papers
Publications (15)
astro-ph.CO2015
An exposition on Friedmann Cosmology with Negative Energy Densities
Robert J. Nemiroff, Ravi Joshi, Bijunath R. Patla
astro-ph.CO2013
Incidence of Strong MgII Absorbers Towards Different Types of Quasars
Ravi Joshi, Hum Chand, Gopal-Krishna
astro-ph.GA2018
Average [O II] nebular emission associated with Mg II absorbers: Dependence on Fe II absorption
Ravi Joshi, Raghunathan Srianand, Patrick Petitjean +1
astro-ph.GA2018
The Large Sky Area Multi-Object Fiber Spectroscopic Telescope (LAMOST) Quasar Survey: the 4th and 5th Data Release
Su Yao, Xue-Bing Wu, Y. L. Ai +15
astro-ph.CO2013
Dependence of Residual Rotation Measure (RRM) on Intervening MgII Absorbers at Cosmic Distances
Ravi Joshi, Hum Chand
astro-ph.GA2014
C IV absorption line variability in X-ray bright BALQSOs
Ravi Joshi, Hum Chand, Raghunathan Srianand +1
astro-ph.GA2017
Discovery of a new, 2.2 Mpc Giant Radio Galaxy at a redshift of 0.57
Biny Sebastian, C. H. Ishwara-Chandra, Ravi Joshi +1
astro-ph.GA2018
Discovery of 21 New Changing-look AGNs in Northern Sky
Qian Yang, Xue-Bing Wu, Xiaohui Fan +12
astro-ph.HE2012
Intranight optical variability of radio-loud broad absorption line quasars
Ravi Joshi, Hum Chand
astro-ph.CO2011
Probing spectral properties of radio-quiet quasars searched for optical microvariability-II
Ravi Joshi, Hum Chand, Paul J. Wiita +2
astro-ph.GA2017
[O II] nebular emission from Mg II absorbers: Star formation associated with the absorbing gas
Ravi Joshi, Raghunathan Srianand, Patrick Petitjean +1
astro-ph.GA2016
The Ly$α$ emission from high-$z$ galaxies hosting strong Damped Ly$α$ systems
Ravi Joshi, Raghunathan Srianand, Pasquier Noterdaeme +1
astro-ph.CO2010
Optical microvariability properties of BALQSOs
Ravi Joshi, Hum Chand, Alok C. Gupta +1
astro-ph.GA2018
Deceleration of CIV and SiIV broad absorption lines in X-ray bright quasar SDSS-J092345+512710
Ravi Joshi, Raghunathan Srianand, Hum Chand +4
astro-ph.GA2017
HI 21-cm absorption from $z\sim0.35$ strong MgII absorbers
Rajeshwari Dutta, Raghunathan Srianand, Neeraj Gupta +1