SIMBAD references

2006BaltA..15..531K - Baltic Astronomy, 15, 531-537 (2006/December-0)

A cool R Coronae Borealis star Z UMi.


Abstract (from CDS):

High resolution spectra of a RCrB type star ZUMi are analyzed. The atmospheric parameters of ZUMi are estimated - Teff=5250±250 K and logg=0.5±0.3. This places ZUMi among the coolest RCrB stars. The hydrogen deficiency of ZUMi is confirmed. The abundances of other elements resemble those found for the minority group of RCrB stars. We note very low iron abundance, [Fe/H] = -1.85, and an excess of lithium, [Li/Fe]=+1.9.

Abstract Copyright:

Journal keyword(s): stars: atmospheres - stars: individual (ZUMi)

Simbad objects: 7

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