Swift Trigger: 572721

Presumed name: GRB 131002A

BAT	16^h 53^m 06.00^s, +82° 03′ 25.2″
position:	(253.275, +82.057 ± 180″)
XRT	16^h 52^m 51.82^s, +82° 03′ 13.0″
position:	(253.2159, 82.0536 ± 2.0″)
UVOT	No position available.
Galactic N_HI:	5.56×10²⁰ cm^-2
Galactic E(B-V):	NED unavailable

Best RA:	16^h 52^m 51.82^s	= 253.2159 d
Best Dec:	+82° 03′ 13.0″	= 82.0536 d

Gal Lat:	30.83
Gal Long:	114.89

Sun angle:	90.21°, -4.3 hr East of Sun

¹Sper #9 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 3 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 16 52 51.83 (82.0537)
- Dec (J2000): +82 03 13.3 ( 82.05589)
- Error (90%): 2.0
- Counts in Source: 262
- Object 2
- RA (J2000) : 00 00 00.00 ( 0.00000)
- Dec (J2000): +00 00 00.0 ( 0.00000)
- Error (90%): 3.500"
- Counts in Source: 0
- Object 3
- RA (J2000) : 00 00 00.00 ( 0.00000)
- Dec (J2000): +00 00 00.0 ( 0.00000)
- Error (90%): 3.500"
- Counts in Source: 0

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′′	253.21590	82.05360	GCN #15283	GRB 131002A: Swift detection of a burst
3.6′′	253.22092	82.05433	GCN #15287	GRB 131002A: Enhanced Swift-XRT position
4.0′′	253.22204	82.05433	GCN #15290	GRB 131002A: ISON-NM optical observations
84.7′′	253.10300	82.03600	GCN #15302	GRB 131002A� 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
72.9	253.3371	82.0423	BD+82 502	B=10.85, H=8.947, J=9.175, K=8.890, V=10.32
148.1	253.5084	82.0461	TYC 4580-690-1	B=11.62, V=11.28

* 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
9.7	253.2082	82.0511	B=19.5, R=18.0	APM-N
11.3	253.2379	82.0528	B=21.0, R=18.9	APM-N
28.7	253.2694	82.0506	B=20.8, R=20.0	APM-N
39.5	253.2682	82.0619	I=15.3, R1=19.4	USNO-B1
42.0	253.1575	82.0620	B=21.0, R=20.0	APM-N
44.0	253.2839	82.0458	B=21.0, R=20.0	APM-N
46.1	253.3021	82.0489	B=21.0, R=19.9	APM-N
49.2	253.2874	82.0442	B=21.0, R=20.0	APM-N
49.8	253.2164	82.0674	B=21.0, R=18.5	APM-N
50.5	253.2849	82.0433	B2=20.9, R1=19.6, R2=20.0	USNO-B1

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

There are 76 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
9.4	253.2079	82.0512	h=15.8, j=16.6, k=15.2	2MASS
9.4	253.2062	82.0513	B1=19.4, B2=21.1	USNO-B1
9.8	253.2079	82.0511	B2=19.7, I=17.3, R1=18.2, R2=18.2	USNO-B1
10.8	253.2208	82.0565	h=12.4, j=12.8, k=12.4	2MASS
11.0	253.2376	82.0530	I=18.6, R1=18.9, R2=19.8	USNO-B1
11.1	253.2207	82.0566	B1=15.2, B2=15.0, I=13.0, R1=13.7, R2=13.6	USNO-B1
27.9	253.2097	82.0613	B1=21.6, B2=19.9, I=18.4, R2=19.5	USNO-B1
30.2	253.2147	82.0620	I=18.6, R2=18.6	USNO-B1
38.5	253.2499	82.0440	h=15.7, j=16.3, k=15.5	2MASS
38.7	253.2504	82.0440	B1=17.9, B2=18.1, I=16.9, R1=17.2, R2=17.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 138 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.