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HD 151561 (Leyla)


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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.

The Spectra and Rotational Velocities of the Bright Stars of Draper Types A3-G0.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1955ApJ...121..653S&db_key=AST

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Gözlemler ve gökölçümü verileri

Takýmyýldýz:Akrep
Sað Açýklýk:16h49m15.91s
Yükselim:-29°07'20.1"
Görünürdeki Parlaklýk:8.135
Uzaklýk:355.872 parsek
özdevim Sað Açýklýk:-6.4
özdevim Yükselim:-10.8
B-T magnitude:8.38
V-T magnitude:8.156

Kataloglar ve belirtme:
Özgün isimleriLeyla
  (Edit)
HD 1989HD 151561
TYCHO-2 2000TYC 6821-1693-1
USNO-A2.0USNO-A2 0600-21768221
HIPHIP 82326
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