[PDF] Top 20 Stellar evolution and the Standard Solar Model
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Stellar evolution and the Standard Solar Model
... of stellar models is able to predict with precision stellar radii the theoretical models should account for the solar luminosity and radius at the solar age, without tuning any free ...the ... See full document
13
Hydrogen balmer line broadening in solar and stellar flares
... cooling model loops as a “ multithread ” model improves the agreement with the ...are model of the YZ CMi Mega fl are using recent and new RHD ...The evolution of the broadening, line fl ux ... See full document
23
Asteroseismic Constraints on the Models of Hot B Subdwarfs: Convective Helium-Burning Cores
... stars, standard approaches of convective mixing in 1D stellar evolution models are called into ...of stellar ages. Three dimensional simulations of stellar convection show the natural ... See full document
10
Origin and Evolution of Life Constraints on the Solar Model
... the standard solar model predicts that at 3.8 Ga the solar luminosity should have been from 25% - 30% less than at present ...the standard solar model ... See full document
8
Variability of solar/stellar activity and magnetic field and its influence on planetary atmosphere evolution
... to stellar wind ...exosphere model which couples thermal and non-thermal processes, for studying hydrostatic and non-hydrostatic dy- namically expanding thermosphere-exosphere regions, in- cluding the ... See full document
21
Rotation and stellar evolution
... the evolution in the HR diagram of 3 M models computed with a solar chemical composition and a solar-calibrated mixing-length ...rotating model has an initial velocity on the ZAMS of 150 km s ... See full document
10
Acoustic oscillations in solar and stellar flaring loops
... Abstract. Evolution of a coronal loop in response to an impulsive energy release is numerically ...density evolution curves exhibit quasi-periodic perturbations with the periods given approximately by the ... See full document
5
Towards age/rotation/magnetic activity relation with seismology
... of stellar ages directly impacts the characterization of a plan- etary system as it puts strong constraints on the moment when the system was ...precise stellar ages is a very difficult ...its ... See full document
6
The EBLM Project V Physical properties of ten fully convective, very low mass stars
... Exeter/Lyon stellar evolution ...Dartmouth stellar evolution models (Dotter et ...the stellar model, to match the observational properties of very-low-mass stars (Chen et ... See full document
19
Acoustic oscillations in solar and stellar flaring loops
... Abstract. Evolution of a coronal loop in response to an impulsive energy release is numerically ...density evolution curves exhibit quasi-periodic perturbations with the periods given approximately by the ... See full document
5
Modelling quasi periodic pulsations in solar and stellar flares
... dispersive evolution of fast waves in an expanding magnetic field generated by an impulsive, spatially localised energy release with a field-aligned density ...the Solar Dynamics Observatory ... See full document
55
A teaching-learning module on stellar structure and evolution
... answers in the pre- and post-test for the three key ideas is reported in Table 3. In the pre- test, students found many difficulties in answering questions about nuclear reactions in stars: for instance, only 8% of the ... See full document
9
A seismic and gravitationally bound double star observed by Kepler: implication for the presence of a convective core
... to be properly compared such as in Schmitt & Basu (2015). In their stellar-age dating, Otí Floranes et al. (2005) and Miglio & Montalbán (2005) showed that the frequency di ff erence ra- tios where very ... See full document
19
Waves and Turbulences in Solar and Stellar Atmospheres and Winds
... Fig. 8 A snapshot result of the 2D simulation from the photosphere to the interplanetary region. The figure is adopted from [24]. (a) Normalized density fluctuation, (b) region that is magnified 5 times. The red squared ... See full document
7
Elliptical galaxies : structure, stellar content, and evolution
... fully independent of the optical photometry, while at the same time using a methodology for deriving global photometric parameters that is identical to method at optical wavelengths. An imaging survey of this kind and ... See full document
355
Quasi periodic pulsations in the most powerful solar flare of cycle 24
... X9.3 solar flare further strengthens the conclusion that QPP are a common feature of powerful energy ...though solar QPP periods can range from sub-second to over a minute, the shorter period observed here ... See full document
10
Post main sequence planetary system evolution
... Effects of radiation. Firstly, no study has yet self-consistently integrated the set of equations (6.1), (6.4), (6.5) and (6.6), or a similar set. Also, the applicability of the Yarkovsky geometry in equation (6.1) for ... See full document
66
Seismological insights into solar and stellar magnetic activity cycles
... obvious manifestations of solar activity on the solar sur- face is sunspots and the number of sunspots is known to track the solar cycle. Sunspot records extend back hun- dreds of years and records ... See full document
9
The Dark Energy Survey: more than dark energy – an overview
... the Solar system, the Milky Way, galaxy evolution, quasars and other ...cosmological model is assumed to be +cold dark matter, then important astrophysics can be deduced from the primary DES ... See full document
30
Two massive rocky planets transiting a K dwarf 6 5 parsecs away
... We performed a global MCMC analysis of the HARPS-N and Spitzer time-series to derive the strongest possible constraints on the parameters of the system. This global analysis consisted in five Markov chains of 100,000 ... See full document
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