Swift Trigger: 753445

Presumed name: GRB 170519A

BAT	10^h 53^m 48.00^s, +25° 22′ 40.8″
position:	(163.45, 25.378 ± 10800″)
XRT	10^h 53^m 42.46^s, +25° 22′ 27.5″
position:	(163.4269, 25.3743 ± 3.7″)
UVOT	10^h 53^m 42.46^s, +25° 22′ 27.1″
position:	(163.4269, 25.3742 ± 0.8″)
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.000 mag

Best RA:	10^h 53^m 42.46^s	= 163.4269 d
Best Dec:	+25° 22′ 27.1″	= 25.3742 d

Gal Lat:
Gal Long:

Sun angle:	96.37°, -7.2 hr East of Sun

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

unknown image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 3 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 10 53 42.52 ( 163.42717)
- Dec (J2000): +25 22 28.1 ( 25.37446)
- Error (90%): 3.618"
- Counts in Source: 181

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
0.3′′	163.42692	25.37428	GCN #21113	GRB 170519A: iTelescope T11 optical observations
0.3′′	163.42692	25.37428	GCN #21106	GRB 170519A: Swift detection of a burst with an optical counterpart
0.3′′	163.42699	25.37417	GCN #21107	GRB 170519A: Enhanced Swift-XRT position
0.4′′	163.42687	25.37431	GCN #21118	GRB170519A� Swift-UVOT Detection
6.0′′	163.42875	25.37406	GCN #21112	GRB 170519A: Swift-BAT refined analysis

There are 11 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ 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		Query
171.8	163.3851	25.4034	SDSS J105332.42+252412.2	g=20.643, i=18.240, r=18.917, u=22.353, z=17.839

* 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
23.8	163.4342	25.3731	Mag=23.2	NED
25.9	163.4268	25.3670	R=20.6, g=21.7, i=20.1, u=23.1, z=19.9	SDSS
25.9	163.4267	25.3669	Mag=21.4	NED
27.5	163.4230	25.3810	R=21.1, g=22.6, i=21.2, u=22.2, z=24.3	SDSS
27.5	163.4229	25.3811	Mag=23.8	NED
28.4	163.4342	25.3700	Mag=23.9	NED
28.4	163.4343	25.3701	R=22.7, g=24.4, i=25.4, u=25.9, z=21.7	SDSS
29.2	163.4359	25.3748	R=22.5, g=23.4, i=21.6, u=23.7, z=21.0	SDSS
29.2	163.4358	25.3747	Mag=23.0	NED
34.7	163.4204	25.3819	Mag=23.4	NED

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

There are 430 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
23.8	163.4341	25.3730	I=20.6, R=22.1, g=23.2, u=24.6, z=19.7	SDSS
43.9	163.4399	25.3709	I=21.2, R=21.4, g=22.4, u=23.4, z=20.9	SDSS
50.9	163.4177	25.3628	I=20.3, R=20.4, g=20.7, u=21.8, z=20.1	SDSS
51.0	163.4177	25.3628	B1=20.3, B2=20.8	USNO-B1
51.3	163.4147	25.3833	h=15.5, j=16.0, k=15.2	2MASS
51.4	163.4147	25.3833	I=17.3, R=17.6, g=18.3, u=20.3, z=17.1	SDSS
51.5	163.4147	25.3834	B1=18.7, B2=19.1, I=17.1, R1=17.2, R2=17.5	USNO-B1
66.0	163.4310	25.3922	I=20.3, R=20.5, g=21.0, u=22.4, z=20.2	SDSS
71.2	163.4170	25.3918	I=22.3, R=24.2, g=24.9, u=24.9, z=22.1	SDSS
75.1	163.4472	25.3841	I=22.3, R=23.9, g=25.3, u=23.6, z=20.8	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 119 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.