Skip banner and navigation tools.

 |  site map

Sky images|
UVOT images|
SPER data|

[Hide] [Trigger list]

Swift Trigger: 668641

Presumed name: GRB 151228B

Back to trigger list.

BAT 22h 57m 45.84s, +08° 04′ 33.6″
position:(344.441, 8.076 ± 180″)
XRT 22h 57m 41.90s, +08° 04′ 52.0″
position:(344.4246, 8.0811 ± 2.4″)
UVOT 22h 57m 41.83s, +08° 04′ 53.8″
position:(344.4243, +8.0816 ± 0.8″)
Galactic NHI:4.65×100 cm-2
Galactic E(B-V):0.065 mag
Best RA:22h 57m 41.83s= 344.4243 d
Best Dec:+08° 04′ 53.8″= +8.0816 d
Gal Lat:-45.3
Gal Long:80.85
Sun angle:72.72°, -4.5 hr East of Sun

1Sper #6 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

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 7 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
0.4′′344.424378.08167GCN #18739GRB 151228B: Swift detection of a burst with an optical detectionVizier logo
0.6′′344.424468.08158GCN #18766GRB 151228B: Swift/UVOT DetectionVizier logo
1.1′′344.424588.08147GCN #18743GRB 151228B: Enhanced Swift-XRT positionVizier logo
23.3′′344.430838.08122GCN #18752GRB 151228B: 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
140.7344.39018.0620SDSS J225733.63+080343.3H=14.152, J=14.622, K=14.051, g=16.314, i=15.550, r=15.750, u=17.815, z=15.478Query vizier around this object
161.5344.37938.0835SDSS J225731.04+080500.5H=12.513, J=13.029, K=12.382, g=19.979, i=17.049, r=18.188, u=22.811, z=16.444Query 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
19.2344.42048.0856NEDQuery vizier around this object
33.2344.42048.0731NEDQuery vizier around this object
49.5344.42968.0689NEDQuery vizier around this object
70.4344.43808.0955B=21.5, R=19.9APM-NQuery vizier around this object
74.7344.42838.0607B1=19.9, B2=20.1, R1=19.6, R2=19.4USNO-B1Query vizier around this object
75.2344.42678.1025NEDQuery vizier around this object
75.5344.42888.0611NEDQuery vizier around this object
77.6344.44498.0889h=0.0, j=15.4, k=14.12MASSQuery vizier around this object
78.0344.44518.0888B=20.3, R=17.0APM-NQuery vizier around this object
78.3344.44508.0892B1=19.5, B2=18.9USNO-B1Query vizier around this object


There are 57 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
16.0344.42858.0833B1=20.1, I=17.7, R1=19.3USNO-B1Query vizier around this object
19.7344.42958.0837I=18.9, R1=19.8, R2=19.2USNO-B1Query vizier around this object
20.7344.42058.0852B1=20.4, B2=20.5USNO-B1Query vizier around this object
28.9344.42198.0735B1=20.4, B2=20.9, R2=19.0USNO-B1Query vizier around this object
32.8344.41988.0733B1=20.4, B2=20.8USNO-B1Query vizier around this object
36.6344.42678.0711B2=20.9, R2=20.2USNO-B1Query vizier around this object
65.1344.42228.0632B1=18.9, B2=18.5, I=17.6, R1=18.1, R2=17.5USNO-B1Query vizier around this object
65.5344.42218.0631h=16.0, j=16.4, k=15.42MASSQuery vizier around this object
70.5344.42178.0617B2=20.9, R1=16.7, R2=20.1USNO-B1Query vizier around this object
76.0344.44448.0733B1=20.9, B2=20.9, I=17.7USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 86 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.