ARES: High Spectral Resolution

Organizational Unit
Description

ARES (High Spectral Resolution) is a coordinated project which attempt to join and consolidate the efforts on instrument developments at high spectral resolution within the IAC. The goal is to launch the scientific programs that the IAC carries out on the search and characterization of exoplanets, in particular Earth-like exoplanets, on the evolution of the stellar populations of our Galaxy and on the field of cosmology and fundamental physics using high-resolution ultra-stable spectroscopy. ARES incorporates specific actions of great impact in the design and development of instrumentation of new generation for astronomical telescope facilities in the European Southern Observatory (ESO), the Observatorio del Roque de Los Muchachos, and the observatorio de Calar Alto: ESPRESSO@8.2m-VLT, HORS@10.4m-GTC, HARPS3@2.5m-INT, NIRPS@3.6m-ESO, HIRES@39m-E-ELT, CARMENES@3.5m-CalarAlto, and HRS@10.4m-GTC. The project ARES will allow to carry out technical actions and will provide access to the guaranteed scientific exploitation in : (a) ESPRESSO: will, among other scientific cases, allow the detection and characterization of terrestrial planets in the habitable zone around nearby GKM stars of the Southern hemisphere. The integration phase of the instrument is being carried out and the first light at the telescope is scheduled for 2017. (b) HORS: will characterize the chemistry of the stars of the Milky Way. Several improvements are being performed in several optical components with the aim of carrying out more observing tests at the GTC during 2017. (c) NIRPS: will be particularly efficient in the detection and characterization of low-mass planets orbiting M-dwarf stars in the southern hemisphere. The IAC is developing the design of fiber link. (d) HARPS3: will focus on star-planet systems similar to the Sun-Earth system. The IAC is carrying out the design of the rooms of thermal insulation of the spectrograph. (e) HIRES: will study, among other scientific cases, the atmospheres of exoplanets from Neptunes to Earths, including those in habitable zone, with the aim of detecting signs of life on rocky planets. The IAC is participating in the phase A of the design of the visible arm of this spectrograph and the fiber link of the instrument. (f) CARMENES: will search for low-mass planets orbiting M dwarfs in the northern hemisphere, with the aim of finding Earth-like planets in the habitable zone. (g) HRS: to follow the development of the high-resolution spectrograph and high-stability for the GTC telescope envisaged for the coming years.

Principal investigator
Project manager
Collaborators
Romano L.M. Corradi - GRANTECAN S.A.
Roberto Manuel Luis Simoes
Francesco Pepe - Universidad de Geneva
Gaspare Lo Curto - European Southern Observatory
Alejandro Suárez Mascareño - Universidad de Geneva
Paolo Molaro - Istituto Nazionale di Astrofisica
Christophe Lovis - Universidad de Geneva
Maria Rosa Zapatero - Centro de Astrobiología
Alessandro Marconi - Istituto Nazionale di Astrofisica
Roberto Maiolino - Università degli Studi di Cagliari
Didier Queloz - Università degli Studi di Cagliari
Samantha Thompson - Università degli Studi di Cagliari
Martin Fisher - Università degli Studi di Cagliari
Samuel Santana Tschudi - European Southern Observatory
Luca Pasquini - European Southern Observatory
Rafael Probst - Max Planck Institute of Quantum Optics
Piercarlo Bonifacio - Observatoire de Paris - Site de Meudon
Elisabetta Caffau - Observatoire de Paris - Site de Meudon
Hans Ludwig - Zentrum für Astronomie der Universität Heidelberg
Mathias Steffen - Leibniz-Institut für Astrophysik Potsdam
Nuno Santos - Centro de Astrofísica da Universidade do Porto
Pedro Figueira - Centro de Astrofísica da Universidade do Porto

-The participation of the IAC in the consortium for the design and development of the ultra-stable spectrograph ESPRESSO (Pepe et al. 2014, AN, 335, 8) has been been successful. During the first part of 2017 the process of preliminar acceptance in Europe (PAE) of the instrument by the European southern observatory (ESO) will be executed and the instrument will be shifted to Chile for the instalation, first light and first observing tests at the Coudé lab of the 8.2m-VLT telescopes at Paranal Observatory (ESO, Chile). -We continue participating in the development of the laser frequency comb (LFC) where we have demonstrated the short-term repeatability of 2.5 cm/s (Wilken et al. 2012, Nature, 485, 611), reaching approximately 1 cm/s in the more recent calibration tests (Probst et al. 2016, SPIE, 9908, 64).

Publications related

  • The first super-Earth detection from the high cadence and high radial velocity precision Dharma Planet Survey

    The Dharma Planet Survey (DPS) aims to monitor about 150 nearby very bright FGKM dwarfs (within 50 pc) during 2016-2020 for low-mass planet detection and characterization using the TOU very high resolution optical spectrograph (R ≈ 100 000, 380-900 nm). TOU was initially mounted to the 2-m Automatic Spectroscopic Telescope at Fairborn Observatory

    Ma, Bo et al.

    Advertised on:

    10
    2018
  • The CARMENES search for exoplanets around M dwarfs. High-resolution optical and near-infrared spectroscopy of 324 survey stars

    The CARMENES radial velocity (RV) survey is observing 324 M dwarfs to search for any orbiting planets. In this paper, we present the survey sample by publishing one CARMENES spectrum for each M dwarf. These spectra cover the wavelength range 520-1710 nm at a resolution of at least R >80 000, and we measure its RV, Hα emission, and projected

    Reiners, A. et al.

    Advertised on:

    4
    2018
  • A candidate super-Earth planet orbiting near the snow line of Barnard's star

    Barnard's star is a red dwarf, and has the largest proper motion (apparent motion across the sky) of all known stars. At a distance of 1.8 parsecs1, it is the closest single star to the Sun; only the three stars in the α Centauri system are closer. Barnard's star is also among the least magnetically active red dwarfs known2,3 and has an estimated

    Ribas, I. et al.

    Advertised on:

    11
    2018

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Illustration of the HIRES instrument and its adressed scientific goals. (Credit: HIRES consortium)
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