the sequence of changes that occurs in a star as it ages
Examples of 'stellar evolution' in a sentence
stellar evolution
Hence, they contribute directly to the stellar energy losses, thus modifying stellar evolution.
Redondo J., Raffelt G.G., Viaux N., Catelan M., Valcarce A.A.R. 2013, 'The galactic globular cluster M5 (NGC 5904) as a particle physics laboratory', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20134302004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Here, we present the modified code and initial results on stellar evolution using it.
Mosumgaard Jakob Rørsted, Silva Aguirre Víctor, Weiss Achim, Christensen-DalsgaardJørgen, Trampedach Regner 2017, 'Improving 1D Stellar Models with 3D Atmospheres', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201716003009. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Also, they result in finding new phases of stellar evolution, which require theoretical explanation.
Miroshnichenko Anatoly S., Danford Steven, Zharikov Sergei V., Manset Nadine, LevatoHugo, Grosso Monica, Korčáková Daniela, Kusakin Anatoly V., Khokhlov Serik A., PrendergastPeter 2017, 'Long-Term Spectroscopic Monitoring and Surveys of Early-Type Stars with and withoutCircumstellar Envelopes', Open Astronomyhttp://www.degruyter.com/view/j/astro.2017.26.issue-1/astro-2017-0027/astro-2017-0027.xml?format=INT. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Clusters are excellent test benches for verification and improvement of stellar evolution theory.
Lagarde, N, Miglio, A., Eggenberger, P., Montalbán, J, Bossini, D 2015, 'Constraining angular momentum transport processes in stellar interiors with red-giantstars in the open cluster NGC6819', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510106042. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Stellar evolution codes play a major role in present-day astrophysics, yet they share common issues.
Mosumgaard Jakob Rørsted, Silva Aguirre Víctor, Weiss Achim, Christensen-DalsgaardJørgen, Trampedach Regner 2017, 'Improving 1D Stellar Models with 3D Atmospheres', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201716003009. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
They are also key objects for testing the predictions of stellar evolution and stellar pulsation theory.
Pilecki Bogumił, Gieren Wolfgang, Pietrzyński Grzegorz, Smolec Radosław 2017, 'Araucaria Project: Pulsating stars in binary systems and as distance indicators',EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201715207007. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We confirm their potential to explore the rotation history of this early phase of stellar evolution.
Salmon S. J. A. J., Ouazzani R.-M., Antoci V., Bedding T. R., Murphy S. J. 2017, 'The γ Dor stars as revealed by Kepler: A key to reveal deep-layer rotation in A andF stars', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201715205002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
When compared with stellar model predictions, these inferences can significantly improve our understanding of stellar evolution.
Cassisi Santi 2017, 'Modelling of Red Giant Stars: The state-of-the-art', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201716004002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We also unveil a clear dependence with mass and stellar evolution for the radial mode width.
Vrard Mathieu, Mosser Benoît, Barban Caroline 2017, 'Radial mode widths in red giant stars spectra observed by Kepler', EPJ Web of Conferenceshttps://doi.org/10.1051/epjconf/201716004012. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These empirical mass distributions, although based on small-number statistics, can be compared with the expectations of stellar evolution theory.
Green E.M., Brassard P., Charpinet S., Fontaine G., Van Grootel V. 2013, 'The empirical mass distribution of hot B subdwarfs: Implications for stellar evolutiontheory', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20134304007. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)