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Swift Trigger: 638808

Presumed name: GRB 150423A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	14h 46m 24.00s, +12° 17′ 16.8″
position:	(221.600, +12.288 ± 180″)
XRT	14h 46m 18.98s, +12° 17′ 01.3″
position:	(221.5791, 12.2837 ± 2.1″)
UVOT	No position available.
Galactic NHI:	1.63×100 cm-2
Galactic E(B-V):	0.026 mag

Best RA:	14h 46m 18.98s	= 221.5791 d
Best Dec:	+12° 17′ 01.3″	= 12.2837 d
Gal Lat:	59.28
Gal Long:	9.72
Sun angle:	152.95°, 11.3 hr West

¹Sper #6 auto processing.

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

Blink images with DSS (link via GSFC)

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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) : 14 46 18.97 (12.2837)
  • Dec (J2000): +12 17 01.2 ( 12.28304)
  • Error (90%): 2.1
  • Counts in Source: 86

See the SPER page for details of how this position was produced.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
0.8′′	221.57900	12.28350		GCN #17735	GRB 150423A: Enhanced Swift-XRT position
1.8′′	221.57875	12.28333		GCN #17728	GRB 150423A: Swift detection of a short burst
3.1′′	221.57892	12.28456		GCN #17750	GRB 150423A: TSHAO optical observations
104.1′′	221.60083	12.26406		GCN #17740	GRB 150423A: Swift-BAT refined analysis

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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*	Redshift		Catalogue	Query
15.2	221.5833	12.2847		B=20.1, R=19.6	APM-N
15.7	221.5833	12.2850	1.845000	Mag=20.6	NED
19.4	221.5742	12.2813		R=21.6, g=21.9, i=21.3, u=22.3, z=20.4	SDSS
19.4	221.5742	12.2814		Mag=22.2	NED
24.8	221.5725	12.2867		Mag=23.1	NED
27.1	221.5754	12.2903		Mag=20.2	NED
29.3	221.5717	12.2800		Mag=23.6	NED
30.3	221.5721	12.2883		Mag=21.0	NED
30.3	221.5720	12.2885		R=20.7, g=21.1, i=20.4, u=21.9, z=20.2	SDSS
31.1	221.5854	12.2894		Mag=22.1	NED

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

There are 524 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	Query
15.3	221.5833	12.2849	B1=20.2, B2=20.5, R1=19.6, R2=19.3	USNO-B1
15.7	221.5834	12.2850	I=20.3, R=20.5, g=20.5, u=20.6, z=20.3	SDSS
24.8	221.5728	12.2867	I=21.8, R=22.2, g=23.2, u=24.6, z=22.2	SDSS
27.1	221.5754	12.2903	I=17.5, R=18.7, g=20.2, u=23.8, z=16.8	SDSS
27.2	221.5753	12.2903	h=14.8, j=15.5, k=14.5	2MASS
27.4	221.5753	12.2903	B1=20.9, B2=20.5, I=16.8, R1=18.7, R2=18.3	USNO-B1
29.3	221.5717	12.2800	I=23.0, R=22.4, g=23.5, u=24.3, z=21.8	SDSS
30.0	221.5720	12.2883	B1=21.2, B2=21.1, R1=20.0, R2=19.9	USNO-B1
31.1	221.5856	12.2896	I=19.3, R=20.7, g=22.1, u=24.9, z=18.6	SDSS
47.8	221.5881	12.2738	I=20.1, R=21.1, g=22.6, u=23.7, z=19.8	SDSS

Queried USNO-B1, SDSS, 2MASS.

There are 209 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.