Swift Trigger: 1081113

Presumed name: GRB 211025A

BAT	10^h 49^m 30.48^s, +31° 33′ 25.2″
position:	(162.377, 31.557 ± 180″)
XRT	10^h 49^m 32.18^s, +31° 30′ 46.3″
position:	(162.38408, 31.51285 ± 3.7″)
UVOT	No position available.
Galactic N_HI:	2.20×10²⁰ cm^-2
Galactic E(B-V):	0.026 mag

Best RA:	10^h 49^m 32.18^s	= 162.38408 d
Best Dec:	+31° 30′ 46.3″	= 31.51285 d

Gal Lat:	63.16
Gal Long:	196.18

Sun angle:	62.80°, 3.1 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.

There are 4 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 10 49 32.18 ( 162.38408)
- Dec (J2000): +31 30 46.3 ( 31.51285)
- Error (90%): 3.726"
- Counts in Source: 91

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	Source	Misc
2.1′′	162.38425	31.51342	GCN #30986	GRB 211025A: Swift detection of a burst
3.7′′	162.38304	31.51233	GCN #30987	GRB 211025A: Enhanced Swift-XRT position
3.7′′	162.38304	31.51231	GCN #30991	GRB 211025A: Swift/UVOT Detection
74.5′′	162.40700	31.50600	GCN #30997	GRB 211025A: Swift-BAT refined analysis

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
92.1	162.3933	31.5372	LEDA 1951999
102.5	162.3507	31.5126	SDSS J104924.16+313045.1	G=20.2061, g=20.2275, i=19.984, r=20.032, u=20.412, z=19.836
149.6	162.4325	31.5180	TYC 2519-1117-1	B=12.71, G=12.0384, H=10.688, J=11.017, K=10.629, V=11.95
174.0	162.3895	31.5610	2MASX J10493346+3133392	B=16.5, H=13.899, J=14.681, K=13.397, g=16.163, i=15.386, r=15.675, u=17.321, z=15.206
180.2	162.4118	31.5570	FIRST J104938.8+313325

There are 5 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
19.1	162.3863	31.5178	R=22.2, g=23.5, i=21.4, u=23.6, z=20.5	SDSS
19.1	162.3862	31.5178	Mag=22.4	NED
21.1	162.3900	31.5103	Mag=20.8	NED
21.6	162.3846	31.5069	R=22.1, g=23.3, i=21.6, u=24.0, z=20.7	SDSS
21.7	162.3846	31.5069	Mag=21.9	NED
26.3	162.3925	31.5125	Mag=22.3	NED
26.3	162.3926	31.5126	R=21.9, g=23.4, i=21.0, u=25.8, z=20.1	SDSS
36.7	162.3904	31.5217	Mag=21.8	NED
36.7	162.3903	31.5216	R=21.5, g=22.1, i=21.3, u=23.0, z=23.6	SDSS
38.6	162.3716	31.5139	B=20.7, R=19.2	APM-N

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

There are 487 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
21.1	162.3902	31.5102	I=18.7, R=19.4, g=20.8, u=25.3, z=18.3	SDSS
21.3	162.3904	31.5103	B2=20.9, I=18.3, R1=19.1, R2=19.2	USNO-B1
38.7	162.3716	31.5141	B1=19.9, B2=19.6, R1=18.9, R2=19.0	USNO-B1
45.5	162.3906	31.5015	I=22.6, R=22.5, g=23.3, u=24.0, z=21.8	SDSS
50.9	162.3961	31.5031	I=20.9, R=21.0, g=21.2, u=21.9, z=21.0	SDSS
54.2	162.3691	31.5209	B1=16.8, R1=19.8, R2=19.7	USNO-B1
55.7	162.3986	31.5036	I=21.6, R=21.6, g=22.0, u=23.3, z=21.0	SDSS
56.1	162.3682	31.5205	I=21.8, R=23.0, g=23.9, u=24.2, z=21.0	SDSS
59.0	162.4009	31.5207	I=17.5, R=18.0, g=19.3, u=21.5, z=17.2	SDSS
59.1	162.4010	31.5207	h=15.2, j=16.1, k=15.3	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 126 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.