About this community

Wide range of research programmes linked to experimental and instrumental programmes at the cutting edge of astronomical technology

The wide range of research programmes carried out by the group are centred on four major areas each linked to experimental and instrumental programmes which are at the cutting edge of astronomical technology.

These activities are supported by theoretical studies, particularly in the area of fundamental physics applications in Relativity and Cosmology, as well as modelling and simulation of astronomical phenomena.

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Recent Submissions

  • SKA Aperture Array Verification System: Electromagnetic modeling and beam pattern measurements using a micro UAV 

    De Lera Acedo, Eloy; Bolli, P; Paonessa, F; Virone, G; Colin-Beltran, E; Razavi-Ghods, Nima; Aicardi, I et al.
    In this paper we present the electromagnetic modeling and beam pattern measurements of a 16-elements ultra wideband sparse random test array for the low frequency instrument of the Square Kilometer Array telescope. We ...
  • Extended ionised and clumpy gas in a normal galaxy at z=7.1 revealed by ALMA 

    Carniani, Stefano; Maiolino, Roberto; Pallottini, Andrea; Vallini, L; Pentericci, L; Ferrara, A; Castellano, M et al. (Springer Nature, 2017-09-06)
    We present new ALMA observations of the [O iii]88 μm line and high angular resolution observations of the [C ii]158 μm line in a normal star forming galaxy at z = 7.1. Previous [C ii] observations of this galaxy had detected ...
  • New constraints on the average escape fraction of Lyman continuum radiation in z ∼ 4 galaxies from the VIMOS Ultra Deep Survey (VUDS) 

    Marchi, F; Pentericci, L; Guaita, L; Ribeiro, B; Castellano, M; Schaerer, D; Hathi, NP et al. (EDP Sciences, 2017-05-01)
    $\textit{Context}$ Determining the average fraction of Lyman continuum (LyC) photons escaping high redshift galaxies is essential for understanding how reionization proceeded in the z > 6 Universe. $\textit{Aims}$ We ...
  • Using photoionization models to derive carbon and oxygen gas-phase abundances in the rest UV 

    Pérez-Montero, E; Amorín, Ricardo Oscar (Oxford University Press, 2017-01-24)
    We present a new method to derive oxygen and carbon abundances using the ultraviolet (UV) lines emitted by the gas phase ionized by massive stars. The method is based on the comparison of the nebular emission-line ratios ...

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