Photometric Monitoring of Blazar 3C 66A with the Yunnan University Astronomical Observatory 1 m Telescope

被引：0
|
作者：
Zeng, Wei [1 ,2 ,3 ]
Wen, Tao [1 ,2 ,3 ]
Gong, Zhen-Lu [1 ,3 ]
Chen, Shi [1 ]
Wu, Fan [1 ]
Zhang, Hao-Yang [1 ]
Dai, Ben-Zhong [1 ,2 ,3 ]
机构：
[1] Yunnan Univ, Sch Phys & Astron, Kunming 650091, Peoples R China
[2] Key Lab Astroparticle Phys, Kunming 650091, Yunnan, Peoples R China
[3] Yunnan Univ, Astron Observ, Kunming 650500, Peoples R China
来源：
RESEARCH IN ASTRONOMY AND ASTROPHYSICS | 2023年 / 23卷 / 04期
关键词：
(galaxies: ) BL Lacertae objects: individual (3C 66A); galaxies: photometry; galaxies: active; OPTICAL INTRADAY VARIABILITY; ACTIVE GALACTIC NUCLEI; BL LACERTAE OBJECTS; S5 0716+714; MODEL; MICROVARIABILITY; CAMPAIGN; SYSTEM; FIELDS; STARS;
D O I：
10.1088/1674-4527/acc29a
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
66A is one of our first batches of photometric monitoring objects with the 1 m optical telescope at Yunnan University Astronomical Observatory. In the present work, the observational campaign was performed from 2021 November 1 to 2022 February 27 in the Johnson-Morgan system V and R bands. The average magnitudes in each band were V = 15.52. 0.18 mag and R = 15.07. 0.17 mag. The overall variability amplitudes were Delta V = 0(.)(m) 74, Amp = 70.27% and Delta R = 0 (m)(.)72, Amp = 68.56%, respectively. Most of the intraday variabilities (IDVs) occurred in 2021 December and 2022 February. The minimal rise/decay timescale was about 6 minutes (5.82 +/- 2.74 minutes and 6.18 +/- 2.81 minutes on 2022 February 11, 6.99 +/- 3.70 minutes and 6.17 +/- 2.91 minutes on 2022 February 12). Durations of these rapid variabilities were from 11.99 to 179.67 minutes. The discrete correlation function analyses between V and R bands showed significantly correlated variability. Color index analysis of IDVs showed that the spectrums do not change with variabilities.
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页数：16
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