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Swift Trigger: 350311

Presumed name: GRB 090424

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

BAT	12h 38m 09.12s, +16° 49′ 44.4″
position:	(189.538, +16.829 ± 180″)
XRT	12h 38m 05.34s, +16° 50′ 12.9″
position:	(189.52224, 16.83692 ± 4.1″)
UVOT	No position available.
Galactic NHI:	0.00×100 cm-2
Galactic E(B-V):	0.025 mag

Best RA:	12h 38m 05.34s	= 189.52224 d
Best Dec:	+16° 50′ 12.9″	= 16.83692 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
3.7′′	189.52130	16.83640		GCN #9223	GRB 090424: Swift detection of a burst with an optical counterpart
3.9′′	189.52125	16.83742		GCN #9320	GRB 090424: optical observations
4.2′′	189.52125	16.83758		GCN #9239	GRB 090424 optical observations
4.9′′	189.52108	16.83772		GCN #9232	GRB 090424: Enhanced Swift-XRT position
5.3′′	189.52083	16.83750		GCN #9246	GRB 090424: THO optical observations
40.1′′	189.53083	16.82942		GCN #9231	GRB 090424: 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
40.1	189.5308	16.8294	GRB 090424
108.9	189.5396	16.8622	NVSS J123809+165145
125.0	189.4995	16.8640	2MASS J12375987+1651502	B=17.8, H=15.082, J=15.661, K=14.890, R=16.3

There are 3 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
4.0	189.5212	16.8374		R=22.4, g=23.1, i=22.1, u=23.3, z=21.9	SDSS
4.0	189.5213	16.8375		Mag=20.0	NED
4.0	189.5213	16.8375		Mag=20.0	NED
15.4	189.5179	16.8372		Mag=22.8	NED
15.4	189.5178	16.8374		R=22.5, g=23.0, i=22.5, u=23.2, z=22.3	SDSS
16.4	189.5183	16.8397		Mag=21.2	NED
19.9	189.5260	16.8411		R=24.9, g=25.7, i=24.4, u=21.7, z=23.2	SDSS
20.1	189.5223	16.8313		I=19.0, R2=19.7	USNO-B1
20.3	189.5221	16.8314		Mag=22.2	NED
20.9	189.5185	16.8415		R=22.6, g=23.6, i=22.2, u=23.7, z=22.6	SDSS

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

There are 474 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
16.4	189.5184	16.8396	I=20.1, R=20.4, g=21.2, u=23.6, z=20.0	SDSS
17.2	189.5183	16.8399	B1=20.3, B2=20.1, I=19.0, R2=19.7	USNO-B1
20.3	189.5223	16.8313	I=19.7, R=20.8, g=22.1, u=24.6, z=19.1	SDSS
22.3	189.5240	16.8429	B1=20.6, I=18.8	USNO-B1
27.9	189.5206	16.8293	I=22.0, R=21.9, g=22.3, u=22.9, z=22.5	SDSS
28.2	189.5256	16.8441	I=22.4, R=22.7, g=22.9, u=22.5, z=22.7	SDSS
31.5	189.5167	16.8439	I=18.9, R1=19.4, R2=19.5	USNO-B1
32.4	189.5315	16.8353	I=23.6, R=23.0, g=25.5, u=25.3, z=22.5	SDSS
38.0	189.5326	16.8404	I=14.8, R=15.8, g=17.2, u=19.9, z=14.3	SDSS
38.1	189.5327	16.8404	h=12.3, j=12.9, k=12.1	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 181 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.