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Enviar un nou article| Red horizontal-branch stars in the galactic disk A quantitative, three-dimensional spectral classification systemdeveloped by Rose (1984), which uses 2.5-A resolution spectra in theblue, has been used to identify a class of red horizontal branch (RHB)stars in the Galactic disk that are similar to those in the 'metal rich'globular cluster M 71. The RHB are denoted as evolved stars by their SrII 4077 line, and are distinguished from post-main sequence starsevolving through the same region of the HR diagram on the basis of theunique appearance of their CN 3883 and 4216 A bands. The RHB starsconsitute at least 5 percent of the entire giant branch population ofthe disk.
 
 
 |  | UBVRI photometry of north galactic pole K giants Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970AJ.....75..971H&db_key=AST
 
 
 |  | The space distribution of late type stars in a North galactic pole region. Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1962AJ.....67...37U&db_key=AST
 
 
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 Dades d'Observació i Astrometria
| Constel·lació: | Ursa Major |  | Ascensió Recta: | 12h05m06.62s |  | Declinació: | +47°24'09.1" |  | Magnitud Aparent: | 8.711 |  | Distancia: | 173.913 parsecs |  | Moviment propi RA: | -136.9 |  | Moviment propi Dec: | 39.6 |  | B-T magnitude: | 9.737 |  | V-T magnitude: | 8.796 |  Catàlegs i designacions:
 
 
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