Skip banner and navigation tools.

 |  site map

Summary|
Sky images|
UVOT images|
SPER data|
Catalogues|

[Hide] [Trigger list]

Swift Trigger: 709357

Presumed name: GRB 160821B

Back to trigger list.

BAT 18h 39m 56.88s, +62° 23′ 34.8″
position:(279.987, +62.393 ± 180″)
XRT 18h 39m 54.72s, +62° 23′ 31.2″
position:(279.9780, 62.3920 ± 2.5″)
UVOT No position available.
Galactic NHI:4.87×100 cm-2
Galactic E(B-V):0.051 mag
Best RA:18h 39m 54.72s= 279.9780 d
Best Dec:+62° 23′ 31.2″= 62.3920 d
Gal Lat:25.14
Gal Long:92.18
Sun angle:95.91°, -8.6 hr East of Sun

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)


XRT SPER data

SPER results page for this trigger.

Image of the SPER data

There are 2 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
0.0′′279.9780062.39200GCN #19833GRB 160821B: Swift detection of a short burstVizier logo
1.3′′279.9773362.39181GCN #19834GRB 160821B: NOT optical afterglow candidateVizier logo
1.4′′279.9773362.39175GCN #19854GRB 160821B: VLA 5.0 GHz observationsVizier logo
3.5′′279.9765362.39129GCN #19837GRB 160821B: Enhanced Swift-XRT positionVizier logo
48.5′′280.0050062.38700GCN #19844GRB 160821B: Swift-BAT refined analysisVizier logo

There are 11 matches in total. See the full table for details.


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).

SIMBAD

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.

Galaxies

RA*Dec*Redshift CatalogueQuery
6.4279.975062.3931B1=20.8, B2=19.5, R2=19.6USNO-B1Query vizier around this object
6.4279.974762.3929B1=20.3, B2=19.7, R2=19.1USNO-B1Query vizier around this object
30.1279.963662.3870B=18.2, R=16.4APM-NQuery vizier around this object
30.6279.963362.3869NEDQuery vizier around this object
30.6279.963262.3870h=0.0, j=15.5, k=14.32MASSQuery vizier around this object
36.6279.957262.3952B1=20.5, I=18.3, R2=20.4USNO-B1Query vizier around this object
36.8279.966162.4006B=20.3, R=20.0APM-NQuery vizier around this object
37.2279.965562.4006B=20.6, R=18.6APM-NQuery vizier around this object
37.2279.965862.4006B1=19.1, B2=18.7, I=17.9, R1=18.8, R2=18.7USNO-B1Query vizier around this object
37.9279.956762.3957B=21.9, R=19.5APM-NQuery vizier around this object

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

There are 151 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
5.6279.975562.3930B1=20.4, B2=19.9, R1=19.7USNO-B1Query vizier around this object
21.8279.979662.3860I=18.5, R1=17.9USNO-B1Query vizier around this object
30.5279.963362.3870B1=17.9, B2=17.7, I=16.3, R1=16.4, R2=16.4USNO-B1Query vizier around this object
30.7279.963362.3868h=15.2, j=15.8, k=15.02MASSQuery vizier around this object
31.7279.963862.3861B2=20.8, R1=19.0, R2=19.0USNO-B1Query vizier around this object
38.5279.956562.3959B2=21.0, I=18.2, R1=19.4, R2=19.6USNO-B1Query vizier around this object
45.5279.978162.3793h=13.4, j=13.7, k=13.42MASSQuery vizier around this object
45.7279.978162.3793B1=15.4, B2=15.7, I=13.8, R1=14.4, R2=14.9USNO-B1Query vizier around this object
49.2279.965262.4043B1=17.4, B2=17.6, I=17.2, R1=17.4, R2=17.2USNO-B1Query vizier around this object
49.2279.964862.4042h=16.3, j=16.6, k=15.92MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 167 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.