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- University of California, BerkeleyUS44 papers
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5 papers · 1 filter
New insights into the nature of the SMC WR/LBV binary HD 5980
C. Foellmi, G. Koenigsberger, L. Georgiev +14
We present the results of optical wavelength observations of the unusual SMC eclipsing binary system HD 5980 obtained in 1999 and 2004--2005. Radial velocity curves for the eruptin…
Recovery of p-modes in the combined 2004-2005 MOST observations of Procyon
S. V. Marchenko
Procyon A, a bright F5 IV-V Sun-like star, is justifiably regarded as a prime asteroseismological target. This star was repeatedly observed by MOST, a specialized microsatellite pr…
Solutions of Higher Dimensional Gauss-Bonnet FRW Cosmology
Keith Andrew, Brett Bolen, Chad A. Middleton
We examine the effect on cosmological evolution of adding a Gauss-Bonnet term to the standard Einstein-Hilbert action for a (1 + 3)+ d dimensional Friedman-Robertson-Walker (FRW) m…
On embedding well-separable graphs
Béla Csaba
Call a simple graph of order well-separable, if by deleting a separator set of size the leftover will have components of size at most . We prove, that bounded…
Spectroscopy of SMC Wolf-Rayet Stars Suggests that Wind-Clumping does not Depend on Ambient Metallicity
S. V. Marchenko, C. Foellmi, A. F. J. Moffat +3
The mass-loss rates of hot, massive, luminous stars are considered a decisive parameter in shaping the evolutionary tracks of such stars and influencing the interstellar medium on…