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Home > GRB region information > 285654

Swift Trigger: 285654

Presumed name: GRB 070721B

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

BAT	02h 12m 31.44s, -02° 11′ 02.4″
position:	(33.131, -2.184 ± 10800″)
XRT	02h 12m 32.41s, -02° 11′ 45.7″
position:	(33.13506, -2.19602 ± 6″)
UVOT	No position available.
Galactic NHI:	0.00×100 cm-2
Galactic E(B-V):	0.031 mag

Best RA:	02h 12m 32.41s	= 33.13506 d
Best Dec:	-02° 11′ 45.7″	= -2.19602 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

No UVOT images are currently available.

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XRT SPER data

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
0.0′′	33.13506	-2.19602		GCN #6640	GRB 070721B: Swift detection of a burst
8.9′′	33.13708	-2.19461		GCN #6646	GRB 070721B: Swift-XRT refined analysis
9.5′′	33.13729	-2.19461		GCN #6641	GRB070721B: A bright UVOT candidate
9.5′′	33.13737	-2.19472		GCN #6651	GRB 070721B: optical observations and proposed redshift
9.8′′	33.13750	-2.19483		GCN #6655	GRB 070721B: further observations and analysis
9.9′′	33.13737	-2.19456		GCN #6713	GRB 070721B: correct afterglow position
25.6′′	33.12833	-2.19833		GCN #6643	GRB 070721B� Swift-BAT refined analysis

There are 12 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
9.5	33.1373	-2.1946	GRB 070721B
124.2	33.1638	-2.2151	TYC 4690-878-1	B=11.6, H=9.803, J=10.098, K=9.722, V=10.9
179.7	33.1733	-2.2281	HD 13598	B=8.65, H=4.387, J=5.028, K=4.125, V=7.30

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
8.8	33.1367	-2.1944			NED
9.8	33.1375	-2.1944	3.626000		NED
20.4	33.1302	-2.1990		B2=18.2, I=23.2, R1=18.3, R2=16.6	USNO-B1
22.0	33.1375	-2.1904		I=18.3, R2=20.2	USNO-B1
27.4	33.1286	-2.2001		I=18.9, R1=19.0	USNO-B1
28.5	33.1357	-2.1881		B1=21.1, B2=21.5, R2=19.6	USNO-B1
47.8	33.1218	-2.1958		I=18.9, R2=19.8	USNO-B1
54.2	33.1466	-2.2057		B=21.7, R=20.0	APM-N
54.6	33.1472	-2.2052		B1=21.0, I=18.6, R2=20.7	USNO-B1
58.2	33.1394	-2.2116		B2=20.8, I=18.9	USNO-B1

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

There are 104 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
14.7	33.1372	-2.1995	B2=21.2, R2=20.7	USNO-B1
19.7	33.1306	-2.1992	h=13.8, j=14.3, k=13.6	2MASS
19.9	33.1306	-2.1992	B1=19.1, B2=18.0, I=15.2, R2=18.6	USNO-B1
32.8	33.1423	-2.2016	B1=20.7, B2=20.8, I=18.6	USNO-B1
37.8	33.1455	-2.1974	B1=20.0, I=18.3	USNO-B1
39.1	33.1299	-2.1865	B1=20.9, B2=19.9, R2=19.1	USNO-B1
39.4	33.1297	-2.1864	h=14.7, j=15.2, k=14.2	2MASS
39.7	33.1297	-2.1864	B1=19.9, B2=19.9, I=16.9, R1=18.7, R2=18.6	USNO-B1
47.5	33.1407	-2.2079	B1=20.6, I=18.8	USNO-B1
59.9	33.1326	-2.1796	B1=21.1, R2=20.7	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 150 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.