On the spectra and photometry of M-giant stars

Details On the spectra and photometry of M-giant stars On the spectra and photometry of M-giant stars

Jun 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994a%26as..105..311f&link_type=abstract

Astronomy and Astrophysics Suppl. 105, 311-336 (1994)

Astronomy and Astrophysics

Astrophysics

281

Stars: Late Type, Giants, Fundamental Parameters, Ism: Extinction

Scientific paper

From a sample of 97 very bright M-giant stars in the Solar neighbourhood, high-quality "intrinsic" spectra in the spectral range 380 <~ λ[nm] <~ 900 for all M-spectral subtypes of the Case and MK classification systems are obtained. The results are fitted to photospheric synthetic spectra in the range 99 <~ λ [nm] <=12500 in order to infer the corresponding continua. The synthetic spectra are also compared to the intrinsic spectra. The effective temperatures are derived and mathematical spectral classification criteria are found. The (UB)_j_(VRI)_c_(JHKLM)_ESO_ photometric data of the sample are also given. The data are available on the Strasbourg Astronomical Data Centre (CDS).

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