3 papers
astro-ph.SR2025
From the light curves of Long Period Variables to their evolution along the AGB
Pham Thi Tuyet Nhung, Mai Nhat Tan, Do Thi Hoai +1
A sample of 116 Long Period Variables is studied with the aim to reveal relations between the properties of their light curves and of their evolution along the Asymptotic Giant Bra…
astro-ph.SR2024
Stellar evolution along the AGB as revealed by the shape of Miras' visual light curves
D. T. Hoai, P. T. Nhung, P. Darriulat +1
A new analysis of a sample of visual light curves of Mira variables is presented. The curves cover the past four decades and are selected from the AAVSO database as including a ver…
astro-ph.SR2024
Millimetre observations of the S-type AGB star Cygni: variability of the emission of the inner envelope
D. T. Hoai, J. M. Winters, P. T. Nhung +2
New observations are presented of millimetre line emissions of the circumstellar envelope (CSE) of AGB star Cygni using the recently upgraded NOEMA array. Cygni is an S-t…