Výsledky vyhledávání - "Asrate Gaulle"

Accretion rate in AGN and X-ray-to-optical flux ratio at z $\le$ 0.2

Autor: Asrate Gaulle, Dejene Zewdie, Mirjana Pović

We explored a sample of 545 local galaxies using data from the 3XMM-DR7 and SDSS-DR8 surveys. We carried out all analyses up to z\,$\sim$\,0.2, and we studied the relation between X/O flux ratio and accretion rate for different classes of active gala

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::179087f4d6c2cbd262d6fa97e8f52038
http://arxiv.org/abs/2003.13487

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AGN and star formation properties of inside-out assembled galaxy candidates at z < 0.1

Autor: Manuel Aravena, Mirjana Pović, Dejene Zewdie, Roberto J. Assef, Asrate Gaulle

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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We study a sample of 48 127 galaxies selected from the SDSS MPA-JHU catalogue, with log M-star/M-circle dot = 10.73-11.03 and z < 0.1. Local galaxies in this stellar mass range have been shown to have systematically shorter assembly times within thei

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::507bc0fb694926f935e1650f0e3e90b2
http://hdl.handle.net/10261/224320

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The properties of inside-out assembled galaxies at z < 0.1

Autor: Manuel Aravena, Roberto J. Assef, Mirjana Pović, Dejene Zewdie, Asrate Gaulle

Publikováno v: Proceedings of the International Astronomical Union. 15:358-360

In this work, we study the properties of galaxies that are showing the inside-out assembly (which we call inside-out assembled galaxies; IOAGs), with the main aim to understand better their properties and morphological transformation. We analysed a s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::752426d3075bd5a9db2c71bc41908822
https://doi.org/10.1017/s1743921320003348

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