.1297.4814-24.9651Gaia DR3 6767376562951291520G=20.724279Query vizier around this object
185.2297.4890-25.0463Gaia DR3 6767369416130930304G=14.949951Query vizier around this object

There are 3 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.

Galaxies

RA*Dec*Redshift CatalogueQuery
4.9297.4783-24.9944NEDQuery vizier around this object
9.6297.4754-24.9975NEDQuery vizier around this object
14.5297.4817-24.9939NEDQuery vizier around this object
15.7297.4750-24.9922NEDQuery vizier around this object
17.6297.4744-24.9921B=21.9, R2=19.9SSSQuery vizier around this object
23.3297.4721-25.0000NEDQuery vizier around this object
23.6297.4796-24.9894NEDQuery vizier around this object
23.9297.4812-25.0017NEDQuery vizier around this object
26.5297.4812-24.9892NEDQuery vizier around this object
30.1297.4703-24.9910B=21.9SSSQuery vizier around this object

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 390 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

Stars

RA*Dec* CatalogueQuery
9.4297.4757-24.9975B1=17.5, B2=17.1, I=15.7, R1=16.1, R2=16.1USNO-B1Query vizier around this object
9.6297.4757-24.9976h=14.6, j=14.9, k=14.62MASSQuery vizier around this object
28.4297.4826-24.9892B1=20.3, B2=19.4, I=18.4, R1=18.3, R2=18.7USNO-B1Query vizier around this object
32.1297.4758-24.9871B2=20.2, R1=19.2USNO-B1Query vizier around this object
32.7297.4711-24.9891h=15.8, j=16.5, k=15.32MASSQuery vizier around this object
33.2297.4711-24.9889B1=19.7, B2=19.5, I=17.8, R1=18.2, R2=18.1USNO-B1Query vizier around this object
37.9297.4720-25.0049B1=20.3, B2=19.3, I=18.0, R1=18.3, R2=18.5USNO-B1Query vizier around this object
41.0297.4897-24.9997h=15.9, j=16.6, k=15.92MASSQuery vizier around this object
41.1297.4897-24.9996B1=19.6, B2=18.4, I=17.7, R1=17.8, R2=17.6USNO-B1Query vizier around this object
43.9297.4828-24.9845h=15.0, j=15.3, k=15.02MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 362 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.