Swift Trigger: 303631

Presumed name: GRB 080218B

BAT	11^h 51^m 48.24^s, -53° 06′ 00.0″
position:	(177.951, -53.100 ± 180″)
XRT	11^h 51^m 49.63^s, -53° 05′ 49.3″
position:	(177.95680, -53.09704 ± 2.7″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.174 mag

Best RA:	11^h 51^m 49.63^s	= 177.95680 d
Best Dec:	-53° 05′ 49.3″	= -53.09704 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
1.3′′	177.95738	-53.09711	GCN #7320	GRB 080218B: Enhanced Swift-XRT position
3.5′′	177.95521	-53.09725	GCN #7327	ESO optical and NIR observations of GRB 080218B
4.0′′	177.95600	-53.09603	GCN #7314	GRB 080218B: Swift detection of a burst
75.6′′	177.92667	-53.08639	GCN #7325	GRB 080218B� Swift-BAT refined analysis

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
75.5	177.9267	-53.0864	GRB 080218B
158.7	177.9754	-53.1397	IRAS 11493-5251

* 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
5.0	177.9546	-53.0972		NED
5.9	177.9583	-53.0957	B2=18.0, I=17.2, R1=18.5, R2=20.1	USNO-B1
13.9	177.9617	-53.0996	I=15.3, R2=20.1	USNO-B1
17.3	177.9635	-53.0944	B=20.2, R2=19.6	SSS
18.3	177.9556	-53.1021	B2=21.2, I=18.0, R1=18.1, R2=20.1	USNO-B1
21.8	177.9469	-53.0961	B2=19.7, R1=17.9, R2=18.3	USNO-B1
21.8	177.9468	-53.0963	B=20.9, i=19.2	SSS
21.9	177.9472	-53.0951	B2=16.7, I=16.2, R1=15.9, R2=16.0	USNO-B1
25.5	177.9525	-53.0904	B=19.4, R2=18.5, i=17.7	SSS
26.9	177.9482	-53.1024	B2=17.8, R1=16.1, R2=16.7	USNO-B1

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

There are 450 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
12.5	177.9618	-53.0988	B2=20.6, I=18.3, R1=19.2, R2=19.5	USNO-B1
13.3	177.9607	-53.0999	I=15.2, R2=17.8	USNO-B1
13.4	177.9603	-53.1001	B2=18.9, I=17.4, R1=17.3, R2=17.7	USNO-B1
16.9	177.9633	-53.0944	B2=20.6, R2=19.6	USNO-B1
21.8	177.9473	-53.0950	h=15.5, j=15.7, k=15.4	2MASS
22.2	177.9469	-53.0986	B2=20.4, R2=19.8	USNO-B1
22.3	177.9510	-53.0919	B2=17.1, I=15.5, R1=15.4, R2=15.9	USNO-B1
22.5	177.9508	-53.0919	h=14.8, j=15.0, k=14.7	2MASS
25.6	177.9527	-53.0904	B2=19.1, I=17.6, R1=17.9, R2=17.8	USNO-B1
26.3	177.9526	-53.0902	B2=20.4, I=15.6, R2=15.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 749 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.