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Swift Trigger: 727288

Presumed name: GRB 161218A

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BAT 16h 21m 01.68s, -04° 06′ 50.4″
position:(245.257, -4.114 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:1.02×100 cm-2
Galactic E(B-V):0.219 mag
Best RA:16h 21m 01.68s= 245.257 d
Best Dec:-04° 06′ 50.4″= -4.114 d
Gal Lat:30.59
Gal Long:9.57
Sun angle:27.87°, 1.4 hr West

GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

Sun angle for this burst.

UVOT data

No UVOT images are currently available.

XRT SPER data

No SPER data received yet. Refresh this page to check again.

Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′245.25700-4.11400GCN #20283GRB 161218A: Swift detection of a burstVizier logo
24.0′′245.25042-4.11286GCN #20293GRB 161218A: Swift-BAT refined analysisVizier logo

Catalogue Searches. Searched 3.33′ around BAT 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).

SIMBAD

RA*Dec*SIMBAD name Query
93.5245.2391-4.13292MASS J16205738-0407583B=15.42, H=14.67, J=14.65, K=14.75, V=15.21Query vizier around this object
176.3245.2102-4.1288UCAC2 30386789B=12.905, H=10.49, I=11.37, J=10.747, K=10.363, R=12.12, V=12.164, g=12.634, i=11.880, r=12.061, u=14.820, z=13.126Query 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.

Galaxies

RA*Dec*Redshift CatalogueQuery
36.2245.2469-4.1136B=20.9, R2=19.0, i=18.1SSSQuery vizier around this object
38.3245.2621-4.1047B=21.9, R2=19.9, i=17.9SSSQuery vizier around this object
38.4245.2621-4.1046I=17.9, R2=19.4USNO-B1Query vizier around this object
58.2245.2523-4.0985B=18.9, R2=17.9, i=17.1SSSQuery vizier around this object
60.5245.2514-4.1299B=22.1SSSQuery vizier around this object
66.6245.2421-4.1250B=21.2, R2=20.8SSSQuery vizier around this object
69.0245.2670-4.1304I=18.4, R2=19.3USNO-B1Query vizier around this object
69.1245.2435-4.1003B=21.2, R2=20.6SSSQuery vizier around this object
77.8245.2536-4.0927B=22.1SSSQuery vizier around this object
86.0245.2694-4.0935B=21.6, R2=19.9, i=18.9SSSQuery vizier around this object

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

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

Stars

RA*Dec* CatalogueQuery
8.2245.2548-4.1147B1=20.0, B2=19.5, I=18.0, R1=18.9, R2=18.3USNO-B1Query vizier around this object
21.5245.2622-4.1169B2=20.4, I=18.0, R1=19.7, R2=19.2USNO-B1Query vizier around this object
24.7245.2576-4.1208B1=21.1, R1=19.8USNO-B1Query vizier around this object
28.6245.2495-4.1112B1=20.7, I=18.3USNO-B1Query vizier around this object
36.8245.2468-4.1136B1=21.0, B2=20.6, I=18.1, R1=18.1, R2=18.8USNO-B1Query vizier around this object
37.7245.2465-4.1133h=15.7, j=16.5, k=15.42MASSQuery vizier around this object
37.8245.2599-4.1241B1=20.8, R1=19.8USNO-B1Query vizier around this object
38.1245.2620-4.1046h=15.2, j=16.0, k=14.82MASSQuery vizier around this object
38.8245.2678-4.1148B1=20.7, B2=20.4, I=18.2, R1=18.9, R2=18.8USNO-B1Query vizier around this object
40.1245.2598-4.1032B1=20.4, B2=20.2, R1=19.2, R2=18.9USNO-B1Query vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 171 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.