P. Lira

1. The universal power spectrum of Quasars in optical wavelengths: Break timescale scales directly with both black hole mass and accretion rate
   2023/06/19 by P. Arévalo, E. Churazov, Arevalo, P. +13 · 7 citations
   Engineering · Mathematics · Physics and Astronomy · #Mechanics and Biomechanics Studies #Statistics Education and Methodologies #Astrophysical Phenomena and Observations
2. Optical variability in Quasars: Scaling with black hole mass and Eddington ratio depend on the observed timescales
   2023/04/27 by P. Arévalo, P. Lira, Arévalo, Patricia +11 · 3 citations
   Mathematics · Physics and Astronomy · #Astrophysical Phenomena and Observations #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #Statistical and numerical algorithms #Statistics Education and Methodologies
3. Echo mapping of the black hole accretion flow in NGC 7469
   2025/06/07 by Raj Prince, J V Hernández Santisteban, Prince, Raj +43 · 3 citations
   Physics and Astronomy · #Astronomy and Astrophysical Research #Astrophysical Phenomena and Observations #Astrophysics and Cosmic Phenomena #Astrophysics of Galaxies (astro-ph.GA) #FOS: Physical sciences #High Energy Astrophysical Phenomena (astro-ph.HE)
4. VAR-PZnn: A machine-learning framework for AGN photometric redshifts using color and variability-based features
   2026/07/17 by S. Satheesh-Sheeba, P. Sánchez-Sáez, R. J. Assef +39
   #astro-ph.GA
5. The X-ray-Weak Tail of the Quasar Population: Physical Properties and Redshift Evolution of Variability-Selected AGN in eFEDS
   2026/07/30 by P. Arévalo, J. Buchner, M. Salvato +10
   Physics and Astronomy · #astro-ph.GA