Photometric reanalysis identifies UPK 13-c2 as a candidate late-K/early-M binary with circumbinary disk in the ~316 Myr cluster UPK 13, potentially the oldest main-sequence disk-eclipsing binary known.
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A Candidate Low-mass Disk-eclipsing Binary in the ~316 Myr Open Cluster UPK 13
Photometric reanalysis identifies UPK 13-c2 as a candidate late-K/early-M binary with circumbinary disk in the ~316 Myr cluster UPK 13, potentially the oldest main-sequence disk-eclipsing binary known.