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HD 42421


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Ýlgili Makaleler

UBV photometry of stars whose positions are accurately known.
Photometric indices V, B-V, and U-B were measured for about 560 stars ofthe AGK3R and NPZT catalogs between BD declinations 11 deg and 23 deg,using the 40-cm Cassegrain telescope of the Kvistaberg Observatory fromApril 1986 to May 1987. The observation procedure and the reductiontechnique were the same as in the earlier papers of this series by Oja(1984, 1985, 1986, and 1987). The mean errors were calculated from theinternal consistency of the data. The accuracy was found to be the sameas for the earlier parts of the survey.

Stellar Spectra in Milky way Regions. VIII. a Region in Orion.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1959ApJS....4...23M&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Avci
Sað Açýklýk:06h11m13.16s
Yükselim:+15°33'42.9"
Görünürdeki Parlaklýk:7.603
Uzaklýk:214.592 parsek
özdevim Sað Açýklýk:3.3
özdevim Yükselim:-16.7
B-T magnitude:9.052
V-T magnitude:7.723

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 42421
TYCHO-2 2000TYC 1314-566-1
USNO-A2.0USNO-A2 1050-03154456
HIPHIP 29344

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