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Home > GRB region information > 574935

Swift Trigger: 574935

Presumed name: GRB 131018A

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

BAT	06h 33m 50.88s, -19° 52′ 55.2″
position:	(98.462, -19.882 ± 180″)
XRT	06h 33m 53.28s, -19° 53′ 45.6″
position:	(98.4720, -19.8960 ± 2.0″)
UVOT	No position available.
Galactic NHI:	2.03×1021 cm-2
Galactic E(B-V):	NED unavailable

Best RA:	06h 33m 53.28s	= 98.4720 d
Best Dec:	-19° 53′ 45.6″	= -19.8960 d
Gal Lat:	-12.66
Gal Long:	229
Sun angle:	100.34°, 7.0 hr West

¹Sper #10 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 10 SPER messages, and 2 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 06 33 53.20 (-19.8961)
  • Dec (J2000): -19 53 46.0 ( -19.89585)
  • Error (90%): 2.2
  • Counts in Source: 224
• • Object 2
  • RA (J2000) : 06 34 03.92 ( 98.51633)
  • Dec (J2000): -19 51 15.9 ( -19.85441)
  • Error (90%): 4.438"
  • Counts in Source: 12

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
1.3′′	98.47163	-19.89608		GCN #15349	GRB 131018A: Swift detection of a burst
2.4′′	98.47133	-19.89619		GCN #15352	GRB 131018A: Enhanced Swift-XRT position
3.4′′	98.47250	-19.89681		GCN #15354	GRB 131018A� 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
191.3	98.4493	-19.8473	TYC 5956-1205-1	B=13.09, V=11.45

* 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
25.2	98.4794	-19.8966		I=18.6, R2=19.8	USNO-B1
38.0	98.4827	-19.8928		B=18.6, R2=17.8, i=17.4	SSS
55.0	98.4848	-19.9054		B=21.0, R2=20.2	SSS
55.2	98.4849	-19.9054		B2=21.0, R2=19.9	USNO-B1
59.6	98.4653	-19.8807		B=19.0, R2=18.2, i=17.7	SSS
66.9	98.4873	-19.8842		B2=21.2, R2=19.8	USNO-B1
74.7	98.4543	-19.9084		B=20.4, R2=18.9, i=18.3	SSS
78.0	98.4949	-19.8938		R1=19.7, R2=20.1	USNO-B1
79.2	98.4829	-19.8765		B=19.3, R2=18.5, i=18.3	SSS
79.6	98.4486	-19.8935		B1=19.7, B2=18.9, I=18.2, R1=18.8, R2=18.8	USNO-B1

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

There are 46 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
7.7	98.4699	-19.8952	B1=20.0, B2=18.9, I=18.1, R1=18.6, R2=18.2	USNO-B1
7.7	98.4700	-19.8950	h=16.5, j=16.7, k=16.0	2MASS
15.1	98.4710	-19.8919	R1=19.9, R2=20.0	USNO-B1
21.3	98.4775	-19.8988	h=13.7, j=13.9, k=13.6	2MASS
21.4	98.4775	-19.8988	B1=16.2, B2=15.3, I=14.8, R1=15.1, R2=15.0	USNO-B1
22.9	98.4683	-19.9013	B1=20.4, B2=21.0, I=18.7, R1=19.1, R2=19.1	USNO-B1
24.8	98.4793	-19.8966	h=16.2, j=16.9, k=15.8	2MASS
26.8	98.4784	-19.8916	B1=18.1, B2=17.1, I=16.2, R1=16.6, R2=16.7	USNO-B1
27.0	98.4784	-19.8915	h=15.2, j=15.6, k=15.2	2MASS
36.3	98.4768	-19.8870	B1=14.7, B2=13.8, I=12.6, R1=13.1, R2=12.9	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 271 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.