Browsing Articles by Subject "Be stars"

Browsing Articles by Subject "Be stars"

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    MOST detects SPBe pulsations in HD 127756 and HD 217543: asteroseismic rotation rates independent of v sin i[superscript 1] 
    Guenther, David B.; Cameron, Chris; Saio, H.; Kuschnig, R.; Walker, G. A. H.; Matthews, J. M.; Moffat, A. F. J.; Rucinski, S. M.; Sasselov, D.; Weiss, W. W. (American Astronomical Society, 2008-09)
    The MOST (Microvariability and Oscillations of Stars ) satellite has discovered SPBe (slowly pulsating Be) oscillations in the stars HD 127756 (B1/B2 Vne) and HD 217543 (B3 Vpe). For HD 127756, 30 significant frequencies ...

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    MOST finds no coherent oscillations in the hot carbon-rich Wolf-Rayet star HD 165763 (WR 111) 
    Guenther, David B.; Moffat, A. F. J.; Marchenko, S. V.; Zhilyaev, B. E.; Rowe, J. F.; Muntean, V.; Chene, A.-N.; Matthews, J. M.; Kuschnig, R.; Rucinski, S. M. (American Astronomical SocietyIOP Publishing, 2008-05-20)
    We have photometrically monitored the V = 8 mag Galactic Population I WC5 star WR 111 for 3 weeks nonstop using the MOST microsatellite. Each of the ∼27,000 data points has a precision of ∼3 mmag. We find no coherent Fourier ...

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    Properties of galactic B[e] supergiants III. MWC 300 
    Men'shchikov, A. B.; Miroshnichenko, A. S.; Levato, H.; Bjorkman, K. S.; Grosso, M.; Manset, N.; Rudy, R. J.; Lynch, D. K.; Mazuk, S.; Venturini, C. C. (European Southern ObservatoryEDP Sciences, 2004-04)
    We present the results of optical and near-IR spectroscopic and mid-IR imaging observations of the emission-line star MWC 300. Its properties and evolutionary state are still under debate (a B[e] supergiant or a Herbig Be ...

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    Properties of galactic B[e] supergiants V. Two-dimensional radiative transfer model of RY Sct and its dusty disc 
    Men'shchikov, A. B.; Miroshnichenko, A. S. (European Southern ObservatoryEDP Sciences, 2005-11)
    We present results of the first two-dimensional radiative transfer modelling of the eclipsing binary RY Sct and its dusty disc. Assuming an effective temperature T[subscript *] = 27 000 K for both components and the distance ...

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    Surface temperature and synthetic spectral energy distributions for rotationally deformed stars 
    Deupree, Robert G. (Robert Gaston), 1946-; Lovekin, C. C.; Short, C. Ian (Christopher Ian), 1965- (American Astronomical SocietyIOP Publishing, 2006-05-20)
    Extreme deformation of a stellar surface, such as that produced by rapid rotation, causes the surface temperature and gravity to vary significantly with latitude. Thus, the spectral energy distribution (SED) of a nonspherical ...

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