Swift Trigger: 687522

Presumed name: GRB 160525B

BAT	09^h 57^m 46.32^s, +51° 10′ 48.0″
position:	(149.443, +51.180 ± 180″)
XRT	09^h 57^m 32.28^s, +51° 12′ 23.0″
position:	(149.3845, 51.2064 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	8.08×10⁰ cm^-2
Galactic E(B-V):	0.011 mag

Best RA:	09^h 57^m 32.28^s	= 149.3845 d
Best Dec:	+51° 12′ 23.0″	= 51.2064 d

Gal Lat:	49.47
Gal Long:	164.48

Sun angle:	71.97°, -5.8 hr East of Sun

¹Sper #4 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 5 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 09 57 32.28 (51.2064)
- Dec (J2000): +51 12 23.0 ( 51.20689)
- Error (90%): 2.1
- Counts in Source: 146

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
0.0′′	149.38450	51.20639	GCN #19460	GRB 160525B: Prompt enhanced Swift-XRT position
0.7′′	149.38464	51.20657	GCN #19463	GRB 160525B: Enhanced Swift-XRT position
5.4′′	149.38688	51.20658	GCN #19459	GRB 160525B: Swift detection of a burst
125.3′′	149.43800	51.19700	GCN #19468	GRB 160525B: 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
73.4	149.3520	51.2054	TYC 3439-473-1	B=12.63, H=8.977, J=9.529, K=8.866, V=11.30
183.5	149.3983	51.1562	USNO-A2.0 1350-07687142	B=19.2, R=19.2
192.2	149.2994	51.2042	2MASS J09571184+5112151	H=14.402, J=15.039, K=14.111, g=20.950, i=17.613, r=19.489, u=23.280, z=16.584

There are 3 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
8.5	149.3840	51.2087	R=24.5, g=25.4, i=22.0, u=22.9, z=23.5	SDSS
14.6	149.3802	51.2095	R=19.5, g=19.9, i=19.3, u=20.7, z=19.3	SDSS
14.6	149.3800	51.2094	Mag=19.9	NED
21.0	149.3933	51.2044	Mag=20.5	NED
21.0	149.3933	51.2044	R=20.1, g=20.6, i=19.8, u=22.4, z=19.5	SDSS
31.6	149.3949	51.2122	R=22.8, g=24.3, i=21.9, u=26.4, z=22.5	SDSS
31.9	149.3817	51.1978	Mag=23.3	NED
31.9	149.3819	51.1977	R=21.7, g=22.7, i=21.6, u=22.7, z=21.1	SDSS
36.5	149.3787	51.2159	I=18.3, R1=20.0	USNO-B1
37.0	149.3797	51.2162	R=21.0, g=21.5, i=20.4, u=21.7, z=20.1	SDSS

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

There are 362 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
14.9	149.3803	51.2096	B1=20.7, B2=19.9, I=18.9, R1=19.7, R2=19.6	USNO-B1
18.9	149.3765	51.2079	I=22.2, R=23.3, g=25.3, u=23.2, z=21.9	SDSS
20.9	149.3933	51.2045	B1=20.6, B2=20.8	USNO-B1
20.9	149.3934	51.2047	B1=20.6, B2=21.2	USNO-B1
21.4	149.3760	51.2038	I=25.2, R=24.1, g=24.2, u=23.0, z=20.5	SDSS
31.9	149.3818	51.1977	I=22.4, R=22.7, g=23.4, u=24.0, z=21.1	SDSS
33.8	149.3825	51.1971	I=21.8, R=23.4, g=23.4, u=25.4, z=21.1	SDSS
34.3	149.3825	51.1969	I=22.1, R=23.4, g=24.7, u=25.7, z=21.3	SDSS
40.3	149.3725	51.2147	I=21.5, R=21.6, g=22.1, u=22.8, z=21.2	SDSS
40.3	149.3784	51.2169	B1=20.8, B2=20.4, R1=19.5, R2=18.8	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 181 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.