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Swift Trigger: 1167288

Presumed name: GRB 230506C

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BAT 08h 57m 29.52s, +45° 07′ 33.6″
position:(134.373, +45.126 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:2.08×1020 cm-2
Galactic E(B-V):0.024 mag
Best RA:08h 57m 29.52s= 134.373 d
Best Dec:+45° 07′ 33.6″= +45.126 d
Gal Lat:40.64
Gal Long:175.37
Sun angle:79.24°, -6.1 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.


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

Catalogue Searches. Searched 200′ around BAT 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
138.1134.427045.1213US 2002B=18.6, G=18.124159Query 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
4.4134.373845.1249B=21.2, R=19.6APM-NQuery vizier around this object
5.8134.374545.1248B=21.8, R=19.2APM-NQuery vizier around this object
5.9134.374245.1244Mag=20.7NEDQuery vizier around this object
13.1134.371945.1225R=20.2, g=20.8, i=20.1, u=22.9, z=20.1SDSSQuery vizier around this object
13.1134.371745.1225Mag=21.1NEDQuery vizier around this object
17.7134.368845.1299R=23.9, g=25.4, i=24.2, u=21.2, z=23.9SDSSQuery vizier around this object
25.4134.363345.1278Mag=23.5NEDQuery vizier around this object
25.4134.363345.1279R=21.8, g=24.5, i=21.2, u=26.0, z=21.0SDSSQuery vizier around this object
26.5134.371745.1333Mag=21.6NEDQuery vizier around this object
27.8134.382145.1219NEDQuery vizier around this object


There are 433 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
5.4134.374045.1247B2=21.1, R1=20.3, R2=19.5USNO-B1Query vizier around this object
5.9134.374145.1246I=19.6, R=19.9, g=20.7, u=22.2, z=19.5SDSSQuery vizier around this object
14.5134.371345.1222B1=15.3, B2=21.1, R1=19.4USNO-B1Query vizier around this object
26.5134.371645.1333I=20.5, R=20.9, g=21.6, u=24.4, z=20.2SDSSQuery vizier around this object
32.3134.361045.1230B1=20.9, B2=21.0, R1=20.5, R2=19.9USNO-B1Query vizier around this object
36.0134.374945.1359B2=21.1, I=18.5, R1=20.1, R2=19.9USNO-B1Query vizier around this object
36.5134.363145.1333I=17.4, R=18.3, g=19.8, u=24.3, z=16.9SDSSQuery vizier around this object
36.6134.363145.1334h=15.0, j=15.5, k=14.92MASSQuery vizier around this object
36.7134.363145.1334B1=19.0, B2=20.8, I=16.9, R1=17.9, R2=18.2USNO-B1Query vizier around this object
37.0134.385345.1315I=20.0, R=21.4, g=23.4, u=23.9, z=19.4SDSSQuery 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.