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Home > GRB region information > 373458

Swift Trigger: 373458

Presumed name: GRB 091020

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

BAT	11h 42m 51.60s, +50° 58′ 19.2″
position:	(175.715, +50.972 ± 180″)
XRT	11h 42m 55.20s, +50° 58′ 41.9″
position:	(175.7300, 50.9783 ± 2.1″)
UVOT	No position available.
Galactic NHI:	0.00×100 cm-2
Galactic E(B-V):	0.017 mag

Best RA:	11h 42m 55.20s	= 175.7300 d
Best Dec:	+50° 58′ 41.9″	= 50.9783 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
0.1′′	175.73000	50.97833		GCN #10054	GRB091020 Swift/UVOT observations
0.2′′	175.72992	50.97831		GCN #10048	GRB 091020: Swift detection of a burst with an optical afterglow
0.3′′	175.73004	50.97839		GCN #10050	GRB 091020: Enhanced Swift-XRT position
0.8′′	175.73028	50.97816		GCN #10088	Radio afterglow detection from GRB 091020
8.3′′	175.72700	50.97700		GCN #10051	GRB 091020� Swift-BAT refined analysis
142.3′′	175.70500	51.01456		GCN #10076	GRB 091020: Early TLS Multicolor detections� red afterglow

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

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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
0.1	175.7300	50.9783	GRB 091020
172.6	175.6590	50.9610	2MASS J11423814+5057396	B=19.8, H=13.48, I=15.5, J=14.08, K=13.26, R=18.0

* 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
0.2	175.7300	50.9783			NED
11.2	175.7337	50.9761		Mag=20.9	NED
11.3	175.7256	50.9797		B2=18.7, I=19.3	USNO-B1
18.2	175.7379	50.9783		Mag=21.9	NED
18.3	175.7381	50.9782		R=20.6, g=21.8, i=20.1, u=22.3, z=19.9	SDSS
23.8	175.7237	50.9728		Mag=23.1	NED
27.3	175.7326	50.9709		R=24.5, g=24.2, i=21.7, u=25.8, z=22.9	SDSS
29.0	175.7208	50.9842		Mag=23.3	NED
31.5	175.7163	50.9772		Mag=23.9	NED
31.5	175.7162	50.9773		R=21.7, g=24.6, i=20.7, u=24.6, z=20.0	SDSS

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

There are 426 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
7.8	175.7318	50.9801	I=21.3, R=23.2, g=25.6, u=25.8, z=20.4	SDSS
10.5	175.7334	50.9763	B1=20.6, B2=21.0, R1=20.2, R2=19.9	USNO-B1
11.2	175.7336	50.9762	I=20.5, R=20.6, g=20.9, u=21.5, z=20.3	SDSS
18.0	175.7379	50.9783	B2=20.4, R2=20.0	USNO-B1
23.8	175.7240	50.9729	I=21.8, R=22.1, g=23.1, u=23.2, z=21.3	SDSS
24.4	175.7194	50.9797	I=22.4, R=24.8, g=26.2, u=25.8, z=23.1	SDSS
28.3	175.7298	50.9862	I=22.1, R=24.0, g=25.7, u=24.9, z=23.6	SDSS
29.0	175.7211	50.9841	I=21.9, R=22.8, g=23.4, u=25.1, z=21.8	SDSS
30.1	175.7428	50.9805	I=18.3, R1=19.8	USNO-B1
35.7	175.7410	50.9712	B2=21.0, I=19.2, R1=19.7	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 166 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.