منابع مشابه
Profiling Young Massive Stars
We present the results of spectral energy distribution analysis for 162 of the 405 sources reported in the SIMBA survey of Hill et al. (2005). The fits reveal source specific parameters including: the luminosity, mass, temperature, H2 number density, the surface density and the luminosity-to-mass ratio. Each of these parameters are examined with respect to the four classes of source present in ...
متن کاملFrom Massive Cores to Massive Stars
The similarity between the mass and spatial distributions of prestellar gas cores in star-forming clouds and young stars in clusters provides strong circumstantial evidence that these gas cores are the direct progenitors of individual stars. Here I describe a physical model for the evolution of massive cores into stars, starting with the intial phases of collapse and fragmentation, through disk...
متن کاملMassive Stars in Transition
We discuss the various post-main sequence phases of massive stars, focusing on Wolf-Rayet stars, Luminous Blue Variables, plus connections with other early-type and late-type supergiants. End states for massive stars are also investigated, emphasising connections between Supernovae originating from core-collapse massive stars and Gamma Ray Bursts.
متن کاملInstabilities in massive stars
A defining property of massive stars is the dominant, dynamical role played by radiation throughout the stellar interior, atmosphere, and wind. Associated with this radiation hydrodynamics are several distinct kinds of instabilities that can lead to convection in both core and envelope, clumping in atmosphere and wind outflow, and perhaps even the dramatic mass loss outbursts associated with Lu...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2011
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921312012604