SIMBAD references

2001A&A...374.1085C - Astronomy and Astrophysics, volume 374, 1085-1091 (2001/8-2)

On the Wilson-Bappu relationship in the MgII k line.


Abstract (from CDS):

An investigation is carried out on the Wilson-Bappu effect in the MgII k line at 2796.34Å. The work is based on a selection of 230 stars observed by both the IUE and HIPPARCOS satellites, covering a wide range of spectral types (F to M) and absolute visual magnitudes (-5.4≤MV≤9.0). A semi-automatic procedure is used to measure the line widths, which applies also in the presence of strong central absorption reversal. The Wilson-Bappu relationship here provided is considered to represent an improvement over previous recent results for the considerably larger data sample used, as well as for a proper consideration of the measurement errors. No evidence has been found for a possible dependence of the WB effect on stellar metallicity and effective temperature.

Abstract Copyright:

Journal keyword(s): stars: distances - stars: late-type - ultraviolet: general - line: profiles - catalogs

VizieR on-line data: <Available at CDS (J/A+A/374/1085): tablea.dat tablea.tex>

Simbad objects: 233

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