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HD 127760


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The Perkins catalog of revised MK types for the cooler stars
A catalog is presented listing the spectral types of the G, K, M, and Sstars that have been classified at the Perkins Observatory in therevised MK system. Extensive comparisons have been made to ensureconsistency between the MK spectral types of stars in the Northern andSouthern Hemispheres. Different classification spectrograms have beengradually improved in spite of some inherent limitations. In thecatalog, the full subclasses used are the following: G0, G5, G8, K0, K1,K2, K3, K4, K5, M0, M1, M2, M3, M4, M5, M6, M7, and M8. Theirregularities are the price paid for keeping the general scheme of theoriginal Henry Draper classification.

Stars with Strong Cyanogen Absorption
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971ApJ...163...75S&db_key=AST

A photoelectric investigation of strong cyanogen stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970AJ.....75...41M&db_key=AST

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

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Osservazione e dati astrometrici

Costellazione:Dragone
Ascensione retta:14h31m00.19s
Declinazione:+58°37'09.2"
Magnitudine apparente:8.246
Distanza:364.964 parsec
Moto proprio RA:-26.6
Moto proprio Dec:19.5
B-T magnitude:9.851
V-T magnitude:8.379

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 127760
TYCHO-2 2000TYC 3865-997-1
USNO-A2.0USNO-A2 1425-08135854
HIPHIP 70971

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