Swift Trigger: 509018

Presumed name: GRB 111204A

BAT	22^h 26^m 33.84^s, -31° 23′ 42.0″
position:	(336.641, -31.395 ± 180″)
XRT	22^h 26^m 30.99^s, -31° 22′ 30.5″
position:	(336.62912, -31.37514 ± 3.8″)
UVOT	No position available.
Galactic N_HI:	1.08×10²⁰ cm^-2
Galactic E(B-V):	0.013 mag

Best RA:	22^h 26^m 30.99^s	= 336.62912 d
Best Dec:	-31° 22′ 30.5″	= -31.37514 d

Gal Lat:	-58.25
Gal Long:	16.45

Sun angle:	75.62°, -5.8 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 2 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 22 26 30.99 ( 336.62912)
- Dec (J2000): -31 22 30.5 ( -31.37514)
- Error (90%): 3.778"
- Counts in Source: 82

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′′	336.62912	-31.37514	GCN #12612	GRB 111204A: Swift detection of a burst
2.3′′	336.62850	-31.37481	GCN #12614	GRB 111204A: Enhanced Swift-XRT position
2.6′′	336.62838	-31.37481	GCN #12622	GRB 111204A: GROND Observations
154.1′′	336.65083	-31.41372	GCN #12620	GRB 111204A� 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
129.9	336.6055	-31.4051	2MASS J22262532-3124182	H=10.081, J=10.672, K=9.840
161.2	336.6743	-31.3979	2dFGRS TGS337Z153	B=17.703, R=16.848
163.8	336.5763	-31.3692	[VV2006] J222618.4-312209	B=19.70
185.5	336.6819	-31.4002	2dFGRS TGS412Z108	B=17.957, R=17.586
188.6	336.5748	-31.3507	2dFGRS TGS412Z119	B=19.326, R=18.135

There are 5 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
23.1	336.6219	-31.3770	B=21.8	SSS
32.9	336.6256	-31.3838	R1=20.6, R2=20.4	USNO-B1
49.5	336.6164	-31.3836	B1=21.4, B2=18.7	USNO-B1
53.7	336.6148	-31.3837	B1=21.3, B2=15.0, R2=21.1	USNO-B1
64.6	336.6197	-31.3591	B1=21.4, B2=14.4, R1=19.5	USNO-B1
65.2	336.6362	-31.3922	B2=14.8, R2=20.4	USNO-B1
72.0	336.6459	-31.3612	B=22.2	SSS
94.0	336.6046	-31.3907	B2=19.8, R2=20.2	USNO-B1
94.1	336.6047	-31.3908	B=22.0	SSS
105.3	336.5951	-31.3719	B2=18.4, I=18.4, R1=20.1, R2=19.5	USNO-B1

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

There are 71 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
6.9	336.6310	-31.3741	h=15.6, j=16.3, k=15.6	2MASS
7.2	336.6311	-31.3740	B1=19.7, B2=20.6, I=17.4, R1=17.4, R2=17.4	USNO-B1
45.9	336.6241	-31.3632	h=16.4, j=16.8, k=15.9	2MASS
46.0	336.6238	-31.3632	B2=17.0, I=18.5, R1=19.7, R2=19.9	USNO-B1
46.2	336.6417	-31.3822	B2=16.6, I=19.1, R1=19.8, R2=20.2	USNO-B1
47.0	336.6138	-31.3747	B2=17.4, R2=20.4	USNO-B1
49.1	336.6328	-31.3619	B1=20.6, B2=20.9, I=18.2, R1=18.6, R2=18.5	USNO-B1
63.2	336.6466	-31.3844	B2=19.7, R1=19.9	USNO-B1
63.4	336.6459	-31.3649	R1=19.9, R2=20.4	USNO-B1
64.4	336.6469	-31.3846	B2=19.9, R1=19.5	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 142 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.