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Swift Trigger: 668689

Presumed name: GRB 151229A

Back to trigger list.

BAT 21h 57m 31.20s, -20° 43′ 44.4″
position:(329.380, -20.729 ± 180″)
XRT 21h 57m 28.85s, -20° 43′ 57.0″
position:(329.3702, -20.7325 ± 2.0″)
UVOT No position available.
Galactic NHI:2.47×100 cm-2
Galactic E(B-V):0.029 mag
Best RA:21h 57m 28.85s= 329.3702 d
Best Dec:-20° 43′ 57.0″= -20.7325 d
Gal Lat:-49.93
Gal Long:32.43
Sun angle:47.81°, -3.4 hr East of Sun

1Sper #5 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 u image

u image

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 5 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
0.3′′329.37029-20.73247GCN #18745GRB 151229A: Swift detection of a short burstVizier logo
2.1′′329.36983-20.73203GCN #18750GRB 151229A: Enhanced Swift-XRT positionVizier logo
24.3′′329.36300-20.73200GCN #18751GRB 151229A: Swift-BAT refined analysisVizier 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
82.2329.3904-20.7453WISH B2154.8-2056AQuery vizier around this object
165.5329.4038-20.6989WISH B2154.8-2056BQuery 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
13.1329.3689-20.7359B=21.3, R2=19.8SSSQuery vizier around this object
45.0329.3701-20.7200B2=20.6, R2=20.1USNO-B1Query vizier around this object
46.3329.3686-20.7197B=18.4, R2=17.1, i=16.5SSSQuery vizier around this object
46.5329.3683-20.7197Mag=18.80NEDQuery vizier around this object
51.9329.3564-20.7261B=21.7, R2=20.0SSSQuery vizier around this object
57.9329.3849-20.7409B=20.2, R2=18.6, i=18.2SSSQuery vizier around this object
58.1329.3850-20.7408Mag=18.9NEDQuery vizier around this object
60.8329.3529-20.7275Mag=18.9NEDQuery vizier around this object
62.9329.3888-20.7325Mag=18.9NEDQuery vizier around this object
67.1329.3500-20.7331Mag=18.7NEDQuery vizier around this object


There are 103 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
17.0329.3681-20.7368B2=20.3, R1=19.6USNO-B1Query vizier around this object
21.2329.3649-20.7294B2=21.1, I=18.3, R1=19.5, R2=20.0USNO-B1Query vizier around this object
23.3329.3640-20.7296I=18.6, R1=19.5, R2=19.8USNO-B1Query vizier around this object
35.6329.3596-20.7319B2=20.7, I=18.5, R1=18.9, R2=19.9USNO-B1Query vizier around this object
35.9329.3596-20.7318h=16.3, j=16.9, k=17.22MASSQuery vizier around this object
41.4329.3718-20.7439B1=20.3, B2=20.4, R1=19.1, R2=19.3USNO-B1Query vizier around this object
43.5329.3690-20.7205B2=20.3, I=17.8, R2=19.7USNO-B1Query vizier around this object
44.5329.3692-20.7202B1=19.6, B2=21.0, I=17.9, R2=19.0USNO-B1Query vizier around this object
46.8329.3685-20.7196B1=17.9, B2=18.2, I=16.9, R1=16.2, R2=16.5USNO-B1Query vizier around this object
48.5329.3681-20.7192h=16.2, j=16.6, k=15.62MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 106 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.