搜索结果: 1-15 共查到“恒星与银河系 properties”相关记录15条 . 查询时间(0.303 秒)
IDENTIFICATION OF A COMPLETE 160 μm FLUX-LIMITED SAMPLE OF INFRARED GALAXIES IN THE ISO LOCKMAN HOLE 1 deg2 DEEP FIELDS: SOURCE PROPERTIES AND EVIDENCE FOR STRONG EVOLUTION IN THE FIR LUMINOSITY FUNCTION FOR ULIRGs
starburst-active galactic nucleus (AGN) composite AGN spectral types
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2014/12/20
We have identified a complete, flux-limited (S 160>120 mJy) sample of 160 μm selected sources from Spitzer observations of the 1 deg2 Infrared Space Observatory (ISO) Deep Field region in the Lockman ...
The Gas Properties of the W3 GMC: A HARP study
ISM Westerhout 3 submillimetre HARP study Gas Properties
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2012/2/23
We present 12CO, 13CO and C18O J=3-2 maps of the W3 GMC made at the James Clerk Maxwell Telescope. We combine these observations with Five Colleges Radio Astronomy Observatory CO J=1-0 data to produce...
Stellar lifetime and ultraviolet properties of the old metal-rich Galactic open cluster NGC6791: a pathway to understand the UV upturn of elliptical galaxies
Stellar lifetime ultraviolet properties old metal-rich Galactic cluster NGC6791 UV upturn elliptical galaxies
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2012/2/23
The evolutionary properties of the old metal-rich Galactic open cluster NGC6791 are assessed, based on deep UB photometry and 2Mass JK data. For 4739 stars in the cluster, bolometric luminosity and ef...
The properties and polarization of the H2O and CH3OH maser environment of NGC7538-IRS1
Stars: formation - masers: water, methanol - polarization - magnetic fi elds - ISM: individual: NGC7538
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2011/10/17
NGC7538 is a complex massive star-forming region. The region is composed of several radio continuum sources, one of which is IRS1, a high-mass protostar, from which a 0.3 pc molecular bipolar outflow ...
Dust driven mass loss from carbon stars as function of stellar parameters - II. Effects of grain size on wind properties
AGB and post-AGB – Stars: atmospheres – Stars: carbon – Stars: circumstellar matter – Stars: evolution – Stars: mass loss –2 Hydrodynamics – Radiative transfer
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2011/9/30
In this paper we explore grain size effects on wind properties of carbon stars, using a generalized description of radiative cross sections valid for particles of arbitrary sizes. The purpose of the s...
Clustered Star Formation in Magnetic Clouds: Properties of Dense Cores Formed in Outflow-Driven Turbulence
Magnetic Clouds: Properties Dense Cores Formed Outflow-Driven Turbulence
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2011/10/11
We investigate the physical properties of dense cores formed in turbulent, magnetized, parsec-scale clumps of molecular clouds, using three-dimensional numerical simulations that include protostellar ...
The high-velocity cloud complex Galactic Center Negative as seen by EBHIS and GASS. I. Cloud catalog and global properties
ISM: clouds – Galaxy: halo
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2011/10/10
Using Milky Way data of the new Effelsberg-Bonn HI Survey (EBHIS) and the Galactic All-Sky Survey (GASS), we present a revised picture of the high-velocity cloud (HVC) complex Galactic Center Negative...
Probing the Microscopic with the Macroscopic: from Properties of Star Cluster Systems to Properties of Cluster-Forming Regions
Macroscopic: Properties Cluster Systems Cluster-Forming Regions
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2011/10/11
To understand how systems of star clusters have reached their presently observed properties constitutes a powerful probe into the physics of cluster formation, without needing to resort to high spatia...
The Physical Properties of the Cosmic Acceleration
Cosmology dark matter dark energy
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2010/3/19
The observed late-time acceleration of the cosmic expansion constitutes a fundamental problem in modern theoretical physics and cosmology. In an attempt to weight the validity of a large number of dar...
Hii regions in ngc 5055. ii. physical properties
Hii regions ngc 5055 physical properties
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2009/7/10
Hii regions in ngc 5055. ii. physical properties。
Planets in multiple-star systems：properties and Detections
multiple-star systems properties Detections
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2009/6/17
Planets in multiple-star systems：properties and Detections。
Properties of Galactic and MC CSPN disclosed by Far-Ultraviolet Spectroscopy
Far-Ultraviolet Spectroscopy Galactic
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2009/6/15
Properties of Galactic and MC CSPN disclosed by Far-Ultraviolet Spectroscopy。
Spectral Properties of the X-ray Binary Pulsar LMC X-4 during Different Intensity States
LMC X-4—stars neutron—X-rays
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2009/5/19
We present spectral variations of the binary X-ray pulsar
LMC X-4 observed with the RXTE/PCA during different phases of its 30.5
day long third period. Only out-of-eclipse data were used for this st...
OBSERVATIONAL CATALOGUES OF DOUBLE STAR POSITIONS (1980-1987) AND THEIR PROPERTIES
DOUBLE STAR POSITIONS OBSERVATIONAL CATALOGUES
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2009/4/23
OBSERVATIONAL CATALOGUES OF DOUBLE STAR POSITIONS (1980-1987) AND THEIR PROPERTIES。
ELECTRIC PROPERTIES OF THERMOSPHERE-PLASMASPHERE SYSTEM ESTIMATED FROM GROUND-BASED DATA
ELECTRIC PROPERTIES GROUND-BASED DATA THERMOSPHERE-PLASMASPHERE SYSTEM
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2009/4/8
The current density in the dynamo region is estimated from thermospheric
neutral wind pattern and plasmaspheric electric field. The diurnal variation
of the meridional and the zonal component of the...