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HD 154070


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Pulkovo compilation of radial velocities for 35495 stars in a common system.
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New Elements for 80 Eclipsing Binaries IV.
This research presents new elements for 80 eclipsing binaries found withthe help of the ASAS-3, Hipparcos and NSVS databases.

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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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Akrep
Sað Açýklýk:17h04m58.41s
Yükselim:-38°37'06.1"
Görünürdeki Parlaklýk:8.906
Uzaklýk:2777.778 parsek
özdevim Sað Açýklýk:-3.5
özdevim Yükselim:-9.3
B-T magnitude:8.917
V-T magnitude:8.907

Kataloglar ve belirtme:
Özgün isimleri
HD 1989HD 154070
TYCHO-2 2000TYC 7869-1330-1
USNO-A2.0USNO-A2 0450-26403047
HIPHIP 83583
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