Swift Trigger: 1250617

Presumed name: GRB 240825A

BAT	22^h 58^m 12.24^s, +01° 02′ 09.6″
position:	(344.551, +1.036 ± 180″)
XRT	22^h 58^m 16.58^s, +01° 01′ 31.1″
position:	(344.5691, 1.0253 ± 12.3″)
UVOT	22^h 58^m 17.26^s, +01° 01′ 36.5″
position:	(344.5719, +1.0268 ± 0.7″)
Galactic N_HI:	4.35×10²⁰ cm^-2
Galactic E(B-V):	0.060 mag

Best RA:	22^h 58^m 17.26^s	= 344.5719 d
Best Dec:	+01° 01′ 36.5″	= +1.0268 d

Gal Lat:	-50.84
Gal Long:	74.31

Sun angle:	164.73°, 11.3 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.

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	Dec	Date reported	Source	Misc	Query

Catalogue Searches. Searched 200′ around UVOT 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
152.0	344.5864	0.9872	SDSS J225820.74+005913.7	G=20.005535, g=20.461, i=19.696, r=20.019, u=21.712, z=19.637
163.7	344.6126	1.0064	SDSS J225827.01+010023.0	g=23.916, i=21.892, r=22.653, z=21.274
168.8	344.5363	1.0574	SDSS J225808.72+010326.4	g=21.4119, i=20.4667, r=21.0023, u=21.8425, z=20.2371
183.5	344.5388	1.0655	SDSS J225809.29+010355.8	g=21.674, i=19.025, r=19.802, z=18.572

There are 4 SIMBAD objects within the position error. The full list is here.

* 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
0.5	344.5718	1.0269	R=22.6, g=23.5, i=21.8, u=25.3, z=21.2	SDSS
0.5	344.5717	1.0269	Mag=22.1	NED
7.1	344.5704	1.0253	Mag=23.2	NED
18.2	344.5671	1.0250		NED
19.3	344.5672	1.0242	R=22.4, g=22.6, i=22.0, u=23.1, z=22.8	SDSS
25.5	344.5717	1.0197	Mag=23.9	NED
25.5	344.5717	1.0197	R=21.9, g=24.2, i=20.7, u=24.8, z=20.7	SDSS
26.1	344.5783	1.0233	Mag=20.5	NED
26.3	344.5784	1.0234	B=20.5, R=19.8	APM-N
26.5	344.5650	1.0242	Mag=22.9	NED

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

There are 482 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
7.1	344.5705	1.0254	I=21.3, R=21.9, g=23.2, u=25.4, z=21.2	SDSS
17.4	344.5761	1.0292	I=25.2, R=24.8, g=24.9, u=25.1, z=21.0	SDSS
25.6	344.5782	1.0235	B1=19.9, B2=20.9, R2=19.9	USNO-B1
26.1	344.5782	1.0233	I=20.1, R=20.2, g=20.5, u=21.4, z=20.1	SDSS
26.5	344.5650	1.0243	I=21.2, R=21.7, g=22.9, u=24.6, z=20.8	SDSS
27.4	344.5644	1.0283	I=21.7, R=22.3, g=22.9, u=23.4, z=21.8	SDSS
29.9	344.5688	1.0191	I=22.2, R=23.1, g=23.7, u=24.6, z=21.6	SDSS
31.8	344.5649	1.0214	B1=21.3, B2=21.3, R2=20.8	USNO-B1
31.9	344.5650	1.0213	I=20.5, R=20.6, g=21.0, u=21.9, z=20.2	SDSS
37.4	344.5821	1.0247	I=24.6, R=24.0, g=23.2, u=23.8, z=22.3	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 188 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.