Skip to main content
European Commission logo print header
Contenido archivado el 2022-12-23

Structure and evolution of extra-galactic sources and their relationship to the background radiations

Objetivo



WE PROPOSE A SYSTEMATIC STUDY OF THE BROAD LINE PROFILES IN AGN. STUDIES OF THE EMISSION LINE PROFILES PROVIDE INFORMATION ON THE SPATIAL AND KINEMATIC PROPERTIES OF THE EMITTING GAS. MOREOVER STATISTICAL DATA ON PROFILE PROPERTIES CAN PROVIDE DIRECT CONSTRAINTS ON MODELS OF THE EMITTING REGION.
WE SHALL PUT SPECIAL EMPHASIS ON LINE ASYMMETRIES, THAT CAN SHED LIGHT ON THE ACCRETION DISK MODEL FOR THE CENTRAL ENGINE OF AGN, AND ON VELOCITY DIFFERENCES THAT HAVE BEEN OBSERVED AMONG THE BROAD LINE REGION LINES AND BETWEEN THE BRL LINES AND THE NARROW LINE REGION LINES.
OUR GOALS ARE THREEFOLD: 1) TO EFFECTIVELY PARAMETRIZE THE LINE PROFILES; 2) TO USE THE DERIVED PARAMETERS TO CONSTRAIN CURRENT AGN MODELS; 3) To SEARCH FOR CORRELATIONS AMONG THE DERIVED PARAMETERS, OR WITH OTHER OBSERVABLES, THAT MIGHT PROVIDE FURTHER CLUES TO THE AGN PROCESS.

Convocatoria de propuestas

Data not available

Régimen de financiación

CSC - Cost-sharing contracts

Coordinador

Osservatorio Astronomico di Padova
Aportación de la UE
Sin datos
Dirección
Vicolo dell'Osservatorio 5
35122 Padova
Italia

Ver en el mapa

Coste total
Sin datos

Participantes (1)