2017/11/16 by Giovanni M. Mirouh, Daniel R. Reese, Mirouh, Giovanni M. +5
Physics and Astronomy · #Adiabatic process #Artificial intelligence #Asteroseismology #Astronomy #Astronomy and Astrophysical Research #Astrophysics #Code (set theory) #Computer science #FOS: Physical sciences #Identification (biology) #Mode (computer interface) #Oscillation (cell signaling) #Physics #Pulsars and Gravitational Waves Research #Quantum mechanics #Rotation (mathematics) #Solar and Stellar Astrophysics (astro-ph.SR) #Spectral line #Star (game theory) #Stars #Stellar, planetary, and galactic studies #astro-ph.SR
paper · pdf · doi:10.48550/arxiv.1711.06053
published in arXiv (Cornell University) (Cornell University) · 4 pages, 3 figures. SF2A 2017 proceedings
arxiv created 2017/11/16 · arxiv updated 2017/11/17
Early-type stars generally tend to be fast rotators. In these stars, mode\nidentification is very challenging as the effects of rotation are not well\nknown. We consider here the example of \α Ophiuchi, for which dozens of\noscillation frequencies have been measured. We model the star using the\ntwo-dimensional structure code ESTER, and we compute both adiabatic and\nnon-adiabatic oscillations using the TOP code. Both calculations yield very\ncomplex spectra, and we used various diagnostic tools to try and identify the\nobserved pulsations. While we have not reached a satisfactory mode-to-mode\nidentification, this paper presents promising early results.\n