Spectral types of a few 'unidentified' Equatorial Infrared Catalogue 1 (EIC-1) sources

Details Spectral types of a few 'unidentified' Equatorial Infrared Catalogue 1 (EIC-1) sources Spectral types of a few 'unidentified' Equatorial Infrared Catalogue 1 (EIC-1) sources

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984basi...12..417p&link_type=abstract

Astronomical Society of India, Bulletin, vol. 12, Dec. 1984, p. 417-422.

Astronomy and Astrophysics

Astronomy

1

Astronomical Catalogs, Infrared Stars, M Stars, Spectrum Analysis, Stellar Spectra, Variable Stars

Scientific paper

Spectral types are assigned to 13 'unidentified' Equatorial Infrared Catalogue 1 (EIC-1) sources from a study of their spectra in the wavelength interval 5200-8700 A. Their spectral types range from M4.5 to M6.5. From a combination of the data on their (J-K) colors and optical spectra, it is inferred that these sources are stars of luminosity class III. EIC 258 has a (J-K) color which is higher than the characteristic value for its spectral type by 0.2. The star is also found to be a variable.

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