Skip banner and navigation tools.

 |  site map

Sky images|
UVOT images|
SPER data|

[Hide] [Trigger list]

Swift Trigger: 874334

Presumed name: GRB 181202A

Back to trigger list.

BAT 18h 42m 58.80s, +27° 57′ 03.6″
position:(280.745, 27.951 ± 180″)
XRT 18h 42m 56.50s, +27° 57′ 33.5″
position:(280.7354, 27.9593 ± 2.1″)
UVOT 18h 42m 56.35s, +27° 57′ 34.9″
position:(280.7348, +27.9597 ± 0.6″)
Galactic NHI:1.08×100 cm-2
Galactic E(B-V):0.166 mag
Best RA:18h 42m 56.35s= 280.7348 d
Best Dec:+27° 57′ 34.9″= +27.9597 d
Gal Lat:14.06
Gal Long:57.44
Sun angle:58.99°, -2.2 hr East of Sun

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

No UVOT images are currently available.


SPER results page for this trigger.

Image of the SPER data

There are 11 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′′280.7349227.95972GCN #23498GRB 181202A: Swift/UVOT DetectionVizier logo
0.4′′280.7349227.95972GCN #23482GRB 181202A: Swift detection of a burst with an optical counterpartVizier logo
0.4′′280.7349127.95964GCN #23483GRB 181202A: Enhanced Swift-XRT positionVizier logo
58.9′′280.7370827.97594GCN #23489GRB 181202A: 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
123.4280.700127.9450TYC 2116-828-1B=12.29, G=11.8345, H=11.328, J=11.394, K=11.299, V=12.04Query vizier around this object
125.3280.696127.9575HD 336661B=9.78, G=8.1579, H=5.714, J=6.389, K=5.568, V=8.52Query 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
15.9280.739627.9594NEDQuery vizier around this object
19.6280.730427.9558NEDQuery vizier around this object
23.2280.727527.9606NEDQuery vizier around this object
24.5280.727127.9586NEDQuery vizier around this object
25.4280.732227.9528B1=16.3, B2=16.3, I=15.2, R1=15.3, R2=15.6USNO-B1Query vizier around this object
25.5280.727527.9605B1=19.4, B2=18.9, I=17.1USNO-B1Query vizier around this object
25.7280.731727.9531NEDQuery vizier around this object
26.0280.727327.9586I=18.0, R1=19.4, R2=19.5USNO-B1Query vizier around this object
29.8280.737527.9519NEDQuery vizier around this object
30.5280.727927.9536NEDQuery vizier around this object


There are 318 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
13.8280.739727.9596B2=21.5, I=18.0, R1=18.8, R2=19.2USNO-B1Query vizier around this object
14.0280.739827.9595h=16.1, j=16.7, k=15.82MASSQuery vizier around this object
17.2280.739927.9566B1=20.6, B2=20.3, I=19.0, R1=19.4, R2=19.8USNO-B1Query vizier around this object
19.9280.730627.9557B1=19.7, B2=19.6, I=17.9, R1=18.2, R2=18.0USNO-B1Query vizier around this object
20.1280.730527.9558h=16.1, j=17.0, k=15.82MASSQuery vizier around this object
25.3280.727627.9606h=15.7, j=16.5, k=15.92MASSQuery vizier around this object
25.6280.732227.9528h=14.0, j=14.4, k=13.92MASSQuery vizier around this object
26.2280.727227.9586h=16.1, j=16.8, k=15.82MASSQuery vizier around this object
27.4280.737727.9519B1=18.5, B2=18.4, I=16.7, R1=16.9, R2=17.3USNO-B1Query vizier around this object
27.8280.737727.9518h=15.9, j=16.1, k=15.62MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 390 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.