PoET: the Paranal solar ESPRESSO Telescope

The detection and characterisation of other ‘Earths’, orbiting other suns, is a bold objective of present-day astrophysics. However, this quest is severely challenged by astrophysical ‘noise’ from the host stars, whose signatures distort the observed spectra. Motivated by this problem, we are building a dedicated facility, the Paranal solar ESPRESSO Telescope (PoET). PoET will collect solar light and channel it into the ESPRESSO spectrograph, allowing us to use the Sun as a proxy to unambiguously identify and understand the sources of relevant variability in solar-type stars.

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Journal
ArXiv.org
Published
2025-01-01
DOI
https://doi.org/10.18727/0722-6691/5381
Primary Topic
Solar and Space Plasma Dynamics
Type
article
Field-Weighted Citation Impact
0.00

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article

PoET: the Paranal solar ESPRESSO Telescope

César A. Cárdenas, J. Rodrigues, Manuel Abreu, D. Castro Alves et al.
ArXiv.org
Solar and Space Plasma Dynamics
article

PoET: the Paranal solar ESPRESSO Telescope

César A. Cárdenas, J. Rodrigues, Manuel Abreu, D. Castro Alves, J. Gomes da Silva, Eduardo Gonçalves, Nicolas Miranda, Alexandre Cabral, J. P. Faria, V. Adibekyan, Ricardo Schmutzer, R. Gafeira, A. Smette, Daniel Gaytan, André M. N. Silva, William Dethier, Angel Otarola, Inês Leite, Pedro M. D. Moreno, Bachar Wehbé, Sérgio Sousa, F. Pepe, C. Lovis, P. T. P. Viana, S. C. C. Barros, N. C. Santos, S. Brillant, J. H. C. Martins, Danuta Sosnowska, Khaled Al Moulla, E. Cristo, J. P. Lucero, C. Martinez, Y. C. Damasceno, Pascual Rojas, Manuel Monteiro, Ângela Santos, O. D. S. Demangeon, Pedro Soares Branco, Gerardo Ávila, Pierre van der Heyden, A. Oliveira, Alba Barka, Jimmy Arancibia, Ricardo Clara
article en

Abstract

The detection and characterisation of other ‘Earths’, orbiting other suns, is a bold objective of present-day astrophysics. However, this quest is severely challenged by astrophysical ‘noise’ from the host stars, whose signatures distort the observed spectra. Motivated by this problem, we are building a dedicated facility, the Paranal solar ESPRESSO Telescope (PoET). PoET will collect solar light and channel it into the ESPRESSO spectrograph, allowing us to use the Sun as a proxy to unambiguously identify and understand the sources of relevant variability in solar-type stars.

ArXiv.org
University of Geneva (CH), University of Lisbon (PT), Universidade do Porto (PT), Institute of Astrophysics and Space Sciences (PT), European Southern Observatory (CL), University of Coimbra (PT)
European Commission, Fundação para a Ciência e a Tecnologia
Openalex Percentile: Top 71%
Solar and Space Plasma Dynamics
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