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HD 139976


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관련 글

Pulkovo compilation of radial velocities for 35495 stars in a common system.
Not Available

A homogeneous catalog of new UBV and H-beta photometry of B- and A-type stars in and around the Scorpius-Centaurus OB association
B- and A-type stars in and near the Sco-Cen OB association areinvestigated with UBV and H-beta photometry to acquire data relevant tothe luminosity function of Sco-Cen. The measurements generally consistof two 10-s integrations of U, B, V, (W, N) filters, and theobservations are corrected iteratively for atmospheric extinction andinstrumental response. The data presented give the mean V magnitude,mean B-V, mean U-B, and the estimated uncertainties for these values.The catalog provides a homogeneous catalog of data for a large fieldwith stellar objects delineating membership to the association Sco-Cenand that affect the luminosity function of the aggregate.

Radial velocities for early type stars in six galactic regions
Coudespectroscopy has been carried out for 353 stars of spectral typesB0-A0 and V magnitudes between 6.5 and 10.8 m, selected in six regions(three northern and three southern) close to the galactic plane at thegalactic longitudes 135, 175, 315 and 350 deg. The radial velocitieswere obtained by cross-correlating each spectrogram with a referencespectrogram giving an internal error of 1.4 km/s.

Four-colour and H-beta photometry for early type stars in three southern galactic regions
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1980A&AS...41...85L&db_key=AST

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관측 및 측정 데이터

별자리:천칭자리
적경:15h42m04.39s
적위:-23°02'11.7"
가시등급:8.422
거리:204.918 파섹
적경상의 고유운동:13.4
적위상의 고유운동:-8.6
B-T magnitude:8.711
V-T magnitude:8.446

천체목록:
일반명   (Edit)
HD 1989HD 139976
TYCHO-2 2000TYC 6777-288-1
USNO-A2.0USNO-A2 0600-18543254
HIPHIP 76898

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