Swift Trigger: 1423875

Presumed name: GRB 251214B

BAT	22^h 00^m 52.08^s, -09° 10′ 01.2″
position:	(330.217, -9.167 ± 180″)
XRT	22^h 00^m 50.53^s, -09° 09′ 47.7″
position:	(330.21055, -9.16325 ± 1.9″)
UVOT	22^h 00^m 50.52^s, -09° 09′ 46.4″
position:	(330.2105, -9.1629 ± 1.1″)
Galactic N_HI:	3.55×10²⁰ cm^-2
Galactic E(B-V):	0.038 mag

Best RA:	22^h 00^m 50.52^s	= 330.2105 d
Best Dec:	-09° 09′ 46.4″	= -9.1629 d

Gal Lat:	-45.96
Gal Long:	48.74

Sun angle:	66.84°, -4.6 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.

There are 8 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 22 00 50.58 (-9.16335)
- Dec (J2000): -09 09 48.1 ( -9.16261)
- Error (90%): 1.9
- Counts in Source: 369

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	Dec	Date reported	Source	Misc	Query

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
106.4	330.2347	-9.1807	FBQS J2200-0910	B=18.43, G=18.006033, V=18.24, g=18.1609, i=18.0966, r=18.1041, u=18.3852, z=18.0562

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²	Observatory	Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
1.1	330.2105	-9.1630	R=23.6, g=22.9, i=21.5, u=26.4, z=20.6	SDSS
10.7	330.2081	-9.1615	R=22.5, g=24.0, i=21.1, u=26.4, z=20.1	SDSS
18.4	330.2070	-9.1595	R=22.6, g=23.7, i=21.6, u=24.3, z=21.1	SDSS
23.5	330.2043	-9.1654	R=22.2, g=23.8, i=21.9, u=23.9, z=21.3	SDSS
23.7	330.2039	-9.1629	R=22.1, g=22.5, i=21.7, u=22.8, z=20.9	SDSS
32.2	330.2096	-9.1722	R=22.0, g=22.8, i=21.3, u=26.3, z=20.6	SDSS
43.4	330.2062	-9.1745	R=21.7, g=22.7, i=21.0, u=25.3, z=20.8	SDSS
44.2	330.2228	-9.1651	R=21.4, g=21.8, i=21.2, u=22.8, z=21.2	SDSS
47.8	330.2109	-9.1765	R=22.3, g=23.0, i=22.2, u=25.8, z=21.0	SDSS
48.0	330.1979	-9.1587	R=22.1, g=24.0, i=20.5, u=23.3, z=19.7	SDSS

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

There are 138 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*		Catalogue
23.4	330.2094	-9.1697	I=21.0, R=22.0, g=23.5, u=24.6, z=20.3	SDSS
28.5	330.2058	-9.1569	I=22.0, R=22.9, g=25.2, u=24.6, z=22.1	SDSS
32.4	330.2185	-9.1589	I=21.8, R=23.6, g=23.5, u=24.2, z=22.1	SDSS
33.8	330.2041	-9.1702	I=18.7, R=18.9, g=19.6, u=21.1, z=18.6	SDSS
34.0	330.2041	-9.1702	B1=20.5, B2=19.2, I=18.2, R1=18.9, R2=18.7	USNO-B1
37.2	330.2112	-9.1736	I=22.1, R=25.2, g=25.5, u=25.9, z=22.8	SDSS
42.6	330.2121	-9.1515	I=21.9, R=24.3, g=25.5, u=24.6, z=23.4	SDSS
43.6	330.2038	-9.1531	I=19.7, R=20.1, g=21.0, u=22.2, z=19.5	SDSS
43.8	330.2038	-9.1531	B2=21.2, R1=19.7, R2=19.7	USNO-B1
46.6	330.2222	-9.1573	B1=20.8, B2=19.9, I=18.2, R1=18.9, R2=18.7	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 198 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.