Swift Trigger: 770957

Presumed name: GRB 170906A

BAT	13^h 35^m 58.08^s, -47° 07′ 30.0″
position:	(203.992, -47.125 ± 180″)
XRT	13^h 35^m 49.10^s, -47° 06′ 02.5″
position:	(203.9546, -47.1007 ± 5.2″)
UVOT	13^h 35^m 49.18^s, -47° 06′ 01.8″
position:	(203.9549, -47.1005 ± 0.6″)
Galactic N_HI:	9.39×10⁰ cm^-2
Galactic E(B-V):	0.124 mag

Best RA:	13^h 35^m 49.18^s	= 203.9549 d
Best Dec:	-47° 06′ 01.8″	= -47.1005 d

Gal Lat:	15.1
Gal Long:	310.73

Sun angle:	63.91°, -2.6 hr East of Sun

¹Sper #0 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.

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Source	Misc
0.2′′	203.95496	-47.10053	GCN #21821	GRB 170906A: Swift detection of a burst with an optical afterglow
0.4′′	203.95500	-47.10058	GCN #21847	GRB 170906A: Swift/UVOT Detection
1.6′′	203.95542	-47.10075	GCN #21830	GRB 170906A: MASTER-OAFA (Argentina) early automatic OT detection
1.6′′	203.95523	-47.10089	GCN #21824	GRB 170906A: Enhanced Swift-XRT position
46.0′′	203.94875	-47.08842	GCN #21838	GRB 170906A: Swift-BAT refined analysis
79.1′′	203.94000	-47.12000	GCN #21827	GRB 170906A: Fermi-LAT detection

There are 11 matches in total. See the full table for details.

Catalogue Searches. Searched 3.33′ around UVOT 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
53.2	203.9700	-47.1111	LEDA 92415

* 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
15.7	203.9607	-47.0987	B=22.5	SSS
23.7	203.9634	-47.1037	B=21.8, R2=20.0	SSS
30.5	203.9606	-47.1080	B2=20.2, I=18.0, R1=18.9, R2=19.0	USNO-B1
37.7	203.9689	-47.1048	B2=20.7, R2=20.1	USNO-B1
38.4	203.9706	-47.1004	B2=19.5, I=18.0, R2=17.5	USNO-B1
38.9	203.9636	-47.0914	B=21.4	SSS
39.6	203.9665	-47.1081	B=19.2, R2=17.7, i=17.3	SSS
40.4	203.9615	-47.0902	B=19.7, R2=18.5, i=18.2	SSS
41.2	203.9484	-47.1110	B2=20.1, I=17.8, R1=18.4, R2=18.5	USNO-B1
46.8	203.9361	-47.1030	B2=17.9, I=16.6, R1=17.1, R2=16.9	USNO-B1

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

There are 216 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
15.7	203.9607	-47.1023	h=13.3, j=13.7, k=13.2	2MASS
16.0	203.9609	-47.1023	B2=16.0, I=14.5, R1=15.0, R2=14.9	USNO-B1
19.6	203.9477	-47.1029	B2=18.7, I=17.6, R1=17.5, R2=17.7	USNO-B1
23.2	203.9634	-47.1034	I=18.4, R1=19.7, R2=19.1	USNO-B1
25.0	203.9580	-47.1071	B2=20.7, R1=19.7, R2=20.1	USNO-B1
27.3	203.9629	-47.1058	B2=21.0, R2=20.0	USNO-B1
29.4	203.9472	-47.1068	B2=19.3, I=17.6, R1=18.4, R2=18.2	USNO-B1
29.8	203.9429	-47.0993	B2=17.0, I=15.7, R1=16.1, R2=16.1	USNO-B1
29.9	203.9428	-47.0993	h=14.7, j=15.2, k=14.6	2MASS
34.6	203.9596	-47.0914	B2=18.5, I=17.6, R1=17.7, R2=17.8	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 415 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.