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GCN Circular 28033

Subject
GRB 200623A : SMA observations at Swift/XRT Source #3
Date
2020-06-26T07:19:35Z (4 years ago)
From
Yuji Urata at Nat. Central U. <urata@astro.ncu.edu.tw>
Kuiyun Huang (CYCU), Yuji Urata (NCU), Glen Petitpas (CfA) 
report

We used SMA to observe the location of the Swift/XRT source #3 
(Evans, GCN Circ. 28015) as one of the afterglow candidates of
GRB200623A (Fermi/GBM Team, GCN Circ. 28011; DeLaunay et al., GCN
Circ. 28013, 28016).  The 230 GHz observation was started at ~1 days
after the burst.  No clear submm source at the Swift/XRT sources #3
position was found brighter than ~1 mJy.

We thank the staff of SMA.
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