Detecting and characterizing pulsar halos with the Cherenkov Telescope Array Observatory

Eckner, Christopher; Bhattacharyya, Saptashwa; Pérez Romero, Judit; Stanič, Samo; Vodeb, Veronika; Vorobiov, Serguei; Zavrtanik, Danilo; Zavrtanik, Marko; Živec, Miha

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Naslov:	Detecting and characterizing pulsar halos with the Cherenkov Telescope Array Observatory
Avtorji:	ID Eckner, Christopher (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_772.pdf (2,20 MB) MD5: E818D8DE7A205774781DB65D735EEDD5 ICRC2023_772_a1.xml (361,46 KB) MD5: DE15915F83529BEA03341B5A0BABA7C2 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:	The recently identified source class of pulsar halos may be populated and bright enough at TeV energies to constitute a large fraction of the sources that will be observed with the Cherenkov Telescope Array (CTA), especially in the context of the planned Galactic Plane Survey (GPS). In this study, we examine the prospects offered by CTA for the detection and characterization of such objects. CTA will cover energies from 20 GeV to 300 TeV, bridging the ranges already probed with the Fermi Large Area Telescope and High Altitude Water Cherenkov Observatory, and will also have a better angular resolution than the latter instruments, thus providing a complementary look at the phenomenon. From simple models for individual pulsar halos and their population in the Milky Way, we examine under which conditions such sources can be detected and studied from the GPS observations. In the framework of a full spatial-spectral likelihood analysis, using the most recent estimates for the instrument response function and prototypes for the science tools, we derive the spectral and morphological sensitivity of the CTA GPS to the specific intensity distribution of pulsar halos. From these, we quantify the physical parameters for which pulsar halos can be detected, identified, and characterized, and what fraction of the Galactic population could be accessible. We also discuss the effect of interstellar emission and data analysis systematics on these prospects.
Ključne besede:	Cherenkov Telescope Array, CTA, very-high-energy gamma-ray astroparticle physics, instrument response functions, machine learning
Status publikacije:	Objavljeno
Verzija publikacije:	Objavljena publikacija
Datum objave:	01.01.2023
Leto izida:	2023
Št. strani:	str. 1-16
PID:	20.500.12556/RUNG-8453-c4b4064b-a95a-f733-e2bf-45f1e29fd7f4
COBISS.SI-ID:	165802243
UDK:	539.1
ISSN pri članku:	1824-8039
NUK URN:	URN:SI:UNG:REP:U6KEBCBY
Datum objave v RUNG:	26.09.2023
Število ogledov:	1933
Število prenosov:	14
Metapodatki:
:	ECKNER, Christopher, BHATTACHARYYA, Saptashwa, PÉREZ ROMERO, Judit, STANIČ, Samo, VODEB, Veronika, VOROBIOV, Serguei, ZAVRTANIK, Danilo, ZAVRTANIK, Marko in ŽIVEC, Miha, 2023, Detecting and characterizing pulsar halos with the Cherenkov Telescope Array Observatory. V : 38th International Cosmic Ray Conference [also] ICRC2023 [na spletu]. Objavljeni znanstveni prispevek na konferenci. 2023. p. 1–16. [Dostopano 8 april 2025]. Pridobljeno s: https://repozitorij.ung.si/IzpisGradiva.php?lang=slv&id=8453 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.