main-sequence stars
Submillimeter lines from circumstellar disks around pre-main sequence stars
... words. stars: circumstellar matter – stars: pre-main sequence – stars: planetary systems: protoplanetary disks – accretion, accretion ...
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Magnetic fields and X ray emission in pre main sequence stars
... The final case of taking into account the finite resolution limitation on observational re- constructions of surface magnetic fields has a simplifying effect on the extrapolated field. This suggests that the resolution ...
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Main sequence stars masquerading as young stellar objects in the central molecular zone
... as main-sequence ...of main-sequence stars in a constant ambient medium which show that the main-sequence objects can indeed mimic YSOs at 24 ...the ...
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Main-sequence stars masquerading as Young Stellar Objects in the central molecular zone
... as main-sequence ...of main-sequence stars in a constant ambient medium which show that the main-sequence objects can indeed mimic YSOs at 24 ...the ...
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The Simple Linier Modeling of Habitable Zone for the Main Sequence Stars
... the main phase than the Sun (Shiga, 2014), allowing a longer time to life to form on the planet that surrounds the main sequence stars in the spectral class K (Vieru, ...orbiting stars ...
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On chromospheric variations modeling for main sequence stars of G and K spectral classes
... 91 stars on or near the lower main se- quence over 12 ...new stars were added to 91 Wilson’s stars to bring the total in the monitoring ...
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On the origin of the correlations between the accretion luminosity and emission line luminosities in pre-main-sequence stars
... Figure 1. L acc –L ∗ correlation for sub-stellar objects and TTs in different star-forming regions (crosses; with vertical bars for upper limits; Natta et al. 2006; Herczeg & Hillenbrand 2008, and references ...
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The Keele-Exeter young cluster survey - I. Low-mass pre-main-sequence stars in NGC 2169
... over a small age range are nearly parallel and a 0.04 mag disper- sion is equivalent to only ± 1.2 Myr when translated into a shift in age (independent of which models are chosen). As young stars are known to be ...
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Massive main-sequence stars evolving at the Eddington limit
... evolutionary sequence, the stellar radius is increased over that of models without turbulent pressure by at most a few per cent at any time during its main- sequence ...
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The Problem of the Existence of Planetary Systems Similar to the Solar System
... identifying stars which possess planetary systems similar to the Solar System all the binary and multiple systems, must be discarded from the set of Main-Sequence stars, only focusing the ...
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Review article Onbig Bangnucleosynthesis and formation of elements in stars
... Thus in this process, 4 protons fuse to form one He-4 nucleus but energy release is more than that in the proton-proton chain, so larger main sequence stars are brighter than smaller ones. ii) ...
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The blue supergiant MN18 and its bipolar circumstellar nebula
... the main sequence, while in the case of a star undergoing a blue loop evolution the CNO abundances predicted by the models differ significantly from those of ...the main-sequence phase and ...
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Fake plunges are very eccentric real EMRIs in disguise - …they dominate the rates and are blissfully ignorant of angular momentum barriers
... compact stars. Whilst main-sequence stars are tidally disrupted when approaching the central MBH, compact objects (stellar black holes, neutron stars, and white dwarfs) slowly spiral ...
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Optical, infrared and millimetre-wave properties of Vega-like systems - III. Models with thermally spiking grains
... Vega-like stars are main-sequence stars that exhibit excess IR emission due to circumstellar dust grains which are probably distributed in discs. We have recently published a[r] ...
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What CoRoT tells us about δ Scuti stars - Existence of a regular pattern and seismic indices to characterize stars
... To conclude with this point, it seems important to stress that the spectra considered in this study obviously show numerous peaks outside of the common quasiregu- lar pattern revealed by figure 6 or figure 7. On the ...
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8-12-2013 12:00 AM The atmospheric chemistry of magnetic Bp stars
... lower main sequence (roughly mid to late 3 F stars and later), the deep convective cells keep the stellar surface well mixed and roughly homogeneous, resulting in little measurable star-to-star ...
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Kepler-432: a red giant interacting with one of its two long-period giant planets
... giant stars, they cool and spin down, making them ideal targets for precise radial velocity work ( see, ...intermediate-mass stars are substantially different from those around their low-mass ...mass ...
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"We Are Not Hired Help:" The 1968 Statewide Florida Teacher Strike, the Rise of Modern Conservatism, and the Potency of Teacher Power
... presumed main sequence stars (red circles) and ensembles of known cool subdwarfs (yellow diamonds) and known young stars (blue ...for stars warmer and cooler than V − K = 7 ( ∼ 2800 K) ...
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The hot core-ultracompact H II connection in G10.47+0.03
... Sources IV and V lie within the region of reddened main- sequence stars. To determine their spectral types and luminos- ity classes we adopt the following method: I) by shifting these sources back on ...
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1-10 Myr-old Low Mass Stars and Brown Dwarfs in Nearby Star Forming Regions
... pre-main sequence stars may cause differences in the evolution of accretion, disk composition and grain ...mass stars to form planetary ...200 stars ranging from ∼ 20 to ...of ...
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