61 citations · 69 across the 3 of their papers we have counts for
3 papers
astro-ph.GA2023★ 3 cited
The most luminous blue quasars at 3.0<z<3.3 -- III. LBT spectra and accretion parameters
Bartolomeo Trefoloni, Elisabeta Lusso, Emanuele Nardini +13
We present the analysis of the rest frame ultraviolet and optical spectra of 30 bright blue quasars at , selected to examine the suitability of AGN as cosmological probes.…
astro-ph.CO2023★ 5 cited
Quasars as high-redshift standard candles
Guido Risaliti, Elisabeta Lusso, Emanuele Nardini +5
In the past few years, we built a Hubble diagram of quasars up to redshift z7, based on the nonlinear relation between quasars' x-ray and UV luminosities. Such a Hubble diagr…
astro-ph.CO2023★ 61 cited
Gamma-Ray Bursts, Quasars, Baryonic Acoustic Oscillations, and Supernovae Ia: new statistical insights and cosmological constraints
G. Bargiacchi, M. G. Dainotti, S. Nagataki +1
The recent Hubble constant, , tension is observed between the value of from the Cosmic Microwave Background (CMB) and Type Ia Supernovae (SNe Ia). It i…