CaII-M_v_ Correlation (Wilson-Bappu Effect)
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Hipparcos parallaxes were used to derive absolute visual magnitudes of G, K, and M stars with Ca II emission line widths previously measured by O.C. Wilson. A linear...
本研究利用依巴谷卫星（Hipparcos）的三角视差数据，对此前由O.C.威尔逊（O.C. Wilson）测量过电离钙II（Ca II）发射线宽度的G型、K型与M型恒星，推导得到其绝对目视星等。后续将开展线性……
