Observations of the TiO 8860 band in M giants

Details Observations of the TiO 8860 band in M giants Observations of the TiO 8860 band in M giants

Apr 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86..557r&link_type=abstract

Astronomical Journal, vol. 86, Apr. 1981, p. 557-560.

Astronomy and Astrophysics

Astronomy

15

Giant Stars, Infrared Spectra, M Stars, Stellar Atmospheres, Stellar Spectrophotometry, Stellar Temperature, Late Stars, Line Spectra, Spectrum Analysis, Titanium Oxides

Scientific paper

Observations are presented of the TiO δ(0,0) R-branch bandhead at 8860 Å, which were obtained with the CID camera on the main spectrograph at the McMath solar telescope. At a spectral resolution of 0.25 Å, a bandhead index is defined which is calibrated as a function of effective temperature for spectral types K4 to M6. This feature is a potentially useful tool for study of surface inhomogeneities on active stars as well as a diagnostic for cool stellar atmospheres.

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