Swift Trigger: 579683

Presumed name: GRB 131128A

BAT	23^h 41^m 17.52^s, +31° 16′ 44.4″
position:	(355.323, +31.279 ± 180″)
XRT	23^h 41^m 13.94^s, +31° 18′ 22.3″
position:	(355.3081, 31.3062 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	5.16×10²⁰ cm^-2
Galactic E(B-V):	NED unavailable

Best RA:	23^h 41^m 13.94^s	= 355.3081 d
Best Dec:	+31° 18′ 22.3″	= 31.3062 d

Gal Lat:	-29.21
Gal Long:	105.76

Sun angle:	118.18°, -7.4 hr East of Sun

¹Sper #5 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 6 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 23 41 13.95 (31.3062)
- Dec (J2000): +31 18 22.2 ( 31.30766)
- 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
1.0′′	355.30783	31.30636	GCN #15538	GRB 131128A: Enhanced Swift-XRT position
1.9′′	355.30748	31.30620	GCN #15547	GRB 131128A: GROND observations of the afterglow
2.6′′	355.30729	31.30643	GCN #15535	GRB 131128A: Nanshan afterglow candidate
48.5′′	355.30500	31.29300	GCN #15539	GRB 131128A: Swift-BAT refined analysis
149.1′′	355.25992	31.30154	GCN #15540	GRB 131128A: T100 observations

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
7.5	355.3102	31.3051	TYC 2766-858-1	B=12.45, V=11.94

* 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
8.2	355.3057	31.3052	B1=20.1, R1=19.9	USNO-B1
15.9	355.3123	31.3036	R1=18.9, R2=20.0	USNO-B1
35.4	355.3156	31.3136	B2=21.2, I=18.7, R1=19.8, R2=19.8	USNO-B1
46.3	355.3213	31.3124	B=21.3, R=19.8	APM-N
52.9	355.3052	31.2917	B=21.3, R=19.7	APM-N
55.1	355.2911	31.3015	B=21.1, R=18.8	APM-N
62.0	355.2985	31.2910	I=19.3, R1=20.0	USNO-B1
72.9	355.3219	31.2897	B=21.3, R=19.3	APM-N
78.8	355.2933	31.3240	B1=20.8, B2=21.2, I=19.3, R1=19.9, R2=20.0	USNO-B1
103.3	355.2753	31.3000	B=20.2, R=20.0	APM-N

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

There are 48 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
3.6	355.3069	31.3064	B1=20.6, B2=21.0	USNO-B1
7.4	355.3102	31.3051	h=11.0, j=11.2, k=10.9	2MASS
9.2	355.3100	31.3082	B2=20.5, R1=18.8	USNO-B1
28.2	355.3051	31.2988	h=14.9, j=15.5, k=14.8	2MASS
28.2	355.3051	31.2988	B1=19.0, B2=19.1, I=16.6, R1=17.4, R2=17.0	USNO-B1
34.5	355.3126	31.2974	B1=18.2, B2=18.6, I=15.9, R1=16.8, R2=16.1	USNO-B1
34.7	355.3126	31.2974	h=14.2, j=14.8, k=14.0	2MASS
34.9	355.3155	31.3136	h=15.6, j=16.7, k=15.9	2MASS
36.0	355.3198	31.3057	B1=20.2, B2=21.2	USNO-B1
36.5	355.3199	31.3072	h=13.7, j=14.2, k=13.5	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 109 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.