Swift Trigger: 282808

Presumed name: GRB 070621

BAT	21^h 35^m 12.96^s, -24° 48′ 21.6″
position:	(323.804, -24.806 ± 180″)
XRT	21^h 35^m 09.82^s, -24° 49′ 05.2″
position:	(323.7909, -24.8181 ± 4.7″)
UVOT	No position available.
Galactic N_HI:	0.00×10⁰ cm^-2
Galactic E(B-V):	0.048 mag

Best RA:	21^h 35^m 09.82^s	= 323.7909 d
Best Dec:	-24° 49′ 05.2″	= -24.8181 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′′	323.79083	-24.81808	GCN #6560	GRB 070621: Swift detection of a burst
4.3′′	323.79200	-24.81875	GCN #6574	GRB 070621: VLT optical observations
4.3′′	323.79196	-24.81881	GCN #6565	GRB 070621: NOT observations
4.4′′	323.79208	-24.81753	GCN #6567	GRB 070621: UVOT-enhanced XRT position
4.6′′	323.79217	-24.81867	GCN #6575	GRB070621: RTT150 optical observations
4.7′′	323.79225	-24.81858	GCN #6568	GRB 070621: Gemini South optical imaging
4.9′′	323.79225	-24.81753	GCN #6569	GRB070621: Swift XRT refined analysis
5.9′′	323.79258	-24.81872	GCN #6572	Keck Laser Guide Star Adaptive Optics Imaging of GRB 070621
59.2′′	323.80600	-24.80900	GCN #6571	GRB 070621: Swift-BAT refined analysis

There are 16 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		Query
4.9	323.7923	-24.8175	GRB 070621
32.8	323.7883	-24.8269	2MASS J21350918-2449368	B=19.1, H=16.250, J=16.318, K=15.798, R=17.6

* 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
4.8	323.7921	-24.8175			NED
4.9	323.7921	-24.8175	1.500000		NED
17.5	323.7928	-24.8136		B=21.9	SSS
20.5	323.7919	-24.8237		B2=20.6, R1=19.1	USNO-B1
28.0	323.7854	-24.8122		B=21.5, R2=20.5	SSS
31.4	323.8003	-24.8162		B=21.9	SSS
34.7	323.8015	-24.8183		B=21.7, R2=19.7	SSS
34.9	323.8016	-24.8183		B2=20.4, R2=20.6	USNO-B1
40.0	323.8018	-24.8231		B=22.1, R2=19.4	SSS
43.1	323.8023	-24.8241		B=21.9	SSS

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

There are 57 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
27.3	323.7829	-24.8204	B2=20.6, R2=20.4	USNO-B1
32.2	323.7884	-24.8267	B1=19.5, B2=19.1, I=17.2, R1=17.7, R2=17.6	USNO-B1
32.8	323.7883	-24.8269	h=16.2, j=16.3, k=15.8	2MASS
37.8	323.7967	-24.8272	I=18.6, R1=19.4, R2=19.7	USNO-B1
42.2	323.8023	-24.8237	R1=18.9, R2=20.1	USNO-B1
54.6	323.8047	-24.8267	h=16.0, j=16.3, k=15.4	2MASS
55.2	323.8051	-24.8265	B2=20.6, I=18.1, R2=19.9	USNO-B1
56.7	323.7755	-24.8254	B1=19.8, B2=20.4, I=17.8, R1=18.5, R2=18.8	USNO-B1
58.2	323.8037	-24.8068	h=15.1, j=15.6, k=14.9	2MASS
58.7	323.8037	-24.8067	B2=20.3, I=17.0, R1=18.3, R2=18.6	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 110 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.