emamajek on 10-May-2020 19:44:35 GMT about L 879-2
Historical note: In Luyten's publications between 1950s and 1970s, he listed a common proper motion companion to L 879-2, but this appears to have been a spurious faint background star. Luyten (1955; LFT;
1955LFT...C......0L
) listed an entry LFT 364 = L 879-3 with identical position and proper motion as LFT 363 = L 879-2, however Luyten (1979;
1979LHS...C......0L
) later commented "The faint companion announced before is optical," and Luyten (1979;
1995yCat.1098....0L
), adding yet more extraneous designations (NLTT
13611 and LP 655-37), commented "Faint comp. is optical". The faint optical component in question was the one Luyten originally (and multiply) designated LFT 364 = L 879-3. It appears in LDS Catalog under "Data rejected for duplicate numbers or optical systems" with remark "optical". Neighbor LHS 1685
(=L 879-2) appears as a single entry in subsequent catalogs (e.g. Bakos+2002 revision of LHS
2002ApJS..141..187B
), and there is no sign of a high proper motion companion to L 879-2 in Gaia DR2. It does appear that L 879-2 did come close to passing the
faint Gaia DR2 star Gaia DR2 3198663532052789248 in the early/mid-20th century (however without Luyten's finder chart the ID is not secure). So
LFT 364 = L 879-3 appear to have been spurious, and LFT 363 = L 892-2 appears thus far be a single star.
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