搜索结果: 1-15 共查到“天文学 Massive Stars”相关记录25条 . 查询时间(0.062 秒)
Radiation-driven winds of hot luminous stars. XVI. Expanding atmospheres of massive and very massive stars and the evolution of dense stellar clusters
Radiation mechanisms: general – Methods: numerical – Radiative transfer – early Universe – Stars: early-type – mass- loss – stellar winds – very massive stars – stellar evolution
2011/9/27
Context: Starbursts, and particularly their high-mass stars, play an essential role in the evolution of galaxies. The winds of massive stars not only significantly influence their surroundings, but th...
We present an overview of a few spectroscopic diagnostics of massive stars. We explore the following wavelength ranges: UV (1000 to 2000 A), optical (4000--7000 A) and near-infrared (mainly H and K ba...
The revival of an explosion mechanism of massive stars - the quark hadron phase transition during the early post bounce phase of core collapse supernovae
Core collapse supernovae protoneutron stars general relativity radiation hydrodynamics
2010/11/16
We explore explosions of massive stars, which are triggered via the quark hadron phase transition during the early post bounce phase of core collapse supernovae. The onset of quark matter is favored u...
Young Stellar Groups and Their Most Massive Stars
Young Stellar Groups Their Most Massive Stars
2010/11/11
We analyze the masses and spatial distributions of fourteen young stellar groups in Taurus, Lupus3, ChaI, and IC348. These nearby groups, which typically contain 20 to 40 members, have membership cata...
Radio emission from the massive stars in Westerlund 1
Radio emission massive stars in Westerlund 1
2010/11/10
The diverse massive stellar population in the young massive clusterWesterlund 1 (Wd 1)provides an ideal laboratory to observe and constrain mass-loss processes throughout the transitional phase of mas...
Identification of a Population of X-ray Emitting Massive Stars in the Galactic Plane
stars: winds outflows – stars Wolf-Rayet – supergiants – X-rays binaries – X-rays
2010/11/16
We present X-ray, infrared, optical and radio observations of four previously unidentified Galactic plane Xray sources, AX J163252–4746, AX J184738–0156, AX J144701–5919 and AX J144547–5931. Detection...
Circumstellar Material Around Evolved Massive Stars
Solar and Stellar Astrophysics (astro-ph.SR) High Energy Astrophysical Phenomena (astro-ph.HE)
2011/1/7
I review multiwavelength observations of material seen around different types of evolved massive stars (i.e. red supergiants, yellow hypergiants, luminous blue variables, B[e] supergiants, and Wolf-Ra...
Signatures of binary evolution processes in massive stars
Solar and Stellar Astrophysics (astro-ph.SR)
2011/1/5
Before binary components interact, they evolve as single stars do. We therefore first critically discuss massive single star processes which affect their evolution, stellar wind mass loss and rotation...
Turbulence and magnetic spots at the surface of hot massive stars
Solar and Stellar Astrophysics (astro-ph.SR) Fluid Dynamics (physics.flu-dyn)
2010/12/29
Hot luminous stars show a variety of phenomena in their photospheres and in their winds which still lack clear physical explanations at this time. Among these phenomena are non-thermal line broadening...
In savvy pursuit of Local Group blue massive stars
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/28
The important role of metallicity on massive star evolution and the combination of multi-object spectrographs and 10m class telescopes, have lead to numerous systematic studies of massive stars in Loc...
Magnetic fields, winds and X-rays of the massive stars in the Orion Nebula Cluster
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/29
In some massive stars, magnetic fields are thought to confine the outflowing radiatively-driven wind. Although theoretical models and MHD simulations are able to illustrate the dynamics of such a magn...
The role of accretion disks in the formation of massive stars
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/23
We present radiation hydrodynamics simulations of the collapse of massive pre-stellar cores. We treat frequency dependent radiative feedback from stellar evolution and accretion luminosity at a numeri...
The Infrared Properties of Massive Stars in the Magellanic Clouds
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/23
We present results of our study of the infrared properties of massive stars in the Large and Small Magellanic Clouds, which are based on the Spitzer SAGE surveys of these galaxies.
VLT spectroscopy of massive stars in NGC55。
The Evolution of Circumstellar Medium around Rotating Massive Stars
Circumstellar Medium Rotating Massive Stars
2009/6/30
The Evolution of Circumstellar Medium around Rotating Massive Stars。