Swift Trigger: 556753

Presumed name: GRB 130527A

BAT	20^h 37^m 06.96^s, -24° 43′ 40.8″
position:	(309.279, -24.728 ± 180″)
XRT	20^h 37^m 06.31^s, -24° 43′ 28.9″
position:	(309.2763, -24.7247 ± 2.1″)
UVOT	No position available.
Galactic N_HI:	3.73×10²⁰ cm^-2
Galactic E(B-V):	NED unavailable

Best RA:	20^h 37^m 06.31^s	= 309.2763 d
Best Dec:	-24° 43′ 28.9″	= -24.7247 d

Gal Lat:	-33.39
Gal Long:	19.92

Sun angle:	120.76°, 7.7 hr West

¹Sper #4 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

u image

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 8 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 20 37 06.28 (-24.7246)
- Dec (J2000): -24 43 28.6 ( -24.72444)
- Error (90%): 2.0
- Counts in Source: 1100

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
0.5′′	309.27620	-24.72460	GCN #14704	GRB 130527A: Prompt enhanced Swift-XRT position
1.6′′	309.27631	-24.72515	GCN #14705	GRB 130527A: Enhanced Swift-XRT position
4.7′′	309.27490	-24.72440	GCN #14703	GRB 130527A: Swift detection of a bright burst
18.6′′	309.28167	-24.72642	GCN #14708	GRB 130527A: 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
40.8	309.2884	-24.7274	B=22.1	SSS
46.1	309.2878	-24.7173	B=21.6	SSS
54.3	309.2753	-24.7398	B=21.5, R2=19.7, i=18.5	SSS
64.7	309.2592	-24.7338	B=21.5, R2=19.8, i=18.5	SSS
72.9	309.2574	-24.7140	B=19.7, R2=18.3, i=18.3	SSS
79.5	309.2804	-24.7465	B=22.0	SSS
85.6	309.2767	-24.7485	R1=18.8, R2=19.1	USNO-B1
87.0	309.2846	-24.7476	I=18.1, R1=19.2, R2=19.4	USNO-B1
87.3	309.3021	-24.7185	h=13.8, j=14.4, k=13.3	2MASS
87.4	309.3021	-24.7183		NED

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

There are 54 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
25.1	309.2724	-24.7307	B1=19.8, B2=18.8, I=18.3, R1=18.7, R2=18.3	USNO-B1
30.8	309.2706	-24.7315	B1=16.8, B2=16.4, I=16.2, R1=16.2, R2=16.2	USNO-B1
31.0	309.2705	-24.7315	h=16.1, j=16.2, k=15.5	2MASS
40.4	309.2712	-24.7145	h=15.1, j=15.6, k=15.0	2MASS
40.4	309.2713	-24.7144	B1=17.9, B2=17.5, I=16.3, R1=16.6, R2=16.7	USNO-B1
40.8	309.2886	-24.7231	h=14.7, j=15.0, k=14.6	2MASS
41.2	309.2887	-24.7230	B1=17.0, B2=16.3, I=15.4, R1=15.8, R2=15.7	USNO-B1
43.6	309.2750	-24.7126	h=14.1, j=14.7, k=14.0	2MASS
44.0	309.2751	-24.7125	B1=17.2, B2=16.7, I=15.4, R1=15.9, R2=15.9	USNO-B1
52.0	309.2688	-24.7120	h=16.0, j=16.6, k=16.7	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 176 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.