HD 201669

Riduzione degli errori sistematici nelle osservazioni meridiane di tempo e di longitudine Not Available
Spectral and Luminosity Classifications and Measurements of the Strength of Cyanogen Absorption for Late-Type Stars from Objective-Prism Spectra. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1961ApJ...134..809Y&db_key=AST
Luminosity Function and Space Motions of G8-K1 Stars Derived from Spectroscopic Parallaxes. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955ApJ...122..222H&db_key=AST

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