Browsing by Subject "Parallax -- Stars"

Browsing by Subject "Parallax -- Stars"

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    A UBV study of the field of NGC 7790 
    Takala, John Michael (Halifax, N.S. : Saint Mary's University, 1988)
    This thesis presents a UBV study of the field of the open cluster NGC 7790, which has three Cepheids within its boundaries. Photographic plates taken at CFHT were measured on an Astromechanics Iris Photometer. The distance ...

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    Discovery of the host cluster for the fundamental Cepheid calibrator Zeta Geminorum 
    Majaess, Daniel J.; Turner, David Gerald, 1945-; Gieren, W.; Balam, D.; Lane, D. J. (IOP Publishing Limited, 2012-03-20)
    New and existing CORAVEL, UBVJHKs, HST, HIP/Tycho, ARO, KPNO, and DAO observations imply that the fundamental Cepheid calibrator ζ Gem is a cluster member. The following parameters were inferred for ζ ...

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    Strengthening the open cluster distance scale via VVV photometry 
    Majaess, Daniel J.; Turner, David Gerald, 1945-; Bidin, C. Moni; Geisler, D.; Borissova, J.; Minniti, D.; Bonatto, C.; Gieren, W.; Carraro, G.; Kurtev, R. (EDP Sciences, 2012-01)
    Approximately 14% of known Galactic open clusters possess absolute errors ≤20% as evaluated from n ≥ 3 independent distance estimates, and the statistics for age estimates are markedly worse. That impedes such diverse ...