Browsing by Subject "Galaxies: active"

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Discovery of A red quasar with recurrent activity

Nandi, S., et al.; Singh, M.; Joshi, R. (The American Astronomical Society, 2014-06-10)

We report a new double–double radio quasar (DDRQ) J0746+4526 which exhibits two cycles of episodic activity. From radio continuum observations at 607 MHz using the Giant Metrewave Radio Telescope and 1400 MHz from the ...
Multiband optical variability of a newly discovered 12 blazars sample from 2013 – 2019

Jovanovic, Miljana D.; Damljanovic, Goran; Taris, Francois; Gupta, Alok C.; Bhatta, Gopal (Monthly Notices of the Royal Astronomical Society, 2023-06)

Here we present the first optical photometric monitoring results of a sample of 12 newly discovered blazars from the ICRF – Gaia CRF astrometric link. The observations were performed from April 2013 to August 2019 using ...

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