Skip banner and navigation tools.

Home > GRB region information > 353627

Swift Trigger: 353627

Presumed name: GRB 090531A

Back to trigger list.

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

BAT	11h 54m 44.88s, +07° 47′ 56.4″
position:	(178.687, +7.799 ± 180″)
XRT	No position available.
UVOT	No position available.
Galactic NHI:	0.00×100 cm-2
Galactic E(B-V):	0.016 mag

Best RA:	11h 54m 44.88s	= 178.687 d
Best Dec:	+07° 47′ 56.4″	= +7.799 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

No UVOT images are currently available.

---

XRT SPER data

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	Date reported	Source	Misc	Query
0.0′′	178.68700	7.79900		GCN #9454	GRB 090531: Swift detection of a burst
104.3′′	178.67250	7.82417		GCN #9460	GRB 090531: Swift-BAT refined analysis
129.5′′	178.65539	7.81671		GCN #9525	Swift XRT observations of GRB 090531A

---

Catalogue Searches. Searched 3.33′ around BAT 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
81.7	178.7073	7.7885	TYC 864-7-1	B=12.0, H=9.877, J=10.171, K=9.775, V=11.1
94.0	178.6808	7.7736	NVSS J115443+074621
112.1	178.7145	7.7838	2MASS J11545146+0747017	B=15.0, H=11.982, J=12.500, K=11.893, R=13.8

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
7.4	178.6849	7.7988		B1=20.3, I=18.2	USNO-B1
13.1	178.6833	7.7992			NED
18.7	178.6833	7.8028		Mag=23.4	NED
25.3	178.6799	7.7984		R=22.2, g=22.9, i=22.3, u=23.7, z=24.6	SDSS
26.2	178.6900	7.7922		Mag=21.3	NED
26.2	178.6899	7.7923		R=22.0, g=24.7, i=21.1, u=25.6, z=20.7	SDSS
27.9	178.6842	7.8064		Mag=23.7	NED
28.3	178.6897	7.7916		B=22.4, R=19.9	APM-N
38.4	178.6763	7.7974		R=22.4, g=23.1, i=21.4, u=22.3, z=21.8	SDSS
38.6	178.6808	7.7902		B=22.3, R=20.0	APM-N

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

There are 434 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	178.6833	7.8027	I=22.6, R=22.6, g=23.4, u=25.3, z=23.3	SDSS
27.4	178.6947	7.7986	B1=20.8, R1=19.7	USNO-B1
27.9	178.6844	7.8063	I=21.3, R=22.5, g=23.7, u=24.3, z=20.5	SDSS
39.6	178.6775	7.7933	I=23.9, R=24.8, g=25.5, u=25.2, z=20.9	SDSS
39.7	178.6806	7.7900	I=21.6, R=21.8, g=22.2, u=22.9, z=21.5	SDSS
40.1	178.6945	7.8072	B1=20.1, B2=20.5	USNO-B1
41.3	178.6943	7.8079	I=20.0, R=20.1, g=20.3, u=21.2, z=19.9	SDSS
41.8	178.6945	7.8079	B1=20.6, B2=20.4, R2=20.2	USNO-B1
46.7	178.6785	7.7891	I=20.9, R=21.9, g=23.6, u=23.6, z=20.6	SDSS
52.1	178.6955	7.8108	I=21.8, R=23.1, g=25.4, u=24.2, z=21.3	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 212 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.