Swift Trigger: 554996

Presumed name: GRB 130502A

BAT	09^h 14^m 18.72^s, -00° 08′ 34.8″
position:	(138.578, -0.143 ± 180″)
XRT	09^h 14^m 16.56^s, -00° 07′ 23.5″
position:	(138.5690, -0.1232 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	2.49×10²⁰ cm^-2
Galactic E(B-V):	NED unavailable

Best RA:	09^h 14^m 16.56^s	= 138.5690 d
Best Dec:	-00° 07′ 23.5″	= -0.1232 d

Gal Lat:	31.23
Gal Long:	231.2

Sun angle:	98.44°, -6.6 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

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) : 09 14 16.59 (-0.1233)
- Dec (J2000): -00 07 24.0 ( -0.12263)
- Error (90%): 2.1
- Counts in Source: 200

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′′	138.56900	-0.12320	GCN #14527	GRB 130502A: Swift detection of a burst
0.9′′	138.56888	-0.12341	GCN #14536	GRB 130502A: Enhanced Swift-XRT position
2.2′′	138.56842	-0.12306	GCN #14531	GRB 130502A: TNG candidate counterpart
51.5′′	138.56583	-0.13714	GCN #14581	GRB 130502A: optical upper limit
53.0′′	138.57900	-0.13400	GCN #14550	GRB 130502A: 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
83.5	138.5720	-0.1002	2MASS J09141727-0006006	H=15.633, J=16.828, g=22.790, i=19.383, r=21.222, u=23.235, z=18.400

* 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
12.8	138.5658	-0.1247	R=22.3, g=22.8, i=22.4, u=23.9, z=22.2	SDSS
20.1	138.5734	-0.1198	R=20.7, g=21.9, i=20.1, u=22.1, z=19.7	SDSS
20.1	138.5733	-0.1197	Mag=22.0	NED
20.2	138.5735	-0.1198	I=18.5, R1=19.4, R2=20.2	USNO-B1
26.5	138.5762	-0.1225	Mag=22.0	NED
26.5	138.5763	-0.1226	R=22.1, g=24.5, i=21.3, u=23.2, z=20.8	SDSS
29.0	138.5758	-0.1275	Mag=22.4	NED
29.5	138.5626	-0.1284	R=22.0, g=23.9, i=20.9, u=25.7, z=20.3	SDSS
29.5	138.5625	-0.1283	Mag=23.9	NED
31.7	138.5648	-0.1310	R=23.2, g=23.7, i=22.0, u=23.3, z=21.1	SDSS

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

There are 399 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
14.1	138.5722	-0.1254	I=22.0, R=23.3, g=24.7, u=24.9, z=22.2	SDSS
16.2	138.5735	-0.1236	I=18.5, R1=19.3, R2=20.2	USNO-B1
28.8	138.5759	-0.1273	R1=19.4, R2=20.1	USNO-B1
29.1	138.5759	-0.1274	I=20.1, R=20.9, g=22.4, u=24.5, z=19.6	SDSS
44.3	138.5776	-0.1144	I=22.1, R=22.6, g=25.1, u=24.0, z=21.3	SDSS
48.3	138.5559	-0.1259	I=21.7, R=23.1, g=24.4, u=25.4, z=21.5	SDSS
48.8	138.5783	-0.1134	I=19.3, R=20.2, g=21.5, u=23.9, z=18.9	SDSS
48.8	138.5783	-0.1133	I=18.6, R1=19.1, R2=19.8	USNO-B1
49.1	138.5570	-0.1166	I=19.8, R=21.0, g=22.2, u=25.3, z=19.2	SDSS
49.2	138.5570	-0.1166	I=18.6, R2=20.3	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 214 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.