ATTENZIONE!!! IL SISTEMA E' UTILIZZABILE ESCLUSIVAMENTE IN MODALITA' "CONSULTAZIONE". CAUSA PROBLEMI TECNICI, SI PREGA DI NON EFFETTUARE L'AUTENTICAZIONE, FINO A NUOVA COMUNICAZIONE. GRAZIE
 

High-energy monitoring of Seyfert galaxies: The case of NGC 4593

Journal
Date Issued
2016
Author(s)
•
Petrucci, P. -O.
•
Matt, G.
•
BIANCHI, STEFANO
•
•
De Marco, B.
•
•
Malzac, J.
•
DOI
Abstract
We discuss preliminary results from a joint XMM-Newton and NuSTAR monitoring program on the active galactic nucleus NGC 4593, consisting of 5 × 20 ks observations, spaced by two days, performed in January 2015. The source is found to be variable, both in flux and spectral shape, on time scales as short as a few ks. The spectrum clearly softens when the source brightens. A simple timing analysis suggests the presence of a variable soft excess that correlates with the primary continuum.
Volume
337
Start page
552
Uri
Url
Issn Identifier
0004-6337
Ads BibCode
2016AN....337..552U
Rights
open.access
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