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HD 145414


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A large, complete, volume-limited sample of G-type dwarfs. I. Completion of Stroemgren UVBY photometry
Four-colour photometry of potential dwarf stars of types G0 to K2,selected from the Michigan Spectral Catalogues (Vol. 1-3), has beencarried out. The results are presented in a catalogue containing 4247uvby observations of 3900 stars, all south of δ = -26deg. Theoverall internal rms errors of one observation (transformed to thestandard system) of a program star in the interval 8.5 < V < 10.5are 0.0044, 0.0021, 0.0039, and 0.0059, respectively, in V, b-y, m_1_ ,and c_1_. The purpose of the catalogue, combined with earliercatalogues, is to allow selection of a large, complete, volume-limitedsample of G- and K-type dwarfs, investigate their metallicitydistribution, and compare it to predictions of various models ofgalactic chemical evolution. Future papers in this series will discussthese subjects.

Luminosities, Temperatures, and Kinematics of K-Type Dwarfs
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1971ApJS...22..389E&db_key=AST

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관측 및 측정 데이터

별자리:직각자자리
적경:16h13m19.18s
적위:-51°34'34.8"
가시등급:9.16
적경상의 고유운동:-3.9
적위상의 고유운동:-2.4
B-T magnitude:11.502
V-T magnitude:9.354

천체목록:
일반명   (Edit)
HD 1989HD 145414
TYCHO-2 2000TYC 8323-1780-1
USNO-A2.0USNO-A2 0375-26681097
HIPHIP 79494

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