Swift Trigger: 547420

Presumed name: GRB 130131B

BAT	11^h 35^m 48.48^s, +15° 02′ 09.6″
position:	(173.952, +15.036 ± 180″)
XRT	11^h 35^m 49.30^s, +15° 02′ 17.2″
position:	(173.9554, 15.0381 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	2.81×10²⁰ cm^-2
Galactic E(B-V):	NED unavailable

Best RA:	11^h 35^m 49.30^s	= 173.9554 d
Best Dec:	+15° 02′ 17.2″	= 15.0381 d

Gal Lat:	68.66
Gal Long:	243.62

Sun angle:	141.97°, 9.4 hr West

¹Sper #2 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 4 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 11 35 49.31 (15.0381)
- Dec (J2000): +15 02 17.0 ( 15.03888)
- Error (90%): 2.2
- Counts in Source: 300

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
0.9′′	173.95546	15.03833	GCN #14286	GRB 130131B: host detection and redshift
0.9′′	173.95566	15.03818	GCN #14165	GRB 130131B: Enhanced Swift-XRT position
5.4′′	173.95400	15.03872	GCN #14159	GRB 130131B: Swift detection of a burst
18.4′′	173.95667	15.03314	GCN #14164	GRB 130131B: Swift-BAT refined analysis

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
8.8	173.9567	15.0400	Mag=22.9	NED
14.4	173.9560	15.0420	R=23.8, g=23.1, i=21.9, u=23.3, z=23.3	SDSS
19.3	173.9533	15.0332	R=20.6, g=21.8, i=19.7, u=23.0, z=19.2	SDSS
19.3	173.9533	15.0331	Mag=21.9	NED
27.3	173.9571	15.0307	R=22.0, g=23.4, i=22.1, u=22.9, z=23.1	SDSS
27.4	173.9571	15.0306	Mag=23.4	NED
33.9	173.9594	15.0295	R=21.0, g=21.5, i=20.7, u=22.1, z=20.5	SDSS
33.9	173.9592	15.0294	Mag=21.6	NED
38.0	173.9529	15.0278	Mag=21.8	NED
38.0	173.9531	15.0278	R=22.5, g=24.7, i=24.1, u=25.5, z=23.5	SDSS

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

There are 357 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
8.8	173.9569	15.0401	I=20.0, R=21.2, g=22.8, u=24.7, z=19.3	SDSS
19.6	173.9532	15.0331	I=18.9, R1=19.9, R2=20.0	USNO-B1
40.5	173.9656	15.0327	I=22.2, R=22.5, g=23.4, u=25.9, z=21.4	SDSS
40.9	173.9534	15.0493	I=21.8, R=22.6, g=23.6, u=25.3, z=22.0	SDSS
46.2	173.9430	15.0427	I=23.0, R=22.6, g=23.1, u=24.6, z=22.0	SDSS
61.6	173.9723	15.0434	I=19.8, R=20.1, g=20.8, u=22.0, z=19.6	SDSS
61.9	173.9723	15.0434	B1=20.7, B2=20.7, R1=19.2, R2=19.8	USNO-B1
64.7	173.9736	15.0342	I=22.1, R=24.0, g=24.5, u=25.7, z=21.8	SDSS
68.4	173.9692	15.0516	I=19.3, R=20.5, g=22.1, u=23.6, z=18.4	SDSS
68.6	173.9692	15.0517	I=18.7, R2=19.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 115 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.