Swift Trigger: 1088376

Presumed name: GRB 211207A

BAT	09^h 58^m 30.00^s, -24° 21′ 07.2″
position:	(149.625, -24.352 ± 180″)
XRT	09^h 58^m 29.98^s, -24° 21′ 35.1″
position:	(149.62491, -24.35974 ± 3.6″)
UVOT	09^h 58^m 29.76^s, -24° 21′ 31.0″
position:	(149.6240, -24.3586 ± 0.6″)
Galactic N_HI:	4.12×10²⁰ cm^-2
Galactic E(B-V):	0.056 mag

Best RA:	09^h 58^m 29.76^s	= 149.6240 d
Best Dec:	-24° 21′ 31.0″	= -24.3586 d

Gal Lat:	23.74
Gal Long:	259.96

Sun angle:	93.22°, 7.0 hr West

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

SPER results page for this trigger.

There are 12 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 09 58 29.97 ( 149.62489)
- Dec (J2000): -24 21 35.0 ( -24.35971)
- Error (90%): 3.600"
- Counts in Source: 185

See the SPER page for details of how this position was produced.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Source	Misc
0.3′′	149.62408	-24.35864	GCN #31182	GRB 211207A: Swift detection of a burst with an optical counterpart
0.5′′	149.62412	-24.35869	GCN #31204	GRB 211207A: Swift/UVOT Detection
3.9′′	149.62379	-24.35967	GCN #31184	GRB 211207A: Enhanced Swift-XRT position
75.6′′	149.60100	-24.36000	GCN #31189	GRB 211207A: Swift-BAT refined analysis

Catalogue Searches. Searched 200′ 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
105.6	149.6440	-24.3361	HD 86540	B=8.49, G=7.9290, H=6.957, J=7.184, K=6.933, V=8.06
125.4	149.6438	-24.3294	1RXS J095834.5-241946

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table²
115.7	149.6415	-24.3314	0 +/- 0	ROSAT
115.7	149.6415	-24.3314	0.0419 +/- 0.012	ROSAT
125.4	149.6438	-24.3294	0.03621 +/- 0.01218	ROSAT

Queried the X-ray MASTER catalogue.

There are 3 X-ray sources within the position error. The full list is here.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*		Catalogue
23.8	149.6292	-24.3631		NED
25.6	149.6210	-24.3659	B1=19.4, B2=18.4, I=18.1, R1=18.5	USNO-B1
31.1	149.6221	-24.3669		NED
32.3	149.6333	-24.3558		NED
36.5	149.6154	-24.3522		NED
36.7	149.6246	-24.3483		NED
37.4	149.6262	-24.3686		NED
38.8	149.6337	-24.3644		NED
44.1	149.6104	-24.3578		NED
44.6	149.6125	-24.3522		NED

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

There are 148 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
18.2	149.6291	-24.3631	B1=19.7, B2=20.0, I=18.6, R1=18.9, R2=19.3	USNO-B1
26.8	149.6168	-24.3608	B2=20.9, R2=20.3	USNO-B1
27.7	149.6221	-24.3670	B1=16.6, B2=16.6, I=15.4, R1=15.3, R2=15.1	USNO-B1
27.9	149.6222	-24.3671	h=14.8, j=15.0, k=14.6	2MASS
31.6	149.6298	-24.3673	B1=19.2, B2=19.4, I=18.4, R1=19.1, R2=18.8	USNO-B1
34.0	149.6339	-24.3644	B1=15.9, B2=16.0, I=14.6, R1=14.5, R2=14.6	USNO-B1
34.1	149.6339	-24.3644	h=14.0, j=14.4, k=14.0	2MASS
40.9	149.6247	-24.3484	B1=19.5, B2=19.6, I=18.0, R2=18.4	USNO-B1
43.4	149.6380	-24.3618	h=13.2, j=13.6, k=13.1	2MASS
43.5	149.6380	-24.3618	B1=15.7, B2=15.8, I=13.8, R1=14.0, R2=14.3	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 141 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.