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Swift Trigger: 1319125

Presumed name: GRB 250530C

Back to trigger list.

BAT 03h 40m 34.32s, -22° 27′ 32.4″
position:(55.143, -22.459 ± 180″)
XRT 03h 40m 40.87s, -22° 26′ 53.3″
position:(55.17029, -22.44815 ± 1.9″)
UVOT No position available.
Galactic NHI:1.59×1020 cm-2
Galactic E(B-V):0.023 mag
Best RA:03h 40m 40.87s= 55.17029 d
Best Dec:-22° 26′ 53.3″= -22.44815 d
Gal Lat:-51.48
Gal Long:215.53
Sun angle:45.92°, 0.8 hr West

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 5 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
54.355.1704-22.4632GPM 55.170244-22.463138B=14.4, G=14.100397, H=12.561, J=12.922, K=12.487, V=14.5Query vizier around this object
133.455.2024-22.4259SMDG J0340486-222533g=20.21, r=19.59Query vizier around this object
183.855.1168-22.4354NVSS J034027-222626Query 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
134.455.1376-22.47000.0275701806 +/- 0.01369870268SRG-EROSITQuery vizier around this object
198.655.2183-22.48100.0950355902 +/- 0.02385600656SRG-EROSITQuery vizier around this object

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.

Galaxies

RA*Dec*Redshift CatalogueQuery
8.655.1700-22.4458B=22.4SSSQuery vizier around this object
13.455.1662-22.4478NEDQuery vizier around this object
21.855.1685-22.4423B1=19.9, I=18.7USNO-B1Query vizier around this object
23.955.1642-22.4447NEDQuery vizier around this object
27.055.1683-22.4556NEDQuery vizier around this object
29.955.1783-22.4517NEDQuery vizier around this object
34.555.1609-22.4440B1=19.8, I=18.7USNO-B1Query vizier around this object
34.755.1612-22.4533NEDQuery vizier around this object
35.655.1596-22.4473B1=20.0, B2=21.7, I=18.6USNO-B1Query vizier around this object
36.555.1592-22.4486NEDQuery vizier around this object

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

There are 232 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
13.655.1662-22.4479h=14.8, j=15.4, k=14.42MASSQuery vizier around this object
13.855.1661-22.4479B2=21.7, I=17.4, R1=18.6, R2=18.9USNO-B1Query vizier around this object
22.755.1713-22.4544I=18.8, R2=18.9USNO-B1Query vizier around this object
27.055.1682-22.4554B1=18.4, B2=19.0, I=14.8, R1=16.4, R2=15.4USNO-B1Query vizier around this object
27.155.1683-22.4555h=13.0, j=13.7, k=12.82MASSQuery vizier around this object
43.855.1751-22.4595B1=19.2, B2=19.8, I=18.6, R1=18.9, R2=19.0USNO-B1Query vizier around this object
48.755.1669-22.4350B1=16.3, B2=17.1, I=15.0, R1=15.8, R2=15.0USNO-B1Query vizier around this object
48.755.1669-22.4350h=14.3, j=14.7, k=14.32MASSQuery vizier around this object
53.655.1702-22.4631B2=21.5, I=18.5, R1=19.5, R2=13.4USNO-B1Query vizier around this object
54.155.1705-22.4632B1=14.9, B2=14.9, I=13.4, R1=13.6, R2=14.1USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 98 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.