Optical observations of BL lacertae in 2004-2005
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Zhang, You-Hong; Bian, Fuyan; Li, Jun-Zheng; Shang, Ren-Cheng
Description
We present optical observations of BL Lacertae (BL Lac) in the standard BVRI bands with the 80 cm Tsinghua Centre for Astrophysics-National Astronomical Observatories of China telescope. In 2004, BL Lac was monitored for 25 nights, between September and November, to study its long-term optical variability behaviour. The source initially faded by δR ~ 1 mag in ~30 d and then brightened by δR ~ 0.8 mag in ~20 d. It was further monitoredfor six consecutive nights on 2005 September 3-8, focusing on...[Show more]
Collections | ANU Research Publications |
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Date published: | 2013 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/71296 |
Source: | Monthly Notices of the Royal Astronomical Society |
DOI: | 10.1093/mnras/stt534 |
Access Rights: | Open Access |
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01_Zhang_Optical_observations_of_BL_2013.pdf | 754.02 kB | Adobe PDF |
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