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HD 177706


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관련 글

New UBVRI photometry for 900 supergiants
A description is presented of the results obtained in connection with asystematic program of supergiant photometry on the Johnson UBVRI system.During the eight years after the start of the program, almost 1000 starshave been observed, about 400 three or more times each. The originalselection of stars used the spectral type catalog of Jaschek et al.(1964) to choose supergiants. Since observations were possible from bothChile and Canada, no declination limits were imposed, and no particularselection criteria were imposed other than to eliminate carbon stars.These are so red as to require enormous extrapolations of thetransformation equations.

MK classifications for F-and G-type stars. 3.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974AJ.....79..682H&db_key=AST

Mesures d'étoiles doubles effectuées au télescope de 80 cm. de l'Observatoire de Marseille
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관측 및 측정 데이터

별자리:독수리자리
적경:19h06m10.76s
적위:-09°37'56.0"
가시등급:6.666
거리:694.444 파섹
적경상의 고유운동:3.7
적위상의 고유운동:-9.6
B-T magnitude:7.958
V-T magnitude:6.773

천체목록:
일반명   (Edit)
HD 1989HD 177706
TYCHO-2 2000TYC 5711-487-1
USNO-A2.0USNO-A2 0750-16551080
HIPHIP 93801

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