Period of Light Variability in BL Lac ON 231

Period of Light Variability in BL Lac ON 231

In this paper, the authors have compiled the data of about 100 years in B-band of the BL Lac ON 231 and used this database to analyze periodicity signals in the optical light curve. Two different methods were applied: the wavelet analysis and the Discrete Correlation Function (DCF) method. We reveal...

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Veröffentlicht in:Journal of astrophysics and astronomy 2011-06, Vol.32 (1-2), p.227-230
Hauptverfasser: Bing, Xu Yun, Jing, Zhang Hao, Xiong, Zhang, Ming, Mao Wei, Tong, Dong Fu
Format: Artikel
Sprache:eng
Schlagworte:
Astronomy
Astrophysics and Astroparticles
Data analysis
Observations and Techniques
Physics
Physics and Astronomy
Stars & galaxies
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Zusammenfassung:In this paper, the authors have compiled the data of about 100 years in B-band of the BL Lac ON 231 and used this database to analyze periodicity signals in the optical light curve. Two different methods were applied: the wavelet analysis and the Discrete Correlation Function (DCF) method. We revealed the existence of periods of 13.5 years in the source variability.
ISSN:0250-6335
0973-7758
DOI:10.1007/s12036-011-9031-6