Kiel diagram nemudâr-e Kiel Fr.: diagramme de Kiel A version of the → H-R diagram displaying stellar gravities (→ gravity, log g) against the corresponding → effective temperatures (Teff). Named after the group of astrophysicists (W.-R. Hamann, W. Schmutz, U. Wessolowski) working at Kiel University (Germany), who introduced the diagram in 1980s; → diagram. |