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Swift Trigger: 1048783

Presumed name: GRB 210517A

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BAT 23h 52m 41.76s, -39° 06′ 18.0″
position:(358.174, -39.105 ± 180″)
XRT 23h 52m 53.90s, -39° 06′ 08.3″
position:(358.2246, -39.1023 ± 2.1″)
UVOT No position available.
Galactic NHI:1.25×1020 cm-2
Galactic E(B-V):0.012 mag
Best RA:23h 52m 53.90s= 358.2246 d
Best Dec:-39° 06′ 08.3″= -39.1023 d
Gal Lat:-72.91
Gal Long:344.78
Sun angle:78.26°, 3.7 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.


SPER results page for this trigger.

Image of the SPER data

There are 6 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
0.5′′358.22479-39.10231GCN #30037GRB 210517A: VLT/X-shooter optical afterglow and redshiftVizier logo
0.5′′358.22446-39.10219GCN #30034GRB 210517A: Enhanced Swift-XRT positionVizier logo
1.1′′358.22450-39.10200GCN #30057GRB 210517A: KCT optical upper limitVizier logo
1.1′′358.22450-39.10200GCN #30032GRB 210517A: Swift detection of a burstVizier logo
96.9′′358.19000-39.10400GCN #30043GRB 210517A: Swift-BAT refined analysisVizier logo
141.7′′358.17400-39.10500GCN #30033Swift GRB 210517A: Global MASTER-Net observations report Vizier logo

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

Catalogue Searches. Searched 0′ 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
117.2358.2528-39.07822MASX J23530068-3904416H=14.552, J=15.250, K=13.991Query vizier around this object