Plaskett's Star

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modern name for HD 47129 A = V640 Mon.

screenshot of the abstract
"Plaskett's Star" mentioned in Otto Struve's publication (1948).

Etymology and History

Name appears to stem from Struve (1948) “J. S. Plaskett's Star of Large Mass, HD 47129” https://ui.adsabs.harvard.edu/abs/1948ApJ...107..327S/abstract and subsequently as “Plaskett’s Star”by Abhyankar (1957) https://ui.adsabs.harvard.edu/abs/1957PASP...69..385A/abstract. Struve remarked that the system was unique for its total mass being so massive (>139 Msun)


Mythology

IAU Star Name

Appears in various name compendia: Hoffleit’s Bright Star Catalog 4th & 5th eds, Burnham (1978), Spite & Lahmek (1982), Lortet & Spite (1986), Fernandez+(1983) Recent examples of use in paper title’s:Mahy+2011 2011A&A...525A.101M  , Grunhut+2013 2013MNRAS.428.1686G, Palate & Rauw (2014) 2014A&A...572A..16P, Naze+2017 (2017MNRAS.467..501N) “Plaskett’s Star” has its own entry in “Encyclopedia of Astronomy & Astrophysics” (ed. Murdin, 2001) https://ui.adsabs.harvard.edu/abs/2000eaa..bookE5170./abstract V=6.06 mag O supergiant binary – two ~55 solar mass stars https://en.wikipedia.org/wiki/Plaskett%27s_Star Name is already in SIMBAD: https://simbad.u-strasbg.fr/simbad/sim-id?Ident=plaskett%27s+star The star has no other known alias.


Weblinks

Reference