220 citations · 904 across the 41 of their papers we have counts for
6 papers · 1 filter
Evidence of under-developed torus and broad-line region of weak emission line quasars based on their spectral energy distribution
Ritish Kumar, Hum Chand, Ravi Joshi
To unravel the dominant cause of the weak emission line in a subset of optically selected radio-quiet 'weak emission line quasars' (WLQs), we have investigated the possibility of a…
The X-shaped radio galaxy J0725+5835 is associated with an AGN pair
Xiaolong Yang, Jialu Ji, Ravi Joshi +6
X-shaped radio galaxies (XRGs) are those that exhibit two pairs of unaligned radio lobes (main radio lobes and "wings"), one of the promising models for the peculiar morphology is…
Probable low-frequency quasi-periodic oscillations in blazars from the ZTF survey
Anuvab Banerjee, Vibhore Negi, Ravi Joshi +6
We investigate the possible presence of quasi-periodic oscillation (QPO) signals in 2103 blazars from the Zwicky Transient Facility (ZTF) time-domain survey. We detect a low-freque…
Finding Quasars behind the Galactic Plane. II. Spectroscopic Identifications of 204 Quasars at
Yuming Fu, Xue-Bing Wu, Linhua Jiang +21
Quasars behind the Galactic plane (GPQs) are important astrometric references and valuable probes of Galactic gas, yet the search for GPQs is difficult due to severe extinction and…
The Twin Radio galaxy TRG J104454+354055
Gopal-Krishna, Ravi Joshi, Dusmanta Patra +4
We report observations of a bright dumb-bell system of galaxies () with the upgraded Giant Metrewave Radio Telescope (GMRT), which show that each member of this gravit…
Host Galaxies of Ultra Strong Mg II absorbers at z 0.5
Labanya Kumar Guha, Raghunathan Srianand, Rajeshwari Dutta +3
From a sample of 109 candidate Ultra-Strong Mg II (USMgII; having rest equivalent width of Mg II absorption, Angstrom) systems at z=0.4-0.6, we confirm 27 and identi…