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HD 47775


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Ýlgili Makaleler

ICCD Speckle Observations of Binary Stars.XV.An Investigation of Lunar Occultation Systems
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....112.2260M&db_key=AST

Photoelectric measurements of lunar occultations. VII - Further observational results
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975AJ.....80..689A&db_key=AST

A photometric method for selecting AP stars
The paper describes a photometric method which is independent ofluminosity and interstellar reddening, developed for the selection of Apstars with spectral type earlier than A5, excluding Hg stars. Thismethod was applied to the star clusters measured by the photometricsystem of Geneva Observatory.

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Ikizler
Sað Açýklýk:06h41m02.31s
Yükselim:+19°47'05.2"
Görünürdeki Parlaklýk:9.195
özdevim Sað Açýklýk:-1.3
özdevim Yükselim:-6.3
B-T magnitude:9.464
V-T magnitude:9.218

Kataloglar ve belirtme:
Özgün isimleri   (Edit)
HD 1989HD 47775
TYCHO-2 2000TYC 1338-2139-1
USNO-A2.0USNO-A2 1050-04078631
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