Arsenić, Arsenije

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Spectral index distribution over radio lobes of 4C 14.11 using astrophysical data in FITS format

Borka Jovanović, Vesna; Borka, Duško; Arsenić, Arsenije; Jovanović, Predrag

(2022) 

TY  - JOUR
AU  - Borka Jovanović, Vesna
AU  - Borka, Duško
AU  - Arsenić, Arsenije
AU  - Jovanović, Predrag
PY  - 2022
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/10341
AB  - The goal of this paper is to investigate the flux and spectral index distribution of FR II radio galaxy 4C 14.11. We focused on the distribution of flux and spectral indices over the lobes, as well as in their hot spots. For that purpose, we used publicly available observations of this radio galaxy given at 1450 and 8440 MHz. Particularly, we used Leahy’s Atlas of radio-emitting double radio sources, Jodrell Bank Centre for Astrophysics in Manchester, as well as NASA/IPAC Extragalactic Database. We found that the non-thermal (synchrotron) radiation dominates over the areas of the lobes. Distinction between hot spots and rest of the lobes are much smaller in the spectral index than in the flux. We also found that over the inner parts of both lobes, spectral index α is flat in average and significantly higher than 1.2, indicating that 4C 14.11 is old AGN.
T2  - Advances in Space Research
T1  - Spectral index distribution over radio lobes of 4C 14.11 using astrophysical data in FITS format
DO  - 10.1016/j.asr.2022.05.062
ER  - 
@article{
author = "Borka Jovanović, Vesna and Borka, Duško and Arsenić, Arsenije and Jovanović, Predrag",
year = "2022",
abstract = "The goal of this paper is to investigate the flux and spectral index distribution of FR II radio galaxy 4C 14.11. We focused on the distribution of flux and spectral indices over the lobes, as well as in their hot spots. For that purpose, we used publicly available observations of this radio galaxy given at 1450 and 8440 MHz. Particularly, we used Leahy’s Atlas of radio-emitting double radio sources, Jodrell Bank Centre for Astrophysics in Manchester, as well as NASA/IPAC Extragalactic Database. We found that the non-thermal (synchrotron) radiation dominates over the areas of the lobes. Distinction between hot spots and rest of the lobes are much smaller in the spectral index than in the flux. We also found that over the inner parts of both lobes, spectral index α is flat in average and significantly higher than 1.2, indicating that 4C 14.11 is old AGN.",
journal = "Advances in Space Research",
title = "Spectral index distribution over radio lobes of 4C 14.11 using astrophysical data in FITS format",
doi = "10.1016/j.asr.2022.05.062"
}
Borka Jovanović, V., Borka, D., Arsenić, A.,& Jovanović, P.. (2022). Spectral index distribution over radio lobes of 4C 14.11 using astrophysical data in FITS format. in Advances in Space Research.
https://doi.org/10.1016/j.asr.2022.05.062
Borka Jovanović V, Borka D, Arsenić A, Jovanović P. Spectral index distribution over radio lobes of 4C 14.11 using astrophysical data in FITS format. in Advances in Space Research. 2022;.
doi:10.1016/j.asr.2022.05.062 .
Borka Jovanović, Vesna, Borka, Duško, Arsenić, Arsenije, Jovanović, Predrag, "Spectral index distribution over radio lobes of 4C 14.11 using astrophysical data in FITS format" in Advances in Space Research (2022),
https://doi.org/10.1016/j.asr.2022.05.062 . .
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