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Swift Trigger: 517489

Presumed name: GRB 120311B

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

BAT	17h 14m 00.24s, -13° 03′ 36.0″
position:	(258.501, -13.060 ± 180″)
XRT	17h 14m 14.64s, -13° 03′ 08.5″
position:	(258.56101, -13.05235 ± 3.6″)
UVOT	No position available.
Galactic NHI:	1.64×1021 cm-2
Galactic E(B-V):	0.521 mag

Best RA:	17h 14m 14.64s	= 258.56101 d
Best Dec:	-13° 03′ 08.5″	= -13.05235 d
Gal Lat:	14.7
Gal Long:	9.56
Sun angle:	92.61°, 6.2 hr West

¹Sper #11 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 17 SPER messages, and 1 objects have been found

• • Object 1
  • RA (J2000) : 17 14 14.63 ( 258.56095)
  • Dec (J2000): -13 03 07.5 ( -13.05209)
  • Error (90%): 3.578"
  • Counts in Source: 190

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′′	258.56101	-13.05235		GCN #13040	GRB 120311B: Swift-XRT observations
5.0′′	258.56208	-13.05144		GCN #13042	GRB 120311B: Enhanced Swift-XRT position
66.4′′	258.55100	-13.06800		GCN #13041	GRB 120311B: Swift-BAT refined analysis
83.0′′	258.58333	-13.06000		ATEL #8050	MAXI/GSC detection of a short X-ray transient MAXI J1714-130 / XRF 150912 and Swift non-detection in XRT follow-up observations
212.2′′	258.50100	-13.06000		GCN #13038	GRB 120311B: Swift detection of a burst

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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
11.2	258.5642	-13.0527		B=21.5	SSS
13.8	258.5571	-13.0521		B=21.4, R2=19.7, i=19.0	SSS
14.1	258.5570	-13.0521		B2=21.6, I=18.3, R2=19.6	USNO-B1
18.2	258.5659	-13.0540		B2=21.3, I=18.0, R1=19.7	USNO-B1
23.5	258.5649	-13.0576		B=22.1	SSS
28.7	258.5543	-13.0569		B=22.3, R2=20.7	SSS
28.9	258.5544	-13.0571		B2=21.6, R2=20.4	USNO-B1
29.2	258.5604	-13.0604		B2=20.8, R2=19.6	USNO-B1
31.5	258.5601	-13.0611		B=20.3, R2=19.4, i=19.4	SSS
33.3	258.5705	-13.0530		B=21.7, R2=21.1	SSS

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

There are 320 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
6.8	258.5624	-13.0537	h=14.8, j=15.2, k=14.4	2MASS
6.8	258.5624	-13.0536	B1=19.4, B2=18.8, I=16.8, R1=17.4, R2=17.3	USNO-B1
12.2	258.5641	-13.0507	h=15.0, j=15.5, k=15.3	2MASS
12.5	258.5642	-13.0507	B1=19.7, B2=18.8, I=17.0, R1=17.6, R2=17.3	USNO-B1
12.5	258.5612	-13.0558	B1=20.6, B2=21.4, I=18.6, R1=19.7, R2=20.2	USNO-B1
14.4	258.5569	-13.0520	h=16.1, j=16.5, k=15.5	2MASS
21.9	258.5621	-13.0583	B1=20.6, B2=20.5, I=18.0, R1=18.9, R2=18.7	USNO-B1
22.2	258.5620	-13.0584	h=16.2, j=16.6, k=15.8	2MASS
23.2	258.5615	-13.0588	B2=20.8, I=18.2, R2=20.0	USNO-B1
23.9	258.5577	-13.0466	B1=19.6, B2=18.6, I=16.9, R1=17.1, R2=17.3	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 502 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.