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HD 2672


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A catalog of K giants at the South Galactic Pole - Broadband and DDO photometry and radial velocities
We describe a sample of K giants at the South Galactic Pole, selected toexamine the chemical and kinematical properties of stars perpendicularto the galactic plane and to measure the local column density of thedisk. We report velocities, abundances, absolute magnitudes, andbroadband BV photometry for over 500 giants.

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.

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Observation and Astrometry data

Constellation:くじら座
Right ascension:00h30m09.25s
Declination:-22°30'20.5"
Apparent magnitude:9.513
Proper motion RA:31.2
Proper motion Dec:-25
B-T magnitude:10.871
V-T magnitude:9.626

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 2672
TYCHO-2 2000TYC 6414-890-1
USNO-A2.0USNO-A2 0600-00201862
HIPHIP 2359

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