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Swift Trigger: 373172

Presumed name: GRB 091018

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	02h 08m 50.64s, -57° 31′ 33.6″
position:	(32.211, -57.526 ± 180″)
XRT	02h 08m 44.69s, -57° 32′ 55.3″
position:	(32.1862, -57.5487 ± 2.1″)
UVOT	No position available.
Galactic NHI:	0.00×100 cm-2
Galactic E(B-V):	0.029 mag

Best RA:	02h 08m 44.69s	= 32.1862 d
Best Dec:	-57° 32′ 55.3″	= -57.5487 d
Gal Lat:
Gal Long:
Sun angle:	not found

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

Blink images with DSS (link via GSFC)

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XRT SPER data

SPER results page for this trigger.

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

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
1.6′′	32.18588	-57.54828		GCN #10034	GRB 091018: Swift detection of a burst with optical afterglow
1.7′′	32.18588	-57.54825		GCN #10037	GRB 091018: Enhanced Swift-XRT position
1.9′′	32.18583	-57.54822		GCN #10036	GRB 091018: ROTSE-III Detection of Optical Counterpart
13.4′′	32.19100	-57.54600		GCN #10040	GRB 091018: Swift-BAT refined analysis

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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
139.8	32.1626	-57.5120	2MASS J02083902-5730432	B=17.97, H=12.037, I=14.41, J=12.530, K=11.813, R=15.94

* 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*	Redshift		Catalogue	Query
1.6	32.1858	-57.5483			NED
43.2	32.2032	-57.5565		B=22.0, R2=20.2	SSS
47.0	32.1672	-57.5406		B2=20.5, R2=20.7	USNO-B1
54.2	32.1973	-57.5625		B=22.5	SSS
68.7	32.2043	-57.5323		B=22.2	SSS
80.8	32.1869	-57.5263		B2=20.6, R2=23.9	USNO-B1
81.1	32.2138	-57.5317		B=20.4, R2=18.6, i=18.2	SSS
81.2	32.1467	-57.5567		Mag=19.15	NED
81.8	32.2138	-57.5317		Mag=20.34	NED
83.5	32.1869	-57.5255		B2=20.1, R2=24.2	USNO-B1

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

There are 49 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	Query
42.7	32.2030	-57.5564	R1=20.4, R2=20.7	USNO-B1
45.8	32.2016	-57.5390	B2=19.4, I=16.2, R1=16.5, R2=16.3	USNO-B1
45.9	32.2018	-57.5391	h=14.9, j=15.4, k=14.7	2MASS
46.2	32.1922	-57.5363	B2=20.4, I=18.9, R2=19.7	USNO-B1
50.0	32.1921	-57.5352	B2=20.7, I=18.9, R1=20.1, R2=20.2	USNO-B1
70.6	32.2163	-57.5375	B2=19.6, I=17.1, R1=17.0, R2=16.8	USNO-B1
70.8	32.2165	-57.5376	h=15.4, j=16.1, k=15.2	2MASS
77.5	32.1489	-57.5566	I=19.0, R1=19.2, R2=19.3	USNO-B1
79.0	32.1480	-57.5566	B2=18.7, R1=20.0	USNO-B1
80.2	32.2122	-57.5661	B2=16.1, I=13.0, R1=13.6, R2=13.5	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 70 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.