Variability studies of active galactic nuclei from the long-term monitoring program with the Cherenkov Telescope Array

Grolleron, G.; Bhattacharyya, Saptashwa; Pérez Romero, Judit; Stanič, Samo; Vodeb, Veronika; Vorobiov, Serguei; Zavrtanik, Danilo; Zavrtanik, Marko; Živec, Miha

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Naslov:	Variability studies of active galactic nuclei from the long-term monitoring program with the Cherenkov Telescope Array
Avtorji:	ID Grolleron, G. (Avtor) ID Bhattacharyya, Saptashwa (Avtor) ID Pérez Romero, Judit (Avtor) ID Stanič, Samo (Avtor) ID Vodeb, Veronika (Avtor) ID Vorobiov, Serguei (Avtor) ID Zavrtanik, Danilo (Avtor) ID Zavrtanik, Marko (Avtor) ID Živec, Miha (Avtor), et al.
Datoteke:	ICRC2023_856.pdf (3,48 MB) MD5: 17BFC4F750FB089E8318396B502A00C5 icrc38_authors_clean.pdf (498,06 KB) MD5: 2B95DB2FB542C235164543ACA2094978 https://pos.sissa.it/444 To gradivo ima še več datotek. Celoten seznam je na voljo spodaj.
Jezik:	Angleški jezik
Vrsta gradiva:	Neznano
Tipologija:	1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:	UNG - Univerza v Novi Gorici
Opis:	Blazars are active galactic nuclei (AGN) with a relativistic jet oriented toward the observer. This jet is composed of accelerated particles which can display emission over the entire electromagnetic spectrum. Spectral variability has been observed on short- and long-time scales in AGN, with a power spectral density (PSD) that can show a break at frequencies below the well-known red-noise process. This break frequency in the PSD has been observed in X-rays to scale with the accretion regime and the mass of the central black hole. It is expected that a break could also be seen in the very-high-energy gamma rays, but constraining the shape of the PSD in these wavelengths has not been possible with the current instruments. The Cherenkov Telescope Array (CTA) will be more sensitive by a factor of five to ten depending on energy than the current generation of imaging atmospheric Cherenkov telescopes, therefore it will be possible with CTA to reconstruct the PSD with a high accuracy, bringing new information about AGN variability. In this work, we focus on the AGN long-term monitoring program planned with CTA. The program is proposed to begin with early-start observing campaigns with CTA precursors. This would allow us to probe longer time scales on the AGN PSD.
Ključne besede:	Cherenkov Telescope Array, CTA, dark matter, standard model, dwarf spheroidal galaxies
Status publikacije:	Objavljeno
Verzija publikacije:	Objavljena publikacija
Datum objave:	01.01.2023
Leto izida:	2023
Št. strani:	str. 1-8
PID:	20.500.12556/RUNG-8457-8c30dd43-f63d-ad1e-2729-4ee4a6b5b55f
COBISS.SI-ID:	165856515
UDK:	539.1
ISSN pri članku:	1824-8039
NUK URN:	URN:SI:UNG:REP:O8RHUUD6
Datum objave v RUNG:	26.09.2023
Število ogledov:	2815
Število prenosov:	17
Metapodatki:
:	GROLLERON, G., BHATTACHARYYA, Saptashwa, PÉREZ ROMERO, Judit, STANIČ, Samo, VODEB, Veronika, VOROBIOV, Serguei, ZAVRTANIK, Danilo, ZAVRTANIK, Marko in ŽIVEC, Miha, 2023, Variability studies of active galactic nuclei from the long-term monitoring program with the Cherenkov Telescope Array. V : 38th International Cosmic Ray Conference [also] ICRC2023 [na spletu]. Objavljeni znanstveni prispevek na konferenci. 2023. p. 1–8. [Dostopano 7 april 2025]. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=8457 Kopiraj citat

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Gradivo je del zbornika

Naslov:	38th International Cosmic Ray Conference [also] ICRC2023
COBISS.SI-ID:	162195971

Gradivo je del revije

Naslov:	Proceedings of science
Skrajšan naslov:	Pos proc. sci.
Založnik:	Sissa
ISSN:	1824-8039
COBISS.SI-ID:	20239655

Gradivo je financirano iz projekta

Financer:	ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Številka projekta:	P1-0031
Naslov:	Večglasniška astrofizika

Licence

Licenca:	CC BY-NC-ND 4.0, Creative Commons Priznanje avtorstva-Nekomercialno-Brez predelav 4.0 Mednarodna

Povezava:	http://creativecommons.org/licenses/by-nc-nd/4.0/deed.sl
Opis:	Najbolj omejujoča licenca Creative Commons. Uporabniki lahko prenesejo in delijo delo v nekomercialne namene in ga ne smejo uporabiti za nobene druge namene.