ghajdu on 09-Feb-2024 11:04:08 GMT about * nu. Pup
* nu Pup is currently listed in Simbad as a Cepheid variable. This classification is incorrect.
Its spectral class is B8III E according to the "Michigan catalogue of two-dimensional spectral types for the HD stars", and there other other sources confirming this classification. Furthermore, the spectroscopic temperatures measured for this object are all in excess of 12000K. The spectral type and surface temperature points to this object bing a B-type supergiant and not a Cepheid variable.
Note that the International Variable Star Index lists this object as a lamba Eridani variable. Also see the reference A&A, 2018, 620, A145 for this object.
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View annotation on * nu. Pup object