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Summary|
Sky images|
UVOT images|
SPER data|
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[Hide] [Trigger list]

Swift Trigger: 500914;

Presumed name: GRB 110818A

Back to trigger list.

BAT	21^h 09^m 32.16^s, -63° 58′ 12.0″
position:	(317.384, -63.970 ± 180″)
XRT	21^h 09^m 21.05^s, -63° 58′ 52.3″
position:	(317.3377, -63.9812 ± 2.0″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.035 mag

Best RA:	21^h 09^m 21.05^s	= 317.3377 d
Best Dec:	-63° 58′ 52.3″	= -63.9812 d

Gal Lat:
Gal Long:

Sun angle:	128.58°, -11.3 hr East of Sun

¹Sper #7 auto processing.

Galaxies within 3.33 of XRT position

	RA*	Dec*	Redshift		Catalogue	Query
73.1	317.3334	-64.0014		B2=20.5, R1=19.9	USNO-B1
104.8	317.3009	-64.0054		B2=19.8, I=18.6, R2=21.4	USNO-B1
122.8	317.3578	-64.0142		B2=19.2, I=18.2, R1=18.5, R2=18.6	USNO-B1
136.3	317.4171	-63.9667			NED
149.3	317.2473	-63.9691		B2=18.6, I=18.5, R1=18.4	USNO-B1
158.9	317.2874	-64.0194		B=19.1, R2=17.9, i=17.1	SSS
169.1	317.3063	-63.9363		R1=20.3, R2=20.4	USNO-B1
169.7	317.3928	-64.0217		B2=20.2, R2=19.8	USNO-B1
170.2	317.2686	-64.0175		B2=15.0, I=13.3, R1=13.6, R2=13.7	USNO-B1
173.0	317.2760	-64.0209		B=21.4	SSS
173.2	317.3958	-64.0220		B2=20.4, R2=21.1	USNO-B1
175.8	317.3435	-63.9324		B2=20.5, I=18.5, R2=19.9	USNO-B1
176.2	317.3404	-63.9323		B2=20.4, R2=20.2	USNO-B1
178.9	317.2247	-63.9780		B2=17.8, I=15.1, R1=16.0, R2=16.0	USNO-B1
179.4	317.4444	-63.9642		h=13.5, j=14.2, k=13.0	2MASS
179.5	317.4442	-63.9642			NED
181.4	317.3588	-63.9317		B2=19.4, R1=19.4, R2=19.8	USNO-B1
184.8	317.3001	-64.0298		B=22.3	SSS

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

* 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