Nature of light variations in the symbiotic binary V417 Cen
M. Gromadzki, J. Mikolajewska, B. Pilecki, P. Whitelock, M. Feast
TL;DR
This study analyzes 20 years of optical data of the symbiotic binary V417 Cen, revealing long-term and short-term light variations and exploring their possible causes.
Contribution
It provides a detailed characterization of light variations in V417 Cen and discusses potential mechanisms behind these changes.
Findings
Long-term modulation period of about 1700 days
Amplitude of about 1.5 magnitudes in V band
Presence of shorter, lower amplitude variations
Abstract
V417 Cen is a D'-type symbiotic system surrounded by a faint, extended asymmetric nebula. Optical photometric observations of this object cover last 20 years. They show strong long term modulation with a period of about 1700 days and amplitude about 1.5 mag in V band, in addition to variations with shorter times-scales and much lower amplitudes. In this presentation we discuss possible reasons of these variations.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astro and Planetary Science · Astrophysics and Star Formation Studies