Swift Trigger: 770958

Presumed name: GRB 170906B

BAT	15^h 28^m 53.04^s, -28° 15′ 03.6″
position:	(232.221, -28.251 ± 180″)
XRT	15^h 28^m 48.89^s, -28° 15′ 22.7″
position:	(232.2037, -28.2563 ± 2.2″)
UVOT	No position available.
Galactic N_HI:	9.05×10⁰ cm^-2
Galactic E(B-V):	0.286 mag

Best RA:	15^h 28^m 48.89^s	= 232.2037 d
Best Dec:	-28° 15′ 22.7″	= -28.2563 d

Gal Lat:	22.98
Gal Long:	340.27

Sun angle:	73.69°, -4.5 hr East of Sun

¹Sper #3 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 6 SPER messages, and 1 objects have been found

- Object 1 - enhanced position.
- RA (J2000) : 15 28 48.85 (-28.2562)
- Dec (J2000): -28 15 22.3 ( -28.25546)
- Error (90%): 2.0
- Counts in Source: 253

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	Date reported	Source	Misc	Query
0.0′′	232.20370	-28.25630		GCN #21822	GRB 170906B: Swift detection of a burst
2.2′′	232.20429	-28.25600		GCN #21823	GRB 170906B: Enhanced Swift-XRT position

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
50.7	232.2000	-28.2700	TGU H2087
78.3	232.2091	-28.2775	2MASS J15285018-2816391	B=14.284, H=10.545, J=10.956, K=10.420, R=12.75, V=13.243, g=13.759, i=12.382, r=12.837
180.7	232.1507	-28.2379	IRAS 15255-2803

There are 3 SIMBAD objects within the position error. The full list is here.

* 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
8.7	232.2043	-28.2587	B=21.6	SSS
9.1	232.2066	-28.2562	B=22.2	SSS
12.9	232.2001	-28.2579	B=21.8	SSS
16.7	232.2090	-28.2561	B=21.6	SSS
21.9	232.2027	-28.2623	B=20.3, R2=18.2, i=17.3	SSS
22.9	232.2019	-28.2501	I=18.7, R2=20.0	USNO-B1
39.4	232.1919	-28.2527	B=21.1, R2=19.6	SSS
42.2	232.2060	-28.2678	B=22.4	SSS
42.8	232.2166	-28.2598	B=22.1	SSS
43.8	232.2146	-28.2638	B=21.7, R2=20.4	SSS

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

There are 118 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
10.8	232.2018	-28.2588	h=15.9, j=16.6, k=15.0	2MASS
10.9	232.2017	-28.2587	B1=20.3, B2=20.8, I=17.9, R1=18.1, R2=18.9	USNO-B1
15.6	232.2000	-28.2592	B2=20.9, I=18.1, R2=18.9	USNO-B1
21.8	232.2027	-28.2623	B2=20.9, I=17.1, R1=18.2, R2=17.9	USNO-B1
22.0	232.2026	-28.2623	h=15.1, j=15.7, k=14.7	2MASS
26.1	232.1958	-28.2582	B1=20.3, B2=20.2, I=18.2, R1=19.1, R2=18.2	USNO-B1
36.2	232.2132	-28.2507	B1=20.3, B2=20.8, I=18.8, R2=19.4	USNO-B1
42.4	232.1914	-28.2517	B1=19.3, I=18.1, R2=19.8	USNO-B1
56.4	232.1903	-28.2667	B2=20.9, I=18.3, R1=18.5, R2=19.2	USNO-B1
56.8	232.1902	-28.2667	h=16.1, j=16.8, k=15.4	2MASS

Queried USNO-B1, SDSS, 2MASS.

There are 169 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.