Swift Trigger: 375246

Presumed name: GRB 091109A

BAT	20^h 37^m 03.60^s, -44° 10′ 33.6″
position:	(309.265, -44.176 ± 180″)
XRT	20^h 37^m 01.90^s, -44° 09′ 32.8″
position:	(309.2579, -44.1591 ± 2.3″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.031 mag

Best RA:	20^h 37^m 01.90^s	= 309.2579 d
Best Dec:	-44° 09′ 32.8″	= -44.1591 d

Gal Lat:
Gal Long:

Sun angle:	not found

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.

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Source	Misc
1.5′′	309.25767	-44.15872	GCN #10140	GRB 091109: Enhanced Swift-XRT position
2.6′′	309.25854	-44.15853	GCN #10138	GRB 091109: Swift detection of a burst with optical afterglow
3.3′′	309.25750	-44.15822	GCN #10143	GRB 091109: Swift/UVOT observations
4.0′′	309.25917	-44.15844	GCN #10139	GRB091109: REM detection of the NIR afterglow
6.6′′	309.26045	-44.15936	GCN #10142	GRB 091109: Faulkes Telescope South observations
65.0′′	309.25208	-44.17667	GCN #10141	GRB 091109: Swift-BAT refined analysis

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
65.0	309.2521	-44.1767	GRB 091109A

* 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
3.3	309.2575	-44.1583		NED
36.0	309.2462	-44.1537	R1=19.9, R2=20.8	USNO-B1
44.2	309.2729	-44.1650	B=20.5, R2=19.0	SSS
75.8	309.2286	-44.1603	B=22.1, R2=20.2	SSS
82.8	309.2545	-44.1362	B=21.4, R2=19.1, i=18.0	SSS
92.5	309.2730	-44.1824	B=22.4, R2=20.4	SSS
95.1	309.2233	-44.1500	B=22.0, R2=20.4	SSS
99.9	309.2285	-44.1771	B=22.1	SSS
107.8	309.2339	-44.1346	B2=20.5, R1=20.0, R2=19.8	USNO-B1
117.5	309.2457	-44.1276	R1=20.1, R2=23.9	USNO-B1

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

There are 53 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
6.7	309.2604	-44.1594	B2=18.2, I=17.6, R1=17.6, R2=17.5	USNO-B1
17.0	309.2537	-44.1555	B2=20.4, I=18.7, R1=20.4, R2=21.0	USNO-B1
17.6	309.2603	-44.1545	B2=20.4, R1=19.3, R2=19.9	USNO-B1
40.5	309.2576	-44.1703	R1=19.9, R2=20.1	USNO-B1
41.3	309.2640	-44.1485	B2=18.3, I=17.4, R1=17.6, R2=17.6	USNO-B1
42.1	309.2721	-44.1649	B2=19.7, R1=19.3, R2=19.1	USNO-B1
43.6	309.2726	-44.1650	B2=18.7, R1=18.9, R2=18.8	USNO-B1
48.0	309.2576	-44.1458	B2=19.8, I=18.4, R1=19.1, R2=19.1	USNO-B1
48.8	309.2708	-44.1690	B2=20.5, R2=21.4	USNO-B1
51.3	309.2433	-44.1688	I=17.9, R1=20.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 185 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.