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Swift Trigger: 544347

Presumed name: GRB 121229A

Back to trigger list.

BAT 12h 40m 24.00s, -50° 35′ 38.4″
position:(190.100, -50.594 ± 180″)
XRT 12h 40m 24.22s, -50° 35′ 38.4″
position:(190.1009, -50.5940 ± 2.8″)
UVOT No position available.
Galactic NHI:1.35×1021 cm-2
Galactic E(B-V):NED unavailable
Best RA:12h 40m 24.22s= 190.1009 d
Best Dec:-50° 35′ 38.4″= -50.5940 d
Gal Lat:12.24
Gal Long:301.14
Sun angle:71.21°, 5.9 hr West

1Sper #2 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 3 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
1.0′′190.10129-50.59414GCN #14121GRB 121229A: Enhanced Swift-XRT positionVizier logo
2.1′′190.10000-50.59400GCN #14115GRB 121229A: Swift detection of a burstVizier logo
25.5′′190.09500-50.58800GCN #14123GRB 121229A� 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

* 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
9.0190.1033-50.5960B=18.9, R2=17.5, i=17.3SSSQuery vizier around this object
9.1190.1003-50.5965B=21.5SSSQuery vizier around this object
17.5190.0939-50.5959B=20.5, R2=19.2SSSQuery vizier around this object
32.2190.0882-50.5901B2=20.0, R1=19.7, R2=19.1USNO-B1Query vizier around this object
38.8190.1095-50.5847B2=18.3, I=17.4, R1=17.8, R2=16.9USNO-B1Query vizier around this object
38.9190.1096-50.5847B=19.1, R2=17.9, i=17.4SSSQuery vizier around this object
41.0190.1025-50.5826B=21.6SSSQuery vizier around this object
42.3190.1121-50.5846B2=17.1, I=16.3, R1=16.5, R2=16.4USNO-B1Query vizier around this object
43.4190.1195-50.5916B=21.4, R2=19.8SSSQuery vizier around this object
45.2190.0925-50.6054B=22.3SSSQuery vizier around this object


There are 116 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
8.8190.1034-50.5959B2=18.5, I=17.1, R1=17.3, R2=17.3USNO-B1Query vizier around this object
15.4190.1017-50.5897h=15.8, j=16.2, k=15.92MASSQuery vizier around this object
15.7190.1017-50.5897B2=19.1, I=17.5, R1=18.0, R2=17.8USNO-B1Query vizier around this object
17.3190.0939-50.5958B2=20.8, R2=19.3USNO-B1Query vizier around this object
17.7190.0969-50.5982B2=19.6, I=18.4, R1=18.4, R2=18.6USNO-B1Query vizier around this object
22.8190.1015-50.6003h=14.9, j=15.5, k=14.62MASSQuery vizier around this object
25.9190.1015-50.6012B2=15.4, I=13.8, R1=14.3, R2=14.3USNO-B1Query vizier around this object
26.7190.0931-50.5885h=12.5, j=13.2, k=12.32MASSQuery vizier around this object
26.8190.0931-50.5885B2=16.8, I=14.4, R1=15.2, R2=15.2USNO-B1Query vizier around this object
27.0190.1014-50.6015h=13.0, j=13.4, k=12.92MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 392 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.