Swift Trigger: 458521

Presumed name: GRB 110801A

BAT	05^h 57^m 08.40^s, +80° 59′ 16.8″
position:	(89.285, 80.988 ± 180″)
XRT	05^h 57^m 45.00^s, +80° 57′ 21.6″
position:	(89.4375, 80.9560 ± 2.3″)
UVOT	05^h 57^m 44.71^s, +80° 57′ 21.6″
position:	(89.4363, +80.9560 ± 0.6″)
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.081 mag

Best RA:	05^h 57^m 44.71^s	= 89.4363 d
Best Dec:	+80° 57′ 21.6″	= +80.9560 d

Gal Lat:
Gal Long:

Sun angle:	65.46°, 2.8 hr West

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

unknown image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 5 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 05 57 45.05 (80.9560)
- Dec (J2000): +80 57 21.5 ( 80.95578)
- Error (90%): 2.2
- Counts in Source: 360

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′′	89.43637	80.95600	GCN #12228	GRB 110801A: Swift detection of a burst with an optical counterpart
0.6′′	89.43603	80.95615	GCN #12232	GRB 110801A: Enhanced Swift-XRT position
0.6′′	89.43696	80.95586	GCN #12236	Swift/UVOT observations of GRB110801A
13.9′′	89.41500	80.95792	GCN #12237	GRB 110801A: Swift-BAT refined analysis
50.1′′	89.35379	80.96106	GCN #12246	GRB 110801A: optical observations in CrAO
50.1′′	89.35379	80.96106	GCN #12241	GRB 110801A: SAO RAS optical observations
50.1′′	89.35379	80.96106	GCN #12275	GRB 110801A: optical observations at Mt. Terskol observatory

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
50.1	89.3538	80.9611	USNO-B1.0 1709-00023450	B=16.7, R=15.7

* 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
29.9	89.4730	80.9501	B=21.7, R=19.7	APM-N
31.1	89.4743	80.9498	B=21.9, R=19.3	APM-N
43.8	89.4310	80.9681	B=21.5, R=19.8	APM-N
45.1	89.4276	80.9435	B1=15.5, B2=15.0, I=13.4, R1=14.3, R2=13.9	USNO-B1
55.6	89.5270	80.9619	B=20.9, R=18.0	APM-N
56.6	89.4190	80.9405	B1=17.6, B2=17.1, I=15.9, R1=16.5, R2=16.3	USNO-B1
59.2	89.5135	80.9449	B1=20.6, I=18.7, R2=20.1	USNO-B1
60.6	89.3323	80.9520	B2=20.9, I=18.4, R1=19.3, R2=19.3	USNO-B1
80.0	89.2953	80.9574	I=18.7, R1=19.9	USNO-B1
81.4	89.3944	80.9776	I=18.4, R2=20.3	USNO-B1

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

There are 88 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
15.0	89.4295	80.9600	h=12.3, j=12.8, k=12.3	2MASS
15.2	89.4294	80.9601	B1=15.3, B2=14.8, I=13.1, R1=14.1, R2=13.7	USNO-B1
22.4	89.3988	80.9540	h=14.5, j=15.0, k=14.6	2MASS
22.5	89.3985	80.9541	B1=17.5, B2=17.1, I=15.4, R1=16.1, R2=16.0	USNO-B1
29.7	89.4728	80.9501	B1=20.8, B2=21.6, I=18.7, R1=19.4, R2=19.5	USNO-B1
39.8	89.4788	80.9648	B2=20.4, R1=19.8	USNO-B1
45.4	89.4281	80.9435	h=12.8, j=13.2, k=12.7	2MASS
46.3	89.4831	80.9665	h=14.1, j=14.7, k=14.3	2MASS
46.3	89.4828	80.9666	B1=17.6, B2=16.7, I=15.2, R1=15.9, R2=15.7	USNO-B1
50.1	89.3537	80.9610	h=14.5, j=14.8, k=14.2	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 148 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.