Characterizing the luminosity components of luminous infrared galaxies in multi-wavelength from the X-ray to the far-infrared

被引：0

作者：

Ali, Abdallah A. M. ^{[1
]}

Gadallah, Kamel A. K. ^{[1
]}

Shalabiea, Osama. M. ^{[2
,3
]}

Beheary, Mohamed. M. ^{[1
]}

机构：

[1] Al Azhar Univ, Fac Sci, Astron & Meteorol Dept, POB 11884, Nasr City, Cairo, Egypt

[2] Cairo Univ, Fac Sci, Astron Space Sci & Meteorol Dept, Giza, Egypt

[3] Beni Suef Univ, Fac Nav Sci & Space Technol, Bani Suwayf, Egypt

来源：

SCIENTIFIC REPORTS | 2024年 / 14卷 / 01期

关键词：

Luminous IR galaxies; Active Galactic Nucleus (AGN); Stellar luminosity; X-ray luminosity; AGN Luminosity; ACTIVE GALACTIC NUCLEI; SPECTRAL ENERGY-DISTRIBUTION; STELLAR POPULATION SYNTHESIS; REDSHIFT SURVEY; STAR-FORMATION; MASS FUNCTION; ULTRAVIOLET; EMISSION; MODEL; DUST;

D O I：

10.1038/s41598-024-76203-5

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

We characterize luminosity components of Ultra/Luminous Infrared Galaxies (U/LIRGs) in multi-wavelength from the X-ray to far-infrared. A set of 63 AGN U/LIRGs was selected where these galaxies are powered by a central active galactic nucleus (AGN). Utilizing the X-CIGALE code, SEDs for these galaxies are carried out where their SEDs are fitted with observations. Accordingly, the physical parameters such as the stellar mass, the dust-to-gas mass ratio, and the star formation rate are calculated. The total luminosity and its decomposed components (stellar, AGN, X-ray) are also calculated. We characterized these luminosities in relative to the intrinsic luminosity and in relative to each other. As a function of the stellar mass, these luminosities reveal an increase with different correlation coefficients, showing a strong correlation. In correlation with the intrinsic AGN power, the stellar, AGN, and X-ray luminosities are strongly correlates in their variation to the intrinsic AGN luminosity, showing stronger correlations of AGN, and X-ray luminosities than those of the stellar one. In relationships between various luminosity components, both the stellar and X-ray luminosities reveal strong correlations with the AGN luminosity. On the other hand, the X-ray luminosity varies strongly with the stellar luminosity and moderately with IR luminosity. Compared to obscured AGN galaxies, both the stellar and AGN luminosities similarly vary with increasing the intrinsic power of the active nucleus but for obscured AGN they are faster in their variation than that of U/LIRG. These correlations may offer valuable insights to understand the physical properties and their relationships through the evolution of U/LIRGs.

引用

页数：28

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