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Swift Trigger: 517469

Presumed name: GRB 120311A

Back to trigger list.

BAT 18h 12m 20.88s, +14° 16′ 30.0″
position:(273.087, 14.275 ± 180″)
XRT 18h 12m 21.52s, +14° 17′ 49.5″
position:(273.08966, 14.29709 ± 3.7″)
UVOT 18h 12m 24.89s, +14° 13′ 29.3″
position:(273.1037, +14.2248 ± 1.1″)
Galactic NHI:1.03×1021 cm-2
Galactic E(B-V):0.139 mag
Best RA:18h 12m 24.89s= 273.1037 d
Best Dec:+14° 13′ 29.3″= +14.2248 d
Gal Lat:15.01
Gal Long:41.55
Sun angle:79.82°, 5.2 hr West

1Sper #12 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 15 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
189.9′′273.0870014.27500GCN #13032GRB 120311A: Swift detection of a burstVizier logo
239.5′′273.0909214.29017GCN #13051GRB 120311A: VLT/X-shooter observationsVizier logo
260.0′′273.0923614.29619GCN #13033GRB 120311A: Liverpool Telescope optical candidateVizier logo
261.1′′273.0919814.29643GCN #13035GRB 120311A: Enhanced Swift-XRT positionVizier logo
261.1′′273.0920014.29644GCN #13063GRB 120311A� the review of the sky area in plate archivesVizier logo
264.8′′273.0896714.29708GCN #13034GRB 120311A: Swift-XRT observationsVizier logo
277.8′′273.0754214.29694GCN #13039GRB 120311A� Swift-BAT refined analysisVizier logo

There are 11 matches in total. See the full table for details.

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
192.0273.110914.34632MASS J18122662+1420466B=14.8, H=12.830, J=13.119, K=12.724, R=14.300Query vizier around this object
193.4273.066314.3458LEDA 2808482Query vizier around this object

* 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
22.1273.093414.3021B2=20.6, R2=19.5USNO-B1Query vizier around this object
27.0273.082214.2952I=18.0, R1=18.0USNO-B1Query vizier around this object
28.1273.081914.2949B1=17.8, B2=17.9, I=17.0, R1=16.4, R2=16.6USNO-B1Query vizier around this object
29.6273.094314.2902B2=20.6, R2=19.0USNO-B1Query vizier around this object
33.6273.095114.2894B2=19.5, I=18.2, R2=18.0USNO-B1Query vizier around this object
38.4273.097714.3044B2=20.7, I=18.2, R1=18.5, R2=19.0USNO-B1Query vizier around this object
38.8273.087414.2865B2=20.1, I=17.8, R1=18.2, R2=18.6USNO-B1Query vizier around this object
40.1273.080014.2911B1=20.2, B2=21.2, I=18.3, R1=18.6, R2=18.8USNO-B1Query vizier around this object
43.4273.090414.2850B1=19.9, B2=20.9, I=18.3, R1=18.7, R2=19.2USNO-B1Query vizier around this object
44.8273.083114.2864B2=19.7, I=18.0, R1=18.8, R2=17.9USNO-B1Query vizier around this object


There are 166 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
16.8273.094214.2985B1=17.6, B2=17.8, I=16.6, R1=16.7, R2=16.6USNO-B1Query vizier around this object
17.0273.094314.2984h=15.4, j=15.9, k=15.52MASSQuery vizier around this object
17.1273.088914.3018h=15.3, j=15.6, k=15.32MASSQuery vizier around this object
17.5273.089014.3019B1=17.7, B2=17.7, I=16.3, R1=16.4, R2=16.2USNO-B1Query vizier around this object
20.5273.093714.3012R1=18.6, R2=19.0USNO-B1Query vizier around this object
25.3273.090914.2902B2=20.6, I=17.8, R1=18.3, R2=18.4USNO-B1Query vizier around this object
25.8273.089414.2899R1=18.9, R2=19.9USNO-B1Query vizier around this object
28.4273.097714.2959B1=19.0, B2=18.7, I=17.8, R1=17.7, R2=17.4USNO-B1Query vizier around this object
28.4273.081914.2948h=16.1, j=16.5, k=15.02MASSQuery vizier around this object
30.6273.094414.2899B1=19.3, B2=20.1, I=18.1, R1=18.3, R2=18.1USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 414 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.