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Swift Trigger: 350479

Presumed name: GRB 090426

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

BAT	12h 36m 21.84s, +32° 57′ 57.6″
position:	(189.091, +32.966 ± 180″)
XRT	12h 36m 17.95s, +32° 59′ 09.2″
position:	(189.0748, 32.9859 ± 2.0″)
UVOT	No position available.
Galactic NHI:	0.00×100 cm-2
Galactic E(B-V):	0.017 mag

Best RA:	12h 36m 17.95s	= 189.0748 d
Best Dec:	+32° 59′ 09.2″	= 32.9859 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
0.7′′	189.07496	32.98606		GCN #9259	GRB 090426: Enhanced Swift-XRT position
1.5′′	189.07529	32.98600		GCN #9254	GRB 090426: Swift detection of a burst with an optical counterpart
1.5′′	189.07529	32.98600		GCN #9265	GRB090426 Swift/UVOT observations
1.9′′	189.07542	32.98577		GCN #9312	GRB 090426: optical observations
19.7′′	189.08121	32.98486		GCN #9256	GRB 090426: inspection of SDSS images
35.8′′	189.08200	32.97800		GCN #9263	GRB 090426: Swift-BAT refined analysis

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
19.7	189.0812	32.9849	GRB 090426
19.8	189.0812	32.9848	SDSS J123619.49+325905.3	g=21.00, i=19.26, r=19.71, u=21.76, z=18.75
94.7	189.1050	32.9928	NGP9 F268-1793469
182.6	189.0617	33.0354	NGP9 F268-1792828
191.2	189.0357	33.0277	2MASX J12360856+3301395	H=14.344, J=15.001, K=13.955

There are 5 SIMBAD objects within the position error. The full list is here.

* 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
1.4	189.0750	32.9858			NED
1.5	189.0754	32.9861			NED
18.7	189.0804	32.9881		Mag=22.9	NED
19.8	189.0813	32.9847		Mag=20.8	NED
19.8	189.0812	32.9848		R=19.7, g=21.0, i=19.2, u=21.7, z=18.7	SDSS
21.9	189.0694	32.9900		B=21.7, R=20.0	APM-N
25.6	189.0673	32.9892		R=22.3, g=23.1, i=22.5, u=24.3, z=23.5	SDSS
25.6	189.0671	32.9892		Mag=22.5	NED
25.6	189.0719	32.9926		R=23.2, g=22.9, i=23.0, u=23.3, z=21.9	SDSS
40.1	189.0646	32.9786		Mag=21.9	NED

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

There are 326 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
18.7	189.0804	32.9882	I=21.7, R=22.3, g=22.7, u=22.2, z=22.2	SDSS
20.6	189.0815	32.9849	B2=20.7, R1=19.5, R2=19.9	USNO-B1
21.7	189.0819	32.9849	B1=20.6, B2=21.3, I=19.0, R2=19.7	USNO-B1
28.7	189.0656	32.9879	I=22.8, R=22.9, g=23.2, u=24.9, z=22.5	SDSS
39.3	189.0630	32.9813	I=18.9, R2=18.6	USNO-B1
39.9	189.0647	32.9787	B2=21.9, I=18.8, R2=20.5	USNO-B1
43.3	189.0605	32.9866	I=23.1, R=22.7, g=22.8, u=23.3, z=21.4	SDSS
47.9	189.0765	32.9727	B2=21.8, R2=20.4	USNO-B1
51.2	189.0579	32.9850	I=19.1, R1=19.5, R2=20.4	USNO-B1
52.5	189.0749	33.0005	h=16.1, j=16.6, k=16.2	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 135 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.