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Swift Trigger: 596901

Presumed name: GRB 140423A

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

BAT	13h 09m 09.60s, +49° 48′ 54.0″
position:	(197.290, +49.815 ± 180″)
XRT	13h 09m 09.42s, +49° 50′ 32.4″
position:	(197.28927, 49.84233 ± 3.6″)
UVOT	No position available.
Galactic NHI:	1.06×100 cm-2
Galactic E(B-V):	0.012 mag

Best RA:	13h 09m 09.42s	= 197.28927 d
Best Dec:	+49° 50′ 32.4″	= 49.84233 d
Gal Lat:	67.03
Gal Long:	115.6
Sun angle:	116.59°, -11.1 hr East of Sun

¹Sper #4 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 16 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 13 09 09.47 ( 197.28944)
  • Dec (J2000): +49 50 31.9 ( 49.84219)
  • Error (90%): 3.519"
  • Counts in Source: 718

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
0.0′′	197.28927	49.84233		GCN #16146	GRB 140423A: Swift-XRT observations
9.1′′	197.28558	49.84150		GCN #16157	GRB 140423A: Further Observations with Swift/UVOT
9.1′′	197.28558	49.84147		GCN #16151	GRB 140423A: KWFC z-band photometry
9.3′′	197.28546	49.84153		GCN #16155	GRB 140423A: Enhanced Swift-XRT position
9.4′′	197.28542	49.84150		GCN #16143	GRB 140423: optical afterglow candidate
9.5′′	197.28546	49.84133		GCN #16147	GRB 140423A: Swift/UVOT detection of a possible counterpart
14.3′′	197.28367	49.84069		GCN #16145	GRB 140423A: ROTSE-III Detection of Optical Counterpart
34.2′′	197.27583	49.83842		GCN #16161	GRB 140423A: Swift-BAT refined analysis
98.4′′	197.29000	49.81500		GCN #16142	GRB 140423A: Swift detection of a burst
101.0′′	197.28983	49.87038		GCN #16169	GRB 140423A: NOT Afterglow Observations
162.5′′	197.30458	49.88639		GCN #16185	GRB 140423A: RTT150 optical observations

There are 15 matches in total. See the full table for details.

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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
24.0	197.2791	49.8433		R=22.8, g=22.5, i=22.5, u=23.2, z=21.2	SDSS
37.3	197.3017	49.8486			NED
44.7	197.2729	49.8489		Mag=22.8	NED
44.7	197.2730	49.8490		R=21.6, g=22.5, i=21.0, u=23.1, z=20.7	SDSS
51.8	197.2833	49.8285		R=21.9, g=22.7, i=21.3, u=24.8, z=21.4	SDSS
51.8	197.2833	49.8286		Mag=22.8	NED
54.0	197.3096	49.8496		R=21.0, g=22.1, i=20.6, u=23.4, z=20.5	SDSS
54.1	197.3096	49.8497		Mag=22.6	NED
58.6	197.2735	49.8297		B2=21.7, R2=20.8	USNO-B1
58.8	197.2733	49.8297	2.255000	Mag=21.6	NED

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

There are 336 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
51.2	197.3084	49.8494	B2=21.7, R1=19.9	USNO-B1
58.8	197.2734	49.8296	I=21.1, R=21.4, g=21.6, u=22.2, z=21.0	SDSS
70.4	197.2806	49.8236	I=22.3, R=22.4, g=22.7, u=24.0, z=21.5	SDSS
70.5	197.3188	49.8469	I=24.6, R=25.1, g=25.3, u=26.2, z=20.7	SDSS
73.4	197.3073	49.8591	B1=21.0, B2=21.5	USNO-B1
73.5	197.3148	49.8302	B2=21.3, I=19.2, R1=19.9, R2=19.8	USNO-B1
73.9	197.3149	49.8301	I=19.5, R=20.0, g=21.1, u=22.8, z=19.3	SDSS
76.5	197.2571	49.8469	B1=21.0, R2=20.0	USNO-B1
76.9	197.2614	49.8538	R1=20.2, R2=20.1	USNO-B1
82.5	197.3180	49.8558	B2=21.6, R2=20.7	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 110 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.