18 citations · 58 across the 15 of their papers we have counts for
8 papers · 1 filter
Distortions in Periodicity Analysis of Blazars II: The Impact of Gaps
P. Peñil, N. Torres-Albà, A. Rico +4
Time series analysis is fundamental to characterizing the variability inherent in multi-wavelength emissions from blazars. However, a major observational challenge lies in the need…
Extensive Analysis of gamma-Ray Periodicity in Jetted AGN from the 4FGL Catalog Using Fermi-LAT Observations
P. Peñil, A. Domínguez, S. Buson +3
The quest to uncover periodic patterns within the -ray emissions of jetted active galactic nuclei (AGN) has recently emerged as a focal point in astrophysics. One of the primary…
The Alma catalogue of OB stars. III. A cross-match with Gaia DR3 and an extension based on new spectral classifications
M. Pantaleoni González, J. Maíz Apellániz, R. H. Barbá +4
We present the third installment of the Alma Luminous Star (ALS) catalogue, aimed at creating the most comprehensive and clean sample of Galactic massive stars. This update extends…
Transient QPOs of Fermi-LAT blazars under the Curved Jet Model
P. Penil, J. Otero-Santos, A. Banerjee +4
This study explores transient quasi-periodic oscillations (QPOs) in the -ray emission of two blazars, PMN J05314827 and PKS 1502+106, using over a decade of Fermi Large Area…
Transient QPOs of Fermi-LAT blazars with Linearly Multiplicative Oscillations
P. Penil, J. Otero-Santos, A. Circiello +5
We present a study on the detection and characterization of transient quasi-periodic oscillations (QPOs) in the -ray emission of blazars 4C +31.03, MG1 J123931+0443, and PKS 162…
Search for Kink Events in Variable Fermi-LAT Blazars
P. Peñil, H. Zhang, J. Otero-Santos +10
This study explores the detection of Quasi-Periodic Oscillations (QPOs) in blazars as a method to identify kink events within their jets, utilizing both -ray and polarized light…
Distortions in Periodicity Analysis of Blazars: The Impact of Flares
Pablo Peñil, Nuria Torres-Albà, Alba Rico +3
Blazars, a unique class of active galactic nuclei, exhibit highly variable emission across the electromagnetic spectrum. This variability frequently manifests as intense flaring ev…
Systematic Search for Long-Term Trends in Fermi-LAT Jetted Active Galactic Nuclei
P. Penil, A. Domínguez, S. Buson +3
Jetted Active Galactic Nuclei (AGN) exhibit variability across a wide range of time scales. Traditionally, this variability can often be modeled well as a stochastic process. Howev…