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Sky images|
UVOT images|
SPER data|
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Swift Trigger: 992444

Presumed name: Non-burst

Back to trigger list.

BAT 23h 34m 16.80s, -48° 16′ 37.2″
position:(353.570, -48.277 ± 180″)
XRT No position available.
UVOT No position available.
Galactic NHI:1.22×100 cm-2
Galactic E(B-V):0.010 mag
Best RA:23h 34m 16.80s= 353.570 d
Best Dec:-48° 16′ 37.2″= -48.277 d
Gal Lat:-64.08
Gal Long:333.13
Sun angle:139.01°, 10.5 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

SPER results page for this trigger.

Image of the SPER data

There are 8 SPER messges, but no object has been found.

See the SPER page for details of how the SPER image is searched for objects.


Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)RA DecDate reportedSource MiscQuery
0.0′′353.57000-48.27700GCN #28278Swift Trigger 992444: a possible GRB 200821AVizier logo
0.0′′353.57000-48.27700GCN #28280Swift GRB200821.55: Global MASTER-Net observations report Vizier 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

* 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
14.1353.5704-48.2808NEDQuery vizier around this object
19.5353.5767-48.2800NEDQuery vizier around this object
23.1353.5796-48.2781NEDQuery vizier around this object
28.6353.5738-48.2695B=22.8SSSQuery vizier around this object
32.2353.5713-48.2858NEDQuery vizier around this object
36.2353.5667-48.2869NEDQuery vizier around this object
36.7353.5704-48.2669NEDQuery vizier around this object
37.7353.5854-48.2758NEDQuery vizier around this object
43.1353.5550-48.2836NEDQuery vizier around this object
46.3353.5613-48.2656NEDQuery vizier around this object

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

There are 173 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
36.7353.5707-48.2668h=16.0, j=16.6, k=15.12MASSQuery vizier around this object
43.1353.5550-48.2836h=13.5, j=14.2, k=13.52MASSQuery vizier around this object
43.4353.5548-48.2835B2=17.1, I=14.6, R1=15.7, R2=15.8USNO-B1Query vizier around this object
47.4353.5523-48.2829B2=19.2, I=17.5, R1=18.8, R2=18.3USNO-B1Query vizier around this object
57.9353.5502-48.2678h=14.9, j=15.1, k=14.82MASSQuery vizier around this object
58.2353.5501-48.2677B2=16.7, I=15.3, R1=16.1, R2=16.0USNO-B1Query vizier around this object
74.1353.5969-48.2871h=15.9, j=16.2, k=15.42MASSQuery vizier around this object
90.6353.5595-48.2528B2=19.0, I=18.2, R1=18.9, R2=19.0USNO-B1Query vizier around this object
91.5353.5708-48.3024B2=15.5, I=14.0, R1=14.9, R2=15.1USNO-B1Query vizier around this object
91.8353.5709-48.3025h=13.6, j=14.0, k=13.62MASSQuery vizier around this object

Queried USNO-B1, SDSS, 2MASS.

There are 59 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.