6 citations · 6 across the 3 of their papers we have counts for
3 papers
TESS Observations of Seven Newly Identified High-amplitude Scuti Stars
Chenglong Lv, Ali Esamdin, Amir Hasanzadeh +3
We report seven newly identified high-amplitude Scuti (HADS) stars. Among them, two stars (TIC 30977864 and TIC 387379145) exhibit pure radial pulsation without the excitation…
Spatio-temporal analysis of helioseismic quasi-biennial oscillations
Amir Hasanzadeh, Anne-Marie Broomhall, Dmitrii Kolotkov +1
Quasi-biennial oscillations (QBOs) are shorter-term periodic signals that occur alongside the dominant 11-year solar cycle. In this study, we examine the spatial and temporal evolu…
Effects of the photospheric cut-off on the p-mode frequency stability
Dmitrii Y. Kolotkov, Anne-Marie Broomhall, Amir Hasanzadeh
Sub-photospheric acoustic resonators allow for the formation of standing p-mode oscillations by reflecting acoustic waves with frequencies below the acoustic cut-off frequency. We…