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HD 28423


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관련 글

Near-IR speckle imaging of massive young stellar objects
We present near-IR speckle images of 21 massive Young Stellar Objects(YSOs) associated with outflows. The aim of this study is to search forsub-arcsecond reflection nebulae associated with the outflow cavity. Wefind that 6 of the massive YSOs show a conical nebula which can beinterpreted in terms of reflected light from the dusty walls of theoutflow cavity. In all cases, the small scale structures seen in ourimages are compared with outflow indicators found in the literature. Noclear correlation is found between the presence of the reflectionnebulosity and any property such as degree of embeddedness. We also notethat 3 of the sources show close companions, one of them belonging alsoto the sample with conical nebula.Figures \ref{S140SpeckleFig}, \ref{S255SpeckleFig},\ref{Ha101Fig}-\ref{HGL490Fig} and\ref{GL2591SpeckleFig}-\ref{GL5180peckleFig} are only available inelectronic form at http://www.edpsciences.org

Positions moyennes et mouvements propres de 355 etoiles DU GC de la zone de declinaison +33 +36.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1976A&AS...26..219M&db_key=AST

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관측 및 측정 데이터

별자리:페르세우스자리
적경:04h30m27.84s
적위:+36°06'33.3"
가시등급:8.432
거리:200.803 파섹
적경상의 고유운동:-1.3
적위상의 고유운동:-5.2
B-T magnitude:10.21
V-T magnitude:8.579

천체목록:
일반명   (Edit)
HD 1989HD 28423
TYCHO-2 2000TYC 2385-62-1
USNO-A2.0USNO-A2 1200-02306851
HIPHIP 21021

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