Magnetic activity of several low-mass eclipsing binary
Liyun Zhang, Zhongmu Li, Qifeng Pi, and Zhongzhong Zhu
TL;DR
This study presents photometric and spectroscopic observations of several low-mass eclipsing binaries, revealing stellar activity, starspot evolution, and flare events, contributing to understanding magnetic activity in such systems.
Contribution
It provides new observational data and preliminary orbital solutions for multiple low-mass eclipsing binaries, including starspot analysis and activity indicators.
Findings
Detection of a flare event on NSVS07453183
Identification of chromospheric activity in NSVS10653195 and NSVS06550671
Analysis of starspot evolution over time
Abstract
We present our new photometric and spectroscopic observations of NSVS 02500276, NSVS 07453183, NSVS 11868841, NSVS 06550671 and NSVS 10653195. The first flare-like event was detected on NSVS07453183. Using the Wilson-Devinney program, the preliminary orbital solutions and starspot parameters are derived. The chromospheric activity indicators show NSVS10653195 and NSVS06550671 are active. Then, we discuss the starspot evolution on the short and long term scale. In the end, we give our future plan.
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Taxonomy
TopicsStellar, planetary, and galactic studies · Astro and Planetary Science · Astrophysical Phenomena and Observations