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TYC 2533-1902-1


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A kinematic and abundance survey at the galactic poles
The DDO intermediate band system is used to obtain detailed informationabout abundance gradients and velocity dispersions in the galaxy, withan emphasis on the properties of halo stars in the range of from 1 to 5kpc. The DDO abundance index is calibrated agianst (Fe/H) for metal-poorstars, with a resulting gradient of about -0.2 per kpc. However, whenthe sample is divided into two subsamples with (Fe/H) less than -0.5 andequal to or greater than -0.5, the gradients are -0.14 and 0.00,respectively. DDO observations of about 1000 stars, mostly G5-K5 giants,show that the velocity dispersion increases both with decrease inmetallicity and increase in z distance. The abundances found for high-zstars are similar to the A-star results of Rodgers (1971) in that abouthalf the K giants above 1 kpc appear to have solar abundances.

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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Observation and Astrometry data

Constellation:Canes Venatici
Right ascension:12h49m45.30s
Declination:+34°14'33.2"
Apparent magnitude:9.186
Proper motion RA:-0.2
Proper motion Dec:1.9
B-T magnitude:10.621
V-T magnitude:9.305

Catalogs and designations:
Proper Names
TYCHO-2 2000TYC 2533-1902-1
USNO-A2.0USNO-A2 1200-06959614
HIPHIP 62609
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