Swift Trigger: 503652

Presumed name: GRB 110921A

BAT	19^h 36^m 18.72^s, +36° 22′ 37.2″
position:	(294.078, 36.377 ± 180″)
XRT	19^h 36^m 23.59^s, +36° 19′ 43.7″
position:	(294.0983, +36.3288 ± 3.8″)
UVOT	19^h 36^m 15.24^s, +36° 23′ 26.2″
position:	(294.0635, +36.3906 ± 0.7″)
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.134 mag

Best RA:	19^h 36^m 15.24^s	= 294.0635 d
Best Dec:	+36° 23′ 26.2″	= +36.3906 d

Gal Lat:
Gal Long:

Sun angle:	110.06°, -7.7 hr East of Sun

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
64.5′′	294.07800	36.37700	GCN #12373	GRB 110921A: Swift detection of a burst
154.5′′	294.09417	36.35550	GCN #12383	GRB 110921A� Swift-BAT refined analysis
223.2′′	294.08967	36.33228	GCN #12438	GRB 110921A: optical observations
243.8′′	294.09735	36.32862	GCN #12617	GRB 110921A: optical observations in Maidanak observatory
244.0′′	294.09783	36.32872	GCN #12385	GRB 110921A: TNT astrometry
244.7′′	294.09742	36.32836	GCN #12387	GRB 110921A: NOT observations
244.7′′	294.09821	36.32864	GCN #12379	GRB 110921A: Enhanced Swift-XRT position

There are 13 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ around UVOT 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
148.8	294.0466	36.4296	BD+36 3623	B=9.74, H=9.289, J=9.300, K=9.243, V=9.63

* 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
25.1	294.0548	36.3904	B1=18.9, B2=19.0, R1=18.2, R2=19.0	USNO-B1
30.5	294.0665	36.3987	I=17.4, R2=19.4	USNO-B1
32.4	294.0616	36.3817	B1=19.9, B2=19.4, R2=19.6	USNO-B1
43.4	294.0612	36.4025	B1=19.1, B2=19.3	USNO-B1
52.8	294.0817	36.3900	B2=19.2, I=17.4, R1=17.9, R2=18.0	USNO-B1
56.6	294.0649	36.4063	B1=17.6, B2=17.4, I=15.4, R1=16.1, R2=16.0	USNO-B1
57.4	294.0754	36.4033	I=17.4, R1=16.2	USNO-B1
60.0	294.0625	36.4072	B1=16.7, B2=16.8, I=15.6, R1=16.1, R2=16.1	USNO-B1
61.2	294.0505	36.4040	I=17.3, R2=19.0	USNO-B1
62.2	294.0849	36.3905	B1=13.7, B2=13.2, I=10.9, R1=12.0	USNO-B1

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

There are 199 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
8.9	294.0625	36.3930	h=16.3, j=16.4, k=17.1	2MASS
9.1	294.0625	36.3930	B1=18.9, B2=18.5, I=17.2, R1=17.7, R2=17.9	USNO-B1
10.7	294.0672	36.3906	B1=18.3, B2=17.8, I=16.3, R1=17.4, R2=17.4	USNO-B1
11.1	294.0673	36.3909	h=15.0, j=15.7, k=14.6	2MASS
14.0	294.0657	36.3941	h=15.7, j=16.1, k=15.7	2MASS
14.1	294.0657	36.3941	B1=18.0, B2=17.9, I=16.7, R1=17.2, R2=17.3	USNO-B1
14.8	294.0653	36.3868	B1=17.1, B2=17.3, I=16.2, R1=16.4, R2=16.5	USNO-B1
14.9	294.0653	36.3867	h=15.2, j=15.4, k=14.9	2MASS
15.4	294.0588	36.3886	h=15.9, j=14.9, k=14.3	2MASS
18.7	294.0585	36.3873	B1=15.6, B2=15.6, I=13.4, R1=14.4, R2=14.5	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 767 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.