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Naslov:Southern African Large Telescope Spectroscopy of BL Lacs for the CTA project
Avtorji:ID Kasai, Eli (Avtor)
ID Bhattacharyya, Saptashwa (Avtor)
ID MARČUN, Barbara (Avtor)
ID Pérez Romero, Judit (Avtor)
ID Stanič, Samo (Avtor)
ID Vodeb, Veronika (Avtor)
ID Vorobiov, Serguei (Avtor)
ID Zaharijas, Gabrijela (Avtor)
ID Zavrtanik, Marko (Avtor)
ID Zavrtanik, Danilo (Avtor)
ID Živec, Miha (Avtor), et al.
Datoteke:.pdf ICRC2021_881.pdf (972,63 KB)
MD5: BD6051F8809C414FDD0D843334691CB3
 
URL https://pos.sissa.it/395/
 
URL https://pos.sissa.it/395/881/pdf
 
Jezik:Angleški jezik
Vrsta gradiva:Delo ni kategorizirano
Tipologija:1.08 - Objavljeni znanstveni prispevek na konferenci
Organizacija:UNG - Univerza v Novi Gorici
Opis:n the last two decades, very-high-energy gamma-ray astronomy has reached maturity: over 200 sources have been detected, both Galactic and extragalactic, by ground-based experiments. At present, Active Galactic Nuclei (AGN) make up about 40% of the more than 200 sources detected at very high energies with ground-based telescopes, the majority of which are blazars, i.e. their jets are closely aligned with the line of sight to Earth and three quarters of which are classified as high-frequency peaked BL Lac objects. One challenge to studies of the cosmological evolution of BL Lacs is the difficulty of obtaining redshifts from their nearly featureless, continuum-dominated spectra. It is expected that a significant fraction of the AGN to be detected with the future Cherenkov Telescope Array (CTA) observatory will have no spectroscopic redshifts, compromising the reliability of BL Lac population studies, particularly of their cosmic evolution. We started an effort in 2019 to measure the redshifts of a large fraction of the AGN that are likely to be detected with CTA, using the Southern African Large Telescope (SALT). In this contribution, we present two results from an on-going SALT program focused on the determination of BL Lac object redshifts that will be relevant for the CTA observatory.
Ključne besede:Cherenkov Telescope Array, very-high-energy gamma-ray astronomy, Active Galactic Nuclei, high-frequency peaked BL Lacs, Southern African Large Telescope
Status publikacije:Objavljeno
Leto izida:2021
PID:20.500.12556/RUNG-8431 Novo okno
COBISS.SI-ID:164869123 Novo okno
NUK URN:URN:SI:UNG:REP:ZXM2OXZX
Datum objave v RUNG:18.09.2023
Število ogledov:2504
Število prenosov:7
Metapodatki:XML DC-XML DC-RDF
:
KASAI, Eli, BHATTACHARYYA, Saptashwa, MARČUN, Barbara, PÉREZ ROMERO, Judit, STANIČ, Samo, VODEB, Veronika, VOROBIOV, Serguei, ZAHARIJAS, Gabrijela, ZAVRTANIK, Marko, ZAVRTANIK, Danilo in ŽIVEC, Miha, 2021, Southern African Large Telescope Spectroscopy of BL Lacs for the CTA project. V : 37th International Cosmic Ray Conference [na spletu]. Objavljeni znanstveni prispevek na konferenci. Trst, Italija. 2021. [Dostopano 12 april 2025]. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=8431
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Gradivo je del monografije

Naslov:37th International Cosmic Ray Conference : ICRC2021
Kraj izida:Trst, Italija
Leto izida:2021

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.

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