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Home > GRB region information > 661775

Swift Trigger: 661775

Presumed name: GRB 151027A

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

BAT	18h 09m 57.84s, +61° 22′ 51.6″
position:	(272.491, +61.381 ± 180″)
XRT	18h 09m 57.26s, +61° 21′ 05.4″
position:	(272.4886, 61.3515 ± 4.8″)
UVOT	No position available.
Galactic NHI:	3.30×100 cm-2
Galactic E(B-V):	0.040 mag

Best RA:	18h 09m 57.26s	= 272.4886 d
Best Dec:	+61° 21′ 05.4″	= 61.3515 d
Gal Lat:	28.49
Gal Long:	90.48
Sun angle:	88.18°, -4.1 hr East of Sun

¹Sper #0 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.

No SPER data received yet. Refresh this page to check again.

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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′′	272.48860	61.35150		GCN #18478	GRB 151027A: Swift detection of a burst with a bright optical afterglow
7.5′′	272.48695	61.35344		GCN #18482	GRB 151027A: Enhanced Swift-XRT position
7.6′′	272.48537	61.35296		GCN #18510	GRB 151027A: LCOGT-McDonald afterglow observations
8.0′′	272.48517	61.35300		GCN #18559	GRB 151027A: Mondy optical observations
8.4′′	272.48629	61.35355		GCN #18539	GRB 151027A: optical follow-up observations
8.6′′	272.48625	61.35361		GCN #18479	GRB 151027A: KAIT optical afterglow confirmation
8.7′′	272.48621	61.35362		GCN #18508	GRB 151027A: VLA detection
8.7′′	272.48633	61.35367		GCN #18503	GRB 151027A: THO optical observations
8.8′′	272.48621	61.35367		GCN #18480	GRB 151027A : ISON-NM early optical detection
11.2′′	272.48333	61.35333		GCN #18533	GRB 151027A: Optical counterpart detection
37.9′′	272.49800	61.36100		GCN #18496	GRB 151027A: Swift-BAT refined analysis

There are 21 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
185.8	272.3821	61.3592	TYC 4201-895-1	B=12.53, H=10.314, J=10.581, K=10.243, V=11.90

* 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
19.5	272.4786	61.3490		B2=20.5, I=18.3, R2=18.9	USNO-B1
36.8	272.5066	61.3460		B1=18.9, B2=18.8, I=18.1, R1=19.3, R2=19.2	USNO-B1
37.7	272.5067	61.3456			NED
48.5	272.4758	61.3635		B2=21.9, I=18.2, R1=19.6, R2=19.6	USNO-B1
51.0	272.4599	61.3481		B1=20.6, B2=20.7, R2=19.8	USNO-B1
60.8	272.4882	61.3346		B2=21.5, I=18.3, R1=19.2, R2=19.4	USNO-B1
61.0	272.4888	61.3345		B=22.1, R=19.2	APM-N
61.5	272.4890	61.3344		B1=20.6, I=18.3	USNO-B1
61.9	272.4776	61.3679		B=21.5, R=18.9	APM-N
63.5	272.4753	61.3679		B1=20.6, B2=20.9, I=18.1, R2=19.3	USNO-B1

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

There are 83 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	272.4854	61.3530	B2=22.1, I=18.4, R2=19.8	USNO-B1
20.5	272.4785	61.3485	h=16.3, j=17.2, k=15.7	2MASS
26.6	272.4739	61.3492	B1=20.0, B2=19.8, I=17.2, R1=17.7, R2=17.2	USNO-B1
26.7	272.4739	61.3491	h=15.5, j=16.3, k=15.0	2MASS
41.4	272.4687	61.3450	B1=20.3, B2=22.3, R2=19.8	USNO-B1
44.5	272.4832	61.3394	B1=20.9, B2=22.3, R2=19.7	USNO-B1
47.6	272.4764	61.3634	B1=20.8, B2=20.9	USNO-B1
62.3	272.4780	61.3680	B1=19.8, B2=19.9, I=18.3, R1=19.1, R2=19.0	USNO-B1
62.5	272.4738	61.3674	B2=21.0, R1=19.6, R2=19.7	USNO-B1
64.5	272.4691	61.3362	B2=20.6, I=18.1, R1=19.4, R2=19.2	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 152 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.