Swift Trigger: 547407

Presumed name: GRB 130131A

BAT	11^h 24^m 25.92^s, +48° 04′ 08.4″
position:	(171.108, +48.069 ± 180″)
XRT	11^h 24^m 30.36^s, +48° 04′ 34.3″
position:	(171.1265, 48.0762 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	1.45×10²⁰ cm^-2
Galactic E(B-V):	NED unavailable

Best RA:	11^h 24^m 30.36^s	= 171.1265 d
Best Dec:	+48° 04′ 34.3″	= 48.0762 d

Gal Lat:	63.08
Gal Long:	156.05

Sun angle:	136.95°, 9.5 hr West

¹Sper #3 auto processing.

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

u image

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 11 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 11 24 30.38 (48.0763)
- Dec (J2000): +48 04 34.5 ( 48.07525)
- Error (90%): 2.1
- Counts in Source: 380

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
1.1′′	171.12662	48.07592	GCN #14157	GRB 130131A - UKIRT afterglow candidate
1.3′′	171.12621	48.07589	GCN #14160	GRB 130131A: Enhanced Swift-XRT position
1.4′′	171.12667	48.07583	GCN #14171	GRB 130131A: VLA 5.8 Ghz Detection
11.6′′	171.12193	48.07520	GCN #14156	GRB 130131A: Swift detection of a burst
95.2′′	171.09125	48.06417	GCN #14163	GRB 130131A: Swift-BAT refined analysis
113.9′′	171.08171	48.06597	GCN #14182	GRB 130131A: optical observation in Mondy observatory

There are 13 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ 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

* 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
14.2	171.1303	48.0792	R=21.6, g=22.6, i=21.8, u=24.7, z=20.5	SDSS
14.2	171.1304	48.0792	Mag=23.0	NED
31.2	171.1275	48.0675	Mag=21.8	NED
31.2	171.1274	48.0676	R=21.7, g=23.1, i=21.2, u=25.0, z=20.7	SDSS
34.8	171.1406	48.0739	I=18.9, R2=20.2	USNO-B1
34.9	171.1404	48.0739	Mag=22.2	NED
38.1	171.1129	48.0817	Mag=22.6	NED
38.4	171.1105	48.0760	R=22.3, g=22.4, i=21.6, u=23.6, z=21.5	SDSS
38.4	171.1104	48.0761	Mag=22.2	NED
39.1	171.1250	48.0653	Mag=22.8	NED

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

There are 345 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
32.5	171.1392	48.0732	I=25.1, R=25.8, g=24.3, u=21.7, z=21.9	SDSS
34.9	171.1405	48.0738	I=19.6, R=20.5, g=22.2, u=24.7, z=18.9	SDSS
38.1	171.1129	48.0816	I=20.0, R=21.5, g=22.7, u=26.1, z=19.3	SDSS
38.2	171.1415	48.0727	I=24.8, R=24.3, g=26.3, u=22.1, z=23.1	SDSS
39.5	171.1125	48.0819	B1=21.0, I=19.1, R2=20.8	USNO-B1
40.0	171.1380	48.0842	I=22.9, R=22.5, g=23.5, u=24.1, z=21.1	SDSS
44.6	171.1428	48.0821	I=21.3, R=21.8, g=23.0, u=25.7, z=21.0	SDSS
47.4	171.1251	48.0893	B1=21.0, R2=20.7	USNO-B1
47.5	171.1161	48.0874	I=21.6, R=22.3, g=24.2, u=22.0, z=20.5	SDSS
47.6	171.1166	48.0877	B1=18.3, B2=16.1, I=17.2, R1=16.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 145 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.