Swift Trigger: 661869

Presumed name: GRB 151027B

BAT	05^h 04^m 57.12^s, -06° 25′ 37.2″
position:	(76.238, -6.427 ± 180″)
XRT	05^h 04^m 52.67^s, -06° 27′ 00.4″
position:	(76.21944, -6.45010 ± 3.9″)
UVOT	No position available.
Galactic N_HI:	5.81×10⁰ cm^-2
Galactic E(B-V):	0.173 mag

Best RA:	05^h 04^m 52.67^s	= 76.21944 d
Best Dec:	-06° 27′ 00.4″	= -6.45010 d

Gal Lat:	-26.6
Gal Long:	206.31

Sun angle:	131.76°, 9.0 hr West

¹Sper #1 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

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

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

- Object 1
- RA (J2000) : 05 04 52.67 ( 76.21944)
- Dec (J2000): -06 27 00.4 ( -6.45010)
- Error (90%): 3.882"
- Counts in Source: 44

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
0.1′′	76.21946	-6.45011	GCN #18499	GRB 151027B: Swift detection of its 1000-th burst
0.2′′	76.21941	-6.45016	GCN #18504	GRB 151027B: Enhanced Swift-XRT position
0.6′′	76.21954	-6.45022	GCN #18501	GRB 151027B: NOT optical afterglow candidate
0.6′′	76.21954	-6.45022	GCN #18512	GRB 151027B: RATIR Observations
137.8′′	76.18800	-6.42800	GCN #18514	GRB 151027B: 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

* 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
13.6	76.2219	-6.4530	B=22.2, R2=21.2	SSS
24.0	76.2215	-6.4565	B=22.1	SSS
43.7	76.2314	-6.4528	B=21.8	SSS
44.1	76.2217	-6.4621	B=22.2, R2=20.7	SSS
57.1	76.2048	-6.4564	B=18.4, R2=17.4, i=16.5	SSS
57.2	76.2043	-6.4552	B=18.1, R2=17.1, i=15.5	SSS
58.4	76.2220	-6.4661	B=22.4	SSS
60.5	76.2315	-6.4619	B=20.8, R2=20.4	SSS
62.1	76.2363	-6.4541	B=22.4	SSS
63.6	76.2343	-6.4598	B=21.9	SSS

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

There are 182 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
56.4	76.2060	-6.4419	h=15.0, j=15.6, k=14.7	2MASS
56.7	76.2059	-6.4419	B1=19.6, B2=18.9, I=16.9, R1=17.8, R2=17.7	USNO-B1
57.0	76.2049	-6.4566	h=15.5, j=15.9, k=15.3	2MASS
57.2	76.2047	-6.4562	B1=16.7, I=15.2, R1=15.6	USNO-B1
57.3	76.2043	-6.4552	B1=16.2, B2=15.9, I=14.9, R1=15.1, R2=15.1	USNO-B1
57.3	76.2042	-6.4550	h=14.6, j=14.9, k=14.5	2MASS
59.4	76.2044	-6.4431	h=14.2, j=14.9, k=14.1	2MASS
59.5	76.2044	-6.4431	B1=18.0, B2=18.0, I=15.8, R1=16.6, R2=16.4	USNO-B1
61.0	76.2293	-6.4363	B1=16.1, B2=16.1, I=14.8, R1=15.2, R2=15.4	USNO-B1
61.2	76.2294	-6.4363	h=14.0, j=14.4, k=13.8	2MASS

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.