2001/11/14 by M. D. Reed, Reed, M. D., Whole Earth Telescope Xcov 17 team +3
Physics and Astronomy · #Adaptive optics and wavefront sensing #Astronomy and Astrophysical Research #Astrophysics (astro-ph) #FOS: Physical sciences #Stellar, planetary, and galactic studies #astro-ph
paper · pdf · doi:10.48550/arxiv.astro-ph/0111256
To appear in IAU 185 proceedings: "Radial and Nonradial Pulsations as Probes of Stellar Physics."
arxiv created 2001/11/14 · openalex publication_date 2001/11/14 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We present a preliminary analysis of time series photometry on the pulsating subdwarf B star PG1336-018 acquired as part of two Whole Earth Telescope runs. PG1336-018 is a multi-mode pulsator with at least 15 periods centered around 175 seconds. It is also an HW~Vir-type eclipsing binary with a period of 2.4 hours. Though over 20 pulsating subdwarf B stars have been discovered, only a few have resolved temporal spectra and still fewer have identified pulsation modes. We analyze features unique to the eclipsing binary system of PG1336-018 as a means of identifying pulsation modes.