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HD 69841


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The VELA star cloud. III - The B8 to A0 stars and interstellar reddening
The present discussion of intermediate band and H-beta observations of360 HD stars B8-A0 in Vela, and all of the CPD stars in a small adjacentregion, notes that the interstellar absorption in both cases can beunderstood as a combination of three absorbing clouds of 1 kpc-A(V) =1.5, 0.5, and 0.17. The major difference in the two environments is thepresence of numerous T Tauri stars in Taurus. Several clusters in theVela region are discussed.

H-beta photometry of southern early-type stars
H-beta photoelectric photometry is presented for 209 southern hemisphereearly-type stars from the HD catalog with galactic latitudes /b/ greaterthan 6 deg. Four-color photometry exists for all these stars and MKtypes for most of them. Absolute magnitudes have been estimated for allbut the emission-line stars and distances from the sun and the galacticplane determined.

Four colour photometry of southern early-type stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1978MNRAS.182..629K&db_key=AST

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관측 및 측정 데이터

별자리:돛자리
적경:08h16m37.47s
적위:-49°53'43.2"
가시등급:8.193
거리:854.701 파섹
적경상의 고유운동:-5.6
적위상의 고유운동:3.5
B-T magnitude:8.265
V-T magnitude:8.199

천체목록:
일반명   (Edit)
HD 1989HD 69841
TYCHO-2 2000TYC 8157-245-1
USNO-A2.0USNO-A2 0375-05230485
HIPHIP 40537

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