搜索结果: 1-12 共查到“理学 low mass stars”相关记录12条 . 查询时间(0.077 秒)
SPITZER OBSERVATIONS OF THE λ ORIONIS CLUSTER. II. DISKS AROUND SOLAR-TYPE AND LOW-MASS STARS
solar-type the low-mass stellar population
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2014/12/22
We present IRAC/MIPS Spitzer Space Telescope observations of the solar-type and the low-mass stellar population of the young (~5 Myr) λ Orionis cluster. Combining optical and Two Micron All Sky Survey...
Low mass stars and the structure of the Pleiades cluster
Low quality The Pleiades cluster Micron Near infrared photometric method The observatory
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2014/12/9
This thesis presents a large scale search for new low mass members of the Pleiades cluster using near-infrared photometry from the Two Micron All Sky Survey and proper motions derived from digitized P...
The Factory and The Beehive I. Rotation Periods For Low-Mass Stars in Praesepe
Factory Beehiv Rotation Periods Low-Mass Stars Praesepe
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2011/10/12
Stellar rotation periods measured from single-age populations are critical for investigating how stellar angular momentum content evolves over time, how that evolution depends on mass, and how rotatio...
On the Detection of (Habitable) Super-Earths Around Low-Mass Stars Using Kepler and Transit Timing Variation Method
Planetary Systems
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2011/10/9
We present the results of an extensive study of the detectability of Earth-sized planets and super-Earths in the habitable zones of cool and low-mass stars using transit timing variation method. We ha...
Powerful Winds from Low-Mass Stars: V374 Peg
Powerful Winds Low-Mass Stars V374 Peg
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2011/1/10
The rapid rotation (P=0.44 d) of the M dwarf V374Peg (M4) along with its intense magnetic field point toward magneto-centrifugal acceleration of a coronal wind. In this work, we investigate the struct...
The Mass-Radius(-Rotation?) Relation for Low-Mass Stars
Mass-Radius Relation Low-Mass Stars
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2010/11/15
The fundamental properties of low-mass stars are not as well understood as those of their more
massive counterparts. The best method for constraining these properties, especially masses and radii,is ...
A New Method to Identify Nearby, Young, Low-mass Stars
Solar and Stellar Astrophysics (astro-ph.SR)
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2010/12/29
We describe a new method to identify young, late-type stars within ~150 pc of the Earth that employs visual or near-infrared data and the GALEX GR4/5 database. For spectral types later than K5, we dem...
The Effect of Screening Factors and Thermonuclear Reaction Rates in the Pre-main Sequence Evolution of Low Mass Stars
Low mass stars thermonuclear reaction rates electron screening factors composition changes
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2010/9/15
In understanding the nucleosynthesis of the elements in stars,one of the most important quantities is the reaction rate and it must be evaluated in terms of the stellar temperature T , and its determi...
Bown dwarf and very low mass stars search in orion ob1a and ob1b asociations
low mass stars orion ob1a ob1b asociations
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2009/6/25
Bown dwarf and very low mass stars search in orion ob1a and ob1b asociations。
Winds from Low Mass Stars:impact on the ISM
Winds Low Mass Stars
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2009/6/16
Winds from Low Mass Stars:impact on the ISM。
Gas Heating, Chemistry, and Infrared Spectra in Intermediate-Aged Disks Around Low Mass Stars
Intermediate-Aged Disks Infrared Spectra Low Mass Stars
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2009/6/16
Gas Heating, Chemistry, and Infrared Spectra in Intermediate-Aged Disks Around Low Mass Stars。
Low Mass Stars and Brown Dwarfs in Open Clusters
Low Mass Stars Brown Dwarfs Open Clusters
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2009/6/12
Low Mass Stars and Brown Dwarfs in Open Clusters。