Swift Trigger: 796469

Presumed name: GRB 171211A

BAT	06^h 32^m 25.92^s, -58° 40′ 12.0″
position:	(98.108, -58.670 ± 180″)
XRT	06^h 32^m 31.98^s, -58° 41′ 31.4″
position:	(98.13327, -58.69205 ± 3.8″)
UVOT	No position available.
Galactic N_HI:	6.59×10⁰ cm^-2
Galactic E(B-V):	0.095 mag

Best RA:	06^h 32^m 31.98^s	= 98.13327 d
Best Dec:	-58° 41′ 31.4″	= -58.69205 d

Gal Lat:	-25.32
Gal Long:	267.98

Sun angle:	96.70°, 10.7 hr West

¹Sper #2 auto processing.

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 5 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 06 32 32.10 ( 98.13376)
- Dec (J2000): -58 41 30.9 ( -58.69191)
- Error (90%): 3.634"
- Counts in Source: 215

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
0.0′′	98.13327	-58.69205	GCN #22234	GRB 171211A: Swift detection of a possibly short burst
4.0′′	98.13542	-58.69208	GCN #22236	GRB 171211A: Enhanced Swift-XRT position
40.3′′	98.15375	-58.68861	GCN #22241	GRB 171211A: Swift-BAT refined analysis

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
21.9	98.1324	-58.6981	TYC 8547-185-1	B=11.19, G=9.468, H=7.129, J=7.768, K=6.970, V=9.86
125.5	98.1210	-58.7263	UCAC2 5999770	B=12.601, H=10.892, I=11.54, J=11.124, K=10.863, R=12.15, V=12.139, g=12.336, i=11.944, r=12.041

* 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
4.1	98.1316	-58.6913	B2=20.7, R2=18.7	USNO-B1
22.0	98.1325	-58.6981		NED
34.1	98.1480	-58.6976	B2=19.9, I=18.7, R2=18.3	USNO-B1
35.6	98.1189	-58.6985	B2=19.3, I=18.4, R2=18.6	USNO-B1
39.4	98.1510	-58.6979	I=18.6, R1=19.9	USNO-B1
47.6	98.1313	-58.6789	R1=19.8, R2=20.4	USNO-B1
55.3	98.1037	-58.6908		NED
56.9	98.1049	-58.6977	R1=20.0, R2=19.6	USNO-B1
62.5	98.1608	-58.6822		NED
66.9	98.1412	-58.7103		NED

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

There are 53 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
2.9	98.1317	-58.6921	B2=20.1, R1=18.3, R2=18.8	USNO-B1
3.0	98.1320	-58.6926	B2=19.9, R1=18.6	USNO-B1
9.7	98.1318	-58.6895	R1=19.2, R2=19.0	USNO-B1
11.7	98.1317	-58.6889	B2=22.0, R2=18.7	USNO-B1
13.7	98.1317	-58.6883	R1=19.8, R2=19.8	USNO-B1
21.1	98.1292	-58.6866	I=18.6, R1=19.8	USNO-B1
21.9	98.1324	-58.6981	h=7.1, j=7.8, k=7.0	2MASS
24.8	98.1214	-58.6890	B2=18.9, I=17.8, R1=17.6, R2=17.8	USNO-B1
30.6	98.1453	-58.6978	B2=18.4, I=18.6, R2=18.6	USNO-B1
31.1	98.1220	-58.6984	B2=19.2, I=17.1, R1=17.1	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 148 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.