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HD 35845


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Interstellar polarization from observations of A and F stars in high and intermediate galactic latitudes, and from stars in the Mathewson and Ford polarization catalogue
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1986A&AS...64..487K&db_key=AST

The chemical evolution of the solar neighborhood. I - A bias-free reduction technique and data sample
The possible ways of measuring the age-metallicity relation for thegalactic disk in the neighborhood of the sun are discussed. It is shownthat the use of a field star sample chosen on the basis of effectivetemperature introduces a bias which results in a monotonic increase inthe metal abundance of the disk with time. However, if theage-metallicity relation for the disk can be shown to satisfy certaincriteria, the bias introduced in such a sample can be neglected: thegalactic disk apparently satisfies the criteria. It is concluded that asample analyzed through the use of uvby and H(beta) photometry inconjunction with a self-consistent set of theoretical isochronesprovides the least biased, most accurate estimate of the age-metallicityrelation for the disk.

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Observation and Astrometry data

Constellation:Δοράς
Right ascension:05h24m00.33s
Declination:-58°05'42.3"
Apparent magnitude:8.508
Distance:126.582 parsecs
Proper motion RA:-5.9
Proper motion Dec:-9
B-T magnitude:8.886
V-T magnitude:8.54

Catalogs and designations:
Proper Names
HD 1989HD 35845
TYCHO-2 2000TYC 8526-151-1
USNO-A2.0USNO-A2 0300-01697671
HIPHIP 25251
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