Swift Trigger: 508319

Presumed name: GRB 111123A

BAT	10^h 19^m 24.24^s, -20° 38′ 31.2″
position:	(154.851, -20.642 ± 180″)
XRT	10^h 19^m 23.14^s, -20° 38′ 43.1″
position:	(154.8464, -20.6453 ± 3.3″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.052 mag

Best RA:	10^h 19^m 23.14^s	= 154.8464 d
Best Dec:	-20° 38′ 43.1″	= -20.6453 d

Gal Lat:
Gal Long:

Sun angle:	77.57°, 5.6 hr West

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

- Object 1
- RA (J2000) : 10 19 22.88 ( 154.84534)
- Dec (J2000): -20 38 41.0 ( -20.64473)
- Error (90%): 4.392"
- Counts in Source: 52

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′′	154.84640	-20.64530	GCN #12587	GRB 111123A: Swift detection of a burst
1.5′′	154.84625	-20.64492	GCN #12589	GRB 111123A: GMG optical observation
2.1′′	154.84642	-20.64472	GCN #12593	GRB 111123A: TNG NIR detection of the afterglow candidate
2.2′′	154.84637	-20.64469	GCN #12590	GRB 111123A: Enhanced Swift-XRT position
23.2′′	154.84500	-20.63900	GCN #12598	GRB 111123A� Swift-BAT refined analysis
50.7′′	154.83571	-20.65519	GCN #12613	GRB 111123A: optical upper limit in CrAO
50.7′′	154.83571	-20.65519	GCN #12615	GRB 111123A: optical upper limit in CrAO: correction to the GCN circ. 12613

There are 12 matches in total. See the full table for details.

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

* 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
32.1	154.8494	-20.6369	B=21.5, R2=19.1, i=18.7	SSS
32.2	154.8495	-20.6368	B2=21.5, I=18.5, R1=19.4, R2=19.1	USNO-B1
54.0	154.8325	-20.6528	B=21.5	SSS
56.8	154.8317	-20.6530	B2=20.4, R1=20.4	USNO-B1
78.0	154.8275	-20.6578	B=20.5, R2=18.6, i=18.2	SSS
79.7	154.8255	-20.6350	B1=18.5, I=18.2	USNO-B1
80.9	154.8479	-20.6229	B=22.0, R2=19.9, i=18.8	SSS
85.9	154.8442	-20.6691	B2=20.5, R1=19.2, R2=19.5	USNO-B1
86.0	154.8443	-20.6691	B=21.2, R2=20.0	SSS
87.5	154.8498	-20.6694	B=20.9, R2=19.1, i=17.7	SSS

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

There are 51 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
32.9	154.8540	-20.6396	B1=20.6, B2=19.6, I=18.6, R1=19.6, R2=18.9	USNO-B1
42.1	154.8403	-20.6351	B1=20.6, B2=19.9, I=18.6, R1=18.9, R2=18.8	USNO-B1
42.9	154.8347	-20.6405	I=17.9, R1=20.2	USNO-B1
43.4	154.8340	-20.6485	I=18.8, R1=19.3	USNO-B1
50.5	154.8356	-20.6551	h=16.3, j=16.5, k=17.0	2MASS
50.7	154.8357	-20.6552	B1=18.5, B2=18.0, I=16.9, R1=17.7, R2=17.2	USNO-B1
59.9	154.8307	-20.6532	I=19.1, R1=20.6, R2=18.9	USNO-B1
72.5	154.8588	-20.6618	B2=20.4, R2=19.1	USNO-B1
75.2	154.8563	-20.6640	B1=19.9, B2=20.6, I=18.9, R2=19.2	USNO-B1
78.1	154.8262	-20.6346	B1=20.3, B2=19.7, I=18.9, R2=19.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 110 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.