Swift Trigger: 348428

Presumed name: GRB 090404

BAT	15^h 56^m 52.32^s, +35° 30′ 00.0″
position:	(239.218, +35.500 ± 180″)
XRT	15^h 56^m 57.58^s, +35° 30′ 58.0″
position:	(239.2399, 35.5161 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.021 mag

Best RA:	15^h 56^m 57.58^s	= 239.2399 d
Best Dec:	+35° 30′ 58.0″	= 35.5161 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
0.2′′	239.23988	35.51614	GCN #9088	GRB 090404: Enhanced Swift-XRT position
0.8′′	239.23967	35.51597	GCN #9100	GRB 090404: millimeter detection
1.8′′	239.24050	35.51617	GCN #9093	GRB 090404: NOT observations
14.7′′	239.23510	35.51730	GCN #9086	GRB 090404: Swift detection of a burst
21.3′′	239.23300	35.51800	GCN #9089	GRB 090404: Swift-BAT refined analysis

There are 11 matches in total. See the full table for details.

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
22.4	239.2325	35.5176	GRB 090404
111.1	239.2037	35.5069	LTT 14738	B=11.16, H=8.430, I=9.5, J=8.862, K=8.391, R=9.9, V=10.38
116.2	239.2030	35.5043	CCDM J15568+3530A
116.3	239.2030	35.5043	HD 143062	B=9.620, H=7.828, I=8.5, J=8.109, K=7.726, R=8.9, U=9.880, V=8.940

There are 4 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*		Catalogue
1.2	239.2396	35.5158		NED
1.8	239.2404	35.5161	Mag=23.6	NED
4.9	239.2383	35.5167	Mag=23.9	NED
14.2	239.2350	35.5167	Mag=22.7	NED
14.2	239.2351	35.5167	R=21.7, g=22.6, i=21.4, u=23.5, z=20.3	SDSS
14.8	239.2350	35.5172	Mag=22.7	NED
16.3	239.2412	35.5117	Mag=22.3	NED
21.9	239.2433	35.5214	Mag=22.4	NED
23.0	239.2444	35.5109	R=22.1, g=25.2, i=20.9, u=26.5, z=20.0	SDSS
23.0	239.2442	35.5108	Mag=24.8	NED

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

There are 476 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
1.8	239.2405	35.5162	I=22.2, R=22.8, g=23.5, u=24.2, z=22.2	SDSS
4.9	239.2384	35.5168	I=21.8, R=22.6, g=23.8, u=25.7, z=20.8	SDSS
16.2	239.2412	35.5117	I=21.6, R=21.7, g=22.3, u=23.4, z=21.4	SDSS
21.9	239.2433	35.5215	I=19.7, R=21.1, g=22.5, u=24.5, z=19.1	SDSS
26.9	239.2420	35.5234	B1=19.9, B2=19.1, I=16.9, R1=18.5, R2=17.2	USNO-B1
26.9	239.2420	35.5234	h=15.9, j=16.0, k=15.1	2MASS
29.9	239.2494	35.5191	I=19.1, R1=19.5	USNO-B1
32.6	239.2306	35.5211	B1=20.5, B2=21.0	USNO-B1
35.8	239.2486	35.5231	I=22.2, R=23.7, g=23.7, u=24.6, z=21.6	SDSS
35.9	239.2411	35.5260	I=19.8, R=21.2, g=22.6, u=24.9, z=19.2	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 236 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.