The slowly variable star FY Lacertae
Alice Fucci (1), Fabio Maldarella (1), Davide Pace (1), Vittorio, Augusto Zasa Courtial (1), Carlo Benna (2), Daniele Gardiol (2), Giuseppe, Pettiti (2) ((1) Curie StemLab group, IIS Curie Vittorini, Grugliasco (TO),, Italy, (2) Istituto Nazionale di Astrofisica
TL;DR
This study analyzes the long-term variability of the red M5 III giant star FY Lacertae using photometric data, revealing a preliminary period of approximately 274 days and characterizing its temperature and variability features.
Contribution
The paper provides new photometric analysis and period estimation for FY Lacertae, contributing to the understanding of its variability characteristics.
Findings
Long-term variability period of about 274 days
Star classified as M5 III giant with a temperature of 3420 K
Photometric data from Loiano and AAVSO used
Abstract
Photometric observations and analysis of FY Lac were performed in order to determine the variability characteristics, using measurements taken at Loiano site of Bologna Astronomical Observatory and AAVSO data. The star shows a Long Term variability with a preliminary period of about 274 +/- 28 days and photometric characteristics compatible with a red M5 III giant star, with a temperature of 3420 K degrees.
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Taxonomy
TopicsSolar and Space Plasma Dynamics · Astrophysics and Cosmic Phenomena · Gamma-ray bursts and supernovae