Y. L. Ai
Articles written in Journal of Astrophysics and Astronomy
Volume 32 Issue 1-2 March 2011 pp 87-90 Part 2. Blazar Observations in Infrared and Optical
The optical variability of 29 flat spectrum radio quasars in SDSS Stripe 82 region are investigated by using DR7 released multi-epoch data. All FSRQs show variations with overall amplitude ranging from 0.24 mag to 3.46 mag in different sources. About half of FSRQs show a bluer-when-brighter trend, which is commonly observed for blazars. However, only one source shows a redder-when-brighter trend, which implies it is rare in FSRQs. In this source, the thermal emission may be responsible for the spectral behaviour.
Volume 41, 2020
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