Em resumo
Deriva idades de quase 250.000 estrelas do GALAH DR3 via XGBoost usando apenas metalicidade e abundâncias (precisão 1-2 Gyr).
Hayden, Michael R. (2022)
Síntese
Deriva idades de quase 250.000 estrelas do GALAH DR3 via XGBoost usando apenas metalicidade e abundâncias (precisão 1-2 Gyr). Relevante: a idade é variável-chave no GAM do Dantas2025 para inferir o raio de nascimento.
Citação
@ARTICLE{Hayden2022,
author = {{Hayden}, Michael R. and {Sharma}, Sanjib and {Bland-Hawthorn}, Joss and {Spina}, Lorenzo and {Buder}, Sven and {Ciuc{\u{a}}}, Ioana and {Asplund}, Martin and {Casey}, Andrew R. and {De Silva}, Gayandhi M. and {D'Orazi}, Valentina and {Freeman}, Ken C. and {Kos}, Janez and {Lewis}, Geraint F. and {Lin}, Jane and {Lind}, Karin and {Martell}, Sarah L. and {Schlesinger}, Katharine J. and {Simpson}, Jeffrey D. and {Zucker}, Daniel B. and {Zwitter}, Toma{\v{z}} and {Chen}, Boquan and {{\v{C}}otar}, Klemen and {Feuillet}, Diane and {Horner}, Jonti and {Joyce}, Meridith and {Nordlander}, Thomas and {Stello}, Dennis and {Tepper-Garcia}, Thor and {Ting}, Yuan-sen and {Wang}, Purmortal and {Wittenmyer}, Rob and {Wyse}, Rosemary},
title = "{The GALAH survey: chemical clocks}",
journal = {\mnras},
keywords = {Galaxy: abundances, Galaxy: kinematics and dynamics, Galaxy: stellar content, Galaxy: structure, Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics},
year = 2022,
month = dec,
volume = {517},
number = {4},
pages = {5325-5339},
doi = {10.1093/mnras/stac2787},
archivePrefix = {arXiv},
eprint = {2011.13745},
primaryClass = {astro-ph.GA},
adsurl = {https://ui.adsabs.harvard.edu/abs/2022MNRAS.517.5325H},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}