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HD 109543


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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.

Spectra of Upgren's unclassified stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972AJ.....77..669S&db_key=AST

Upgren's unclassified stars A: a new type of G-giant stars ?
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971AJ.....76..334S&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

Investigations on the stars in high galactic latitudes. III. Spectrophotometric analysis of about 3000 stars down to the photographic magnitude 13.5.
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Stars with large proper motions in the astrographic zones+ 32° and + 33° (List I)
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Osservazione e dati astrometrici

Costellazione:Cani da Caccia
Ascensione retta:12h35m18.35s
Declinazione:+33°02'51.9"
Magnitudine apparente:8.749
Distanza:121.065 parsec
Moto proprio RA:-89.3
Moto proprio Dec:35.1
B-T magnitude:9.641
V-T magnitude:8.823

Cataloghi e designazioni:
Nomi esatti   (Edit)
HD 1989HD 109543
TYCHO-2 2000TYC 2528-2221-1
USNO-A2.0USNO-A2 1200-06920607
HIPHIP 61433
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