搜索结果: 1-12 共查到“相对论天体物理学 Mass”相关记录12条 . 查询时间(0.048 秒)
New findings reveal the most detailed mass map of dark matter（图）
Astronomy Physics Research
2023/6/29
For millennia, humans have been fascinated by the mysteries of the cosmos. From ancient civilizations such as the Babylonians, Greeks, and Egyptians to modern-day astronomers, the allure of the starry...
The NASA-UC Eta-Earth Program: III. A Super-Earth orbiting HD 97658 and a Neptune-mass planet orbiting Gl 785
planetary systems stars individual techniques radial velocity
2010/11/9
We report the discovery of planets orbiting two bright, nearby early K dwarf stars, HD97658 and
Gl 785. These planets were detected by Keplerian modelling of radial velocities measured with Keck-HIRE...
Solar Flares and Coronal Mass Ejections: A Statistically Determined Flare Flux-CME Mass Correlation
Flares Coronal mass ejections
2010/11/9
In an effort to examine the relationship between flare flux and corresponding CME mass, we temporally and spatially correlate all X-ray flares and CMEs in the LASCO and GOES archives from 1996 to 2006...
Mass Transfer in Binary Stars using SPH. II. Eccentric Binaries
binaries close — stars evolution — hydrodynamics — methods numerical
2010/11/12
Despite numerous efforts to better understand binary star evolution, some aspects of it remain
poorly constrained. In particular, the evolution of eccentric binaries has remained elusive mainly becau...
The Relationship Between Molecular Gas and Star Formation in Low-Mass E/S0 Galaxies
Relationship Between Molecular Gas Star Formation
2010/11/11
We consider the relationship between molecular-gas and star-formation sur-face densities in 19 morphologically defined E/S0s with stellar mass . 4 × 1010M⊙, paying particular attention to those found ...
Does an Average White Dwarf Have Enough Mass to Prevent an Accretion Disk Tilt?
astrophysics accretion white dwarfs cataclysmic variables
2010/11/16
In a recent publication, we introduce the lift force as a common source to accretion disk
tilt that is likely relevant to accretion disk systems. Lift is generated by slightly different supersonic ga...
The Formation of Low-Mass Binary Star Systems Via Turbulent Fragmentation
Solar and Stellar Astrophysics (astro-ph.SR)
2011/1/7
We characterize the infall rate onto protostellar systems forming in self-gravitating radiation-hydrodynamic simulations. Using two dimensionless parameters to determine disks' susceptability to gravi...
On emission-line spectra obtained from evolutionary synthesis models II. Scale-relations and the estimation of mass dependences
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/5
Aims. In this paper we study the influence of the ionizing cluster mass on the emission line spectrum of Hii regions in order to determine the influence of low mass clusters on the integrated emission...
The Initial Mass Function and Young Brown Dwarf Candidates in NGC 2264. IV. The Initial Mass Function and Star Formation History
Solar and Stellar Astrophysics (astro-ph.SR)
2010/12/24
We have studied the star formation history and the initial mass function (IMF) using the age and mass derived from spectral energy distribution (SED) fitting and from color-magnitude diagrams. We also...
Propagation of an Earth-directed coronal mass ejection in three dimensions
Solar and Stellar Astrophysics (astro-ph.SR) Earth and Planetary Astrophysics (astro-ph.EP) Plasma Physics (physics.plasm-ph) Space Physics (physics.space-ph)
2010/12/23
Solar coronal mass ejections (CMEs) are the most significant drivers of adverse space weather at Earth, but the physics governing their propagation through the heliosphere is not well understood. Whil...
We present an introduction to mass and angular momentum in General Relativity. After briefly reviewing energy-momentum for matter fields, first in the flat Minkowski case (Special Relativity) and then...
A Comprehensive Analysis of Uncertainties Affecting the Stellar Mass - Halo Mass Relation for 0
dark matter galaxies abundances galaxies evolution galaxies stellar content methods N-body simulations
2010/3/8
We conduct a comprehensive analysis of the relationship between central galaxies and their host dark matter halos, as characterized by the stellar mass-halo mass (SM-HM) relation, with rigorous consid...