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Swift Trigger: 797441

Presumed name: GRB 171216A

Back to trigger list.

BAT 14h 08m 18.72s, -50° 28′ 22.8″
position:(212.078, -50.473 ± 180″)
XRT 14h 07m 58.13s, -50° 29′ 05.3″
position:(211.9922, -50.4848 ± 2.0″)
UVOT No position available.
Galactic NHI:1.72×100 cm-2
Galactic E(B-V):0.273 mag
Best RA:14h 07m 58.13s= 211.9922 d
Best Dec:-50° 29′ 05.3″= -50.4848 d
Gal Lat:10.56
Gal Long:315.18
Sun angle:48.00°, 3.4 hr West

1Sper #8 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 9 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
1.1′′211.99238-50.48508GCN #22256GRB 171216A: Swift detection of a burstVizier logo
3.4′′211.99071-50.48475GCN #22257GRB 171216A: Enhanced Swift-XRT positionVizier logo
72.6′′212.01300-50.50000GCN #22259GRB 171216A: 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
180.7212.0242-50.5307TYC 8272-588-1B=11.40, H=10.013, J=10.182, K=9.972, V=11.04Query 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
5.9211.9942-50.4856NEDQuery vizier around this object
6.1211.9948-50.4852I=16.5, R1=16.6, R2=15.9USNO-B1Query vizier around this object
9.1211.9938-50.4825NEDQuery vizier around this object
10.5211.9967-50.4853B2=19.2, I=17.8, R1=18.3USNO-B1Query vizier around this object
15.2211.9875-50.4878NEDQuery vizier around this object
19.2211.9958-50.4800NEDQuery vizier around this object
21.8211.9858-50.4893B2=17.3, I=16.2, R1=16.3, R2=16.3USNO-B1Query vizier around this object
22.0211.9833-50.4869NEDQuery vizier around this object
22.5211.9858-50.4894NEDQuery vizier around this object
24.2212.0000-50.4803NEDQuery vizier around this object


There are 355 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
5.9211.9944-50.4857h=15.5, j=15.9, k=15.42MASSQuery vizier around this object
9.0211.9937-50.4825h=11.0, j=11.2, k=10.92MASSQuery vizier around this object
9.3211.9939-50.4824B2=12.7, I=11.7, R1=12.2, R2=12.2USNO-B1Query vizier around this object
12.0211.9963-50.4869B2=19.1, I=18.1, R1=18.4, R2=18.7USNO-B1Query vizier around this object
15.2211.9876-50.4879h=15.4, j=15.9, k=15.62MASSQuery vizier around this object
15.4211.9876-50.4879B2=17.6, I=16.8, R1=16.6, R2=16.6USNO-B1Query vizier around this object
16.4211.9880-50.4811B2=19.2, R1=18.8USNO-B1Query vizier around this object
17.3211.9984-50.4821B2=17.6, R1=18.0USNO-B1Query vizier around this object
18.7211.9957-50.4801B2=16.7, I=16.5, R1=16.6, R2=16.3USNO-B1Query vizier around this object
19.2211.9958-50.4800h=15.4, j=16.0, k=15.22MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 658 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.