Search Results - "Pizzetti, Andrealuna"

A Simple Method for Predicting N H Variability in Active Galactic Nuclei by Cox, Isaiah S., Torres-Albà, Núria, Marchesi, Stefano, Zhao, Xiurui, Ajello, Marco, Pizzetti, Andrealuna, Silver, Ross

“…The unified model of active galactic nuclei (AGNs) includes a geometrically thick obscuring medium to explain the differences between type I and type II AGNs…”
Get full text

An X-Ray Significantly Variable, Luminous, Type 2 Quasar at z = 2.99 with a Massive Host Galaxy by Zhao, Xiurui, Marchesi, Stefano, Ajello, Marco, Civano, Francesca, Gilli, Roberto, Lanzuisi, Giorgio, López, Iván E., Boorman, Peter G., Silver, Ross, Torres-Albà, Nuria, Pizzetti, Andrealuna

“…We present a comprehensive X-ray analysis and spectral energy distribution (SED) fitting of WISEA J171419.96+602724.6, an extremely luminous type 2 quasar at z…”
Get full text

To the Torus and Beyond: An X-Ray Study of AGN Tori Morphology by Pizzetti, Andrealuna

“…Active Galactic Nuclei (AGN) are among the Universe’s most energetic and powerful objects, fueled by an accreting supermassive black hole (SMBH) at the host…”
Get full text

A Simple Method for Predicting NH Variability in Active Galactic Nuclei by Cox, Isaiah S, Torres-Albà, Núria, Marchesi, Stefano, Zhao, Xiurui, Ajello, Marco, Pizzetti, Andrealuna, Silver, Ross

“…The unified model of active galactic nuclei (AGNs) includes a geometrically thick obscuring medium to explain the differences between type I and type II AGNs…”
Get full text

A New Mid-Infrared and X-ray Machine Learning Algorithm to Discover Compton-thick AGN by Silver, Ross, Torres-Alba, Núria, Zhao, Xiurui, Marchesi, Stefano, Pizzetti, Andrealuna, Cox, Isaiah, Ajello, Marco

“…A&A 675, A65 (2023) We present a new method to predict the line-of-sight column density (NH) values of active galactic nuclei (AGN) based on mid-infrared…”
Get full text

A Simple Method for Predicting $N_H$ Variability in Active Galactic Nuclei by Cox, Isaiah, Torres-Alba, Nuria, Marchesi, Stefano, Zhao, Xiurui, Ajello, Marco, Pizzetti, Andrealuna, Silver, Ross

“…The unified model of active galactic nuclei (AGN) includes a toroidal obscuring structure to explain the differences between Type I and Type II AGN as an…”
Get full text

An X-ray Significantly Variable, Luminous, Type 2 Quasar at z = 2.99 with a Massive Host Galaxy by Zhao, Xiurui, Marchesi, Stefano, Ajello, Marco, Civano, Francesca, Gilli, Roberto, Lanzuisi, Giorgio, López, Iván E, Silver, Ross, Torres-Albà, Nuria, Boorman, Peter G, Pizzetti, Andrealuna

“…We present a comprehensive X-ray analysis and spectral energy distribution (SED) fitting of WISEA J171419.96+602724.6, an extremely luminous type 2 quasar at…”
Get full text

A multi-epoch X-ray study of the nearby Seyfert 2 galaxy NGC 7479: Linking column density variability to the torus geometry by Pizzetti, Andrealuna, Torres-Alba, Nuria, Marchesi, Stefano, Ajello, Marco, Silver, Ross, Zhao, Xiurui

“…ApJ 936, 149 - September 8 2022 Active galactic nuclei (AGN) are powered by accreting supermassive black holes, surrounded by a torus of obscuring material…”
Get full text

Compton-thick AGN in the NuSTAR Era. IX. A Joint NuSTAR and XMM-Newton Analysis of Four Local AGN by Silver, Ross, Torres-Alba, Nuria, Zhao, Xiurui, Marchesi, Stefano, Pizzetti, Andrealuna, Cox, Isaiah, Ajello, Marco, Cusumano, Giancarlo, La Parola, Valentina, Segreto, Alberto

“…We present the results of the broadband X-ray spectral analysis of simultaneous NuSTAR and XMM-Newton observations of four nearby Compton-thick active galactic…”
Get full text

Compton-thick AGN in the NuSTAR Era X: Analysing seven local CT-AGN candidates by Sengupta, Dhrubojyoti, Marchesi, Stefano, Vignali, Cristian, Torres-Albà, Núria, Bertola, Elena, Pizzetti, Andrealuna, Lanzuisi, Giorgio, Salvestrini, Francesco, Zhao, Xiurui, Gaspari, Massimo, Gilli, Roberto, Comastri, Andrea, Traina, Alberto, Tombesi, Francesco, Silver, Ross, Pozzi, Francesca, Ajello, Marco

“…A&A 676, A103 (2023) We present the broad-band X-ray spectral analysis (0.6-50 keV) of seven Compton-Thick active galactic nuclei (CT-AGN; line-of-sight,…”
Get full text

Chandra Follow-up Observations of Swift-BAT-selected AGNs II by Silver, Ross, Torres-Alba, Nuria, Zhao, Xiurui, Marchesi, Stefano, Pizzetti, Andrealuna, Ajello, Marco, Cusumano, Giancarlo, Parola, Valentina, Segreto, Alberto, Comastri, Andrea

“…We present the combined Chandra and Swift-BAT spectral analysis of nine low-redshift (z <= 0.10), candidate heavily obscured active galactic nuclei (AGN)…”
Get full text

Compton-Thick AGN in the NuSTAR era VII. A joint NuSTAR, Chandra and XMM-Newton analysis of two nearby, heavily obscured sources by Traina, Alberto, Marchesi, Stefano, Vignali, Cristian, Torres-Albà, Núria, Ajello, Marco, Pizzetti, Andrealuna, Silver, Ross, Zhao, Xiurui, Ananna, Tonima Tasnim, Baloković, Mislav, Boorman, Peter, Gandhi, Poshak, Gilli, Roberto, Lanzuisi, Giorgio

“…We present the joint Chandra, XMM-Newton and NuSTAR analysis of two nearby Seyfert galaxies, NGC 3081 and ESO 565-G019. These are the only two having Chandra…”
Get full text

Compton-Thick AGN in the NuSTAR era VIII: A joint NuSTAR-XMM-Newton monitoring of the changing-look Compton-thick AGN NGC 1358 by Marchesi, Stefano, Zhao, Xiurui, Torres-Albà, Núria, Ajello, Marco, Gaspari, Massimo, Pizzetti, Andrealuna, Buchner, Johannes, Bertola, Elena, Comastri, Andrea, Feltre, Anna, Gilli, Roberto, Lanzuisi, Giorgio, Matzeu, Gabriele, Pozzi, Francesca, Salvestrini, Francesco, Sengupta, Dhrubojyoti, Silver, Ross, Tombesi, Francesco, Traina, Alberto, Vignali, Cristian, Zappacosta, Luca

“…We present the multi-epoch monitoring with NuSTAR and XMM-Newton of NGC 1358, a nearby Seyfert 2 galaxy whose properties made it a promising candidate X-ray…”
Get full text