Swift Trigger: 635887

Presumed name: GRB 150323A

BAT	08^h 32^m 45.84^s, +45° 26′ 02.4″
position:	(128.191, 45.434 ± 180″)
XRT	08^h 32^m 43.01^s, +45° 27′ 48.9″
position:	(128.17922, 45.46358 ± 3.8″)
UVOT	No position available.
Galactic N_HI:	2.80×10⁰ cm^-2
Galactic E(B-V):	0.028 mag

Best RA:	08^h 32^m 43.01^s	= 128.17922 d
Best Dec:	+45° 27′ 48.9″	= 45.46358 d

Gal Lat:	36.3
Gal Long:	174.8

Sun angle:	114.00°, -8.4 hr East of Sun

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

u image

white image

Blink images with DSS (link via GSFC)

XRT SPER data

SPER results page for this trigger.

There are 4 SPER messages, and 1 objects have been found

- Object 1
- RA (J2000) : 08 32 42.96 ( 128.17901)
- Dec (J2000): +45 27 49.6 ( 45.46378)
- Error (90%): 3.643"
- Counts in Source: 100

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
0.7′′	128.17950	45.46356	GCN #17611	GRB 150323A: Swift detection of a burst
4.9′′	128.17800	45.46464	GCN #17615	GRB 150323A: Enhanced Swift-XRT position
5.0′′	128.17846	45.46486	GCN #17612	GRB 150323A: P60 Optical Afterglow Candidate
5.8′′	128.17788	45.46489	GCN #17642	Subject: GRB 150323A; Konkoly optical observations
79.3′′	128.17300	45.44200	GCN #17628	GRB 150323A� 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
121.7	128.1371	45.4800	US 1202	B=19.8
158.2	128.2282	45.4362	[VV2010c] J083254.8+452610	B=19.16, V=18.72, g=18.407, i=17.322, r=17.804, u=18.884, z=17.227

* 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
21.2	128.1771	45.4694	Mag=22.0	NED
21.4	128.1713	45.4615	R=21.6, g=22.9, i=19.1, u=26.7, z=21.7	SDSS
21.4	128.1774	45.4694	I=17.8, R1=20.4	USNO-B1
23.5	128.1708	45.4664	R=21.6, g=22.6, i=22.7, u=25.3, z=23.1	SDSS
24.7	128.1775	45.4569	Mag=22.1	NED
24.7	128.1774	45.4568	R=20.7, g=22.4, i=19.7, u=23.7, z=19.3	SDSS
28.3	128.1761	45.4560	R=22.7, g=24.6, i=21.3, u=26.0, z=20.8	SDSS
28.9	128.1833	45.4561	Mag=23.6	NED
31.8	128.1895	45.4687	B=21.9, R=19.8	APM-N
32.7	128.1900	45.4686	B2=20.7, R1=20.4	USNO-B1

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

There are 414 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
8.5	128.1758	45.4637	I=21.7, R=23.1, g=24.3, u=25.0, z=21.1	SDSS
21.2	128.1775	45.4693	h=15.9, j=16.6, k=15.9	2MASS
21.2	128.1773	45.4693	I=18.9, R=20.4, g=22.0, u=24.4, z=18.0	SDSS
25.1	128.1767	45.4568	R1=20.5, R2=20.4	USNO-B1
28.9	128.1834	45.4561	I=21.9, R=22.3, g=23.5, u=23.2, z=21.8	SDSS
35.1	128.1757	45.4541	I=21.6, R=21.9, g=22.9, u=24.2, z=21.5	SDSS
36.7	128.1810	45.4535	I=21.3, R=21.9, g=23.1, u=24.2, z=21.1	SDSS
40.6	128.1652	45.4691	I=13.7, R=14.0, g=14.5, u=14.9, z=13.2	SDSS
40.7	128.1652	45.4691	h=11.9, j=12.2, k=11.9	2MASS
40.8	128.1651	45.4691	B1=13.9, B2=13.9, I=13.0, R1=12.6	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 201 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.