PoET: the Paranal solar ESPRESSO Telescope
Nuno C. Santos, Alexandre Cabral, In\^es Leite, Alain Smette, Manuel Abreu, David Alves, Jorge H.C. Martins, Manuel Monteiro, Andr\'e Silva, Bachar Wehbe, Jimmy Arancibia, Gerardo \'Avila, Stephane Brillant, C\'esar C\'ardenas, Ricardo Clara, Ricardo Gafeira, Daniel Gaytan
TL;DR
PoET is a dedicated telescope that collects solar light to help understand stellar variability, aiding the detection of Earth-like exoplanets by reducing stellar noise in spectroscopic data.
Contribution
This paper introduces PoET, a novel facility designed to use the Sun as a proxy for studying stellar noise affecting exoplanet detection.
Findings
PoET will improve understanding of stellar variability.
It will enhance the precision of exoplanet detection methods.
The facility aims to reduce astrophysical noise in spectroscopic data.
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.
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