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Swift Trigger: 517489

Presumed name: GRB 120311B

Back to trigger list.

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.

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

UVOT white image

white image

Blink images with DSS (link via GSFC)


SPER results page for this trigger.

Image of the SPER data

There are 17 SPER messages, and 1 objects have been found

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

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′258.56101-13.05235GCN #13040GRB 120311B: Swift-XRT observationsVizier logo
5.0′′258.56208-13.05144GCN #13042GRB 120311B: Enhanced Swift-XRT positionVizier logo
66.4′′258.55100-13.06800GCN #13041GRB 120311B: Swift-BAT refined analysisVizier logo
83.0′′258.58333-13.06000ATEL #8050 MAXI/GSC detection of a short X-ray transient MAXI J1714-130 / XRF 150912 and Swift non-detection in XRT follow-up observations Vizier logo
212.2′′258.50100-13.06000GCN #13038GRB 120311B: Swift detection of a burstVizier logo

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).


RA*Dec*SIMBAD name Query

* RA/Dec in equinox J2000

X-ray sources

RA*Dec* Source table2Observatory Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

1Energy band for count-rate is mission specific.


RA*Dec*Redshift CatalogueQuery
11.2258.5642-13.0527B=21.5SSSQuery vizier around this object
13.8258.5571-13.0521B=21.4, R2=19.7, i=19.0SSSQuery vizier around this object
14.1258.5570-13.0521B2=21.6, I=18.3, R2=19.6USNO-B1Query vizier around this object
18.2258.5659-13.0540B2=21.3, I=18.0, R1=19.7USNO-B1Query vizier around this object
23.5258.5649-13.0576B=22.1SSSQuery vizier around this object
28.7258.5543-13.0569B=22.3, R2=20.7SSSQuery vizier around this object
28.9258.5544-13.0571B2=21.6, R2=20.4USNO-B1Query vizier around this object
29.2258.5604-13.0604B2=20.8, R2=19.6USNO-B1Query vizier around this object
31.5258.5601-13.0611B=20.3, R2=19.4, i=19.4SSSQuery vizier around this object
33.3258.5705-13.0530B=21.7, R2=21.1SSSQuery vizier around this object


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


RA*Dec* CatalogueQuery
6.8258.5624-13.0537h=14.8, j=15.2, k=14.42MASSQuery vizier around this object
6.8258.5624-13.0536B1=19.4, B2=18.8, I=16.8, R1=17.4, R2=17.3USNO-B1Query vizier around this object
12.2258.5641-13.0507h=15.0, j=15.5, k=15.32MASSQuery vizier around this object
12.5258.5642-13.0507B1=19.7, B2=18.8, I=17.0, R1=17.6, R2=17.3USNO-B1Query vizier around this object
12.5258.5612-13.0558B1=20.6, B2=21.4, I=18.6, R1=19.7, R2=20.2USNO-B1Query vizier around this object
14.4258.5569-13.0520h=16.1, j=16.5, k=15.52MASSQuery vizier around this object
21.9258.5621-13.0583B1=20.6, B2=20.5, I=18.0, R1=18.9, R2=18.7USNO-B1Query vizier around this object
22.2258.5620-13.0584h=16.2, j=16.6, k=15.82MASSQuery vizier around this object
23.2258.5615-13.0588B2=20.8, I=18.2, R2=20.0USNO-B1Query vizier around this object
23.9258.5577-13.0466B1=19.6, B2=18.6, I=16.9, R1=17.1, R2=17.3USNO-B1Query vizier around this object

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.