Results 11 to 20 of about 3,286 (161)
The Power of Asteroseismology for Early Stellar Evolution [PDF]
Frontiers in Astronomy and Space Sciences, 2019 Stars are the building blocks of planetary systems, clusters, associations, and galaxies. The evolution of stars is driven by physical processes in their interiors making theory of stellar interior structure and evolution an important ingredient of ...
Konstanze Zwintz
doaj +6 more sources
The Variation of Circumstellar Parameters through Early Stellar Evolution
The Astrophysical JournalWe report on the evolution of extinction, mass accretion rate, and spectral index from analysis of SpeX observations and AllWISE spectral energy distributions, compared to stellar parameters (mass, age, and veiling) derived from analysis of previously ...
Michael Connelley +2 more
doaj +3 more sources
A Search for Stellar Siblings of the ∼200 Myr TOI-251 b Planetary System
The Astrophysical Journal, 2023 Young planets (
Qinghui Sun +6 more
doaj +1 more source
EARLY HYDRODYNAMIC EVOLUTION OF A STELLAR COLLISION [PDF]
The Astrophysical Journal, 2014 7 pages, 5 figures (without appendices).
Kushnir, Doron, Katz, Boaz
openaire +2 more sources
Stellar Evolution in the Early Universe [PDF]
Proceedings of the International Astronomical Union, 2008 AbstractMassive stars played a key role in the early evolution of the Universe. They formed with the first halos and started the re-ionisation. It is therefore very important to understand their evolution. In this paper, we describe the strong impact of rotation induced mixing and mass loss at very low metallicity (Z).
Hirschi, R. +7 more
openaire +2 more sources
An observational approach to the early stages of stellar evolution [PDF]
Astrophysics and Space Science, 1981 During last three decades an observational approach was being applied at the Byurakan Astrophysical Observatory to the problems of the evolution of astronomical bodies and systems. In contradiction to the views developed by many theoreticians who postulate as an initial state of each body or system a gaseous nebula of some kind and suppose that the ...
V. A. Ambartsumian, L. V. Mirzoyan
openaire +1 more source
The Astronomical Journal, 2023 We use TESS full-frame imaging data to investigate the angular momentum evolution of young stars in the Orion Complex. We confirm recent findings that stars with rotation periods faster than 2 days are overwhelmingly binaries, with typical separations of
Marina Kounkel +5 more
doaj +1 more source
Multiplicity in Early Stellar Evolution [PDF]
, 2014 Accepted for publication as a chapter in Protostars and Planets VI, University of Arizona Press (2014), eds. H. Beuther, R. Klessen, C.
Reipurth, Bo +7 more
openaire +2 more sources
3D Radiation-hydrodynamic Simulations Resolving Interior of Rapidly Accreting Primordial Protostar
The Astrophysical Journal, 2023 Direct collapse of supermassive stars is a possible pathway to form supermassive black hole seeds at high redshifts. Whereas previous three-dimensional (3D) simulations demonstrate that supermassive stars form via rapid mass accretion, those resolving ...
Kazutaka Kimura +3 more
doaj +1 more source
The Astrophysical Journal, 2023 We present precise photometric estimates of stellar parameters, including effective temperature, metallicity, luminosity classification, distance, and stellar age, for nearly 26 million stars using the methodology developed in the first paper of this ...
Yang Huang +20 more
doaj +1 more source