Problems in the temperature classification of the red giant stars

Details Problems in the temperature classification of the red giant stars Problems in the temperature classification of the red giant stars

Apr 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982pasp...94..299k&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 94, Apr. 1982, p. 299-303.

Astronomy and Astrophysics

Astronomy

4

Red Giant Stars, Stellar Spectra, Stellar Temperature, Titanium Oxides, Spectral Bands, Spectral Line Width, Stellar Spectrophotometry

Scientific paper

Effective temperatures determined by Tsuji (1981) by the infrared-flux method were shown by him to remain nearly constant in the range M0 to M2. It is easily shown that this is not due to any luminosity effect in the spectral types. Rather, revised MK types based primarily on TiO band strengths in this range are shown to be more sensitive to temperature changes than are the commonly used color indices.

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