English
Related papers

Related papers: ESPRESSO@VLT -- On-sky performance and first resul…

200 papers

ESPRESSO (Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations) is a VLT ultra-stable high resolution spectrograph installed at ESO's Paranal Observatory in Chile at the end of 2017 and that started regular…

Instrumentation and Methods for Astrophysics · Physics 2024-02-01 Jonay I. González Hernández , Francesco Pepe , Paolo Molaro , Nuno Santos

The acronym ESPRESSO stems for Echelle SPectrograph for Rocky Exoplanets and Stable Spectroscopic Observations; this instrument will be the next VLT high resolution spectrograph. The spectrograph will be installed at the Combined-Coud\'e…

ESPRESSO is a new high-resolution ultra-stable spectrograph for the VLT, which had its first light on Telescope on November 27th, 2017. The instrument is installed in the Combined Coud\'{e} Laboratory and linked to the 4 Units of Telescope…

Instrumentation and Methods for Astrophysics · Physics 2019-02-07 A. C. O. Leite , C. J. A. P. Martins , P. Molaro , S. Monai , C. S. Alves , T. A. Silva , the ESPRESSO Science Team

The ESPRESSO spectrograph at ESO's Very Large Telescope (VLT) has, since it began science operations in October 2018, revolutionised exoplanet science. The combination of the large VLT mirrors and the high resolution and stability of the…

Earth and Planetary Astrophysics · Physics 2022-08-10 Louise Dyregaard Nielsen , Julia Victoria Seidel

ESPRESSO is an extremely stable high-resolution spectrograph which is currently being developed for the ESO VLT. With its groundbreaking characteristics it is aimed to be a "science machine", i.e. a fully-integrated instrument to directly…

ESPRESSO is an extremely stable high-resolution spectrograph which is currently being developed for the ESO VLT. With its groundbreaking characteristics it is aimed to be a "science machine", i.e., a fully-integrated instrument to directly…

The ESPRESSO instrument, to be commissioned in the next months at the ESO VLT, is bound to became a landmark in the field of high-resolution optical spectroscopy, both for its ground-breaking science objectives (search for Earth-like…

Instrumentation and Methods for Astrophysics · Physics 2018-08-14 Guido Cupani , Giorgio Calderone , Stefano Cristiani , Valentina D'Odorico , Giuliano Taffoni

As of October 2021 (Period 108), the European Southern Observatory (ESO) offers a new mode of the ESPRESSO spectrograph designed to use the High Resolution grating with 4x2 binning (spatial by spectral; HR42 mode) with the specific…

Astrophysics of Galaxies · Physics 2022-06-08 Trystyn A. M. Berg , Guido Cupani , Pedro Figueira , Andrea Mehner

We introduce the RISTRETTO instrument for ESO VLT, an evolution from the original idea of connecting the SPHERE high-contrast facility to the ESPRESSO spectrograph (Lovis et al 2017). RISTRETTO is an independent, AO-fed spectrograph…

CODEX, a high resolution, super-stable spectrograph to be fed by the E-ELT, the most powerful telescope ever conceived, will for the first time provide the possibility of directly measuring the change of the expansion rate of the Universe…

The ESPRESSO spectrograph is a new powerful tool to detect and characterize extrasolar planets. Its design allows unprecedented radial velocity precision (down to a few tens of cm/s) and long-term thermo-mechanical stability. We present the…

The data analysis software (DAS) for VLT ESPRESSO is aimed to set a new benchmark in the treatment of spectroscopic data towards the extremely-large-telescope era, providing carefully designed, fully interactive recipes to take care of…

The high resolution spectrograph ESPRESSO on the VLT allows measurements of fundamental constants at unprecedented precision and hence enables tests for spacetime variations predicted by some theories. In a series of recent papers, we…

Cosmology and Nongalactic Astrophysics · Physics 2023-03-08 Chung-Chi Lee , John K. Webb , Robert F. Carswell , Vladimir A. Dzuba , Victor V. Flambaum , Dinko Milaković

One of the main scientific drivers for ESPRESSO,\'Echelle SPectrograph, is the detection and characterization of Earth-class exoplanets. With this goal in mind, the ESPRESSO Guaranteed Time Observations (GTO) Catalog identifies the best…

Within the ESPRESSO project a new flexible data reduction library is being built. ESPRESSO, the Echelle SPectrograph for Rocky Exoplanets and Stable Spectral Observations is a fiber-fed, high-resolution, cross-dispersed echelle…

Instrumentation and Methods for Astrophysics · Physics 2015-09-21 Danuta Sosnowska , Christophe Lovis , Pedro Figueira , Andrea Modigliani , Paolo Di Marcantonio , Denis Megevand , Francesco Pepe

We use Fisher Matrix analysis techniques to forecast the cosmological impact of astrophysical tests of the stability of the fine-structure constant to be carried out by the forthcoming ESPRESSO spectrograph at the VLT (due for commissioning…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-01 C. S. Alves , T. A. Silva , C. J. A. P. Martins , A. C. O. Leite

Achieving a truly accurate wavelength calibration of high-dispersion echelle spectrographs is a challenging task but crucially needed for certain science cases, e.g. to test for a possible variation of the fine-structure constant in quasar…

Instrumentation and Methods for Astrophysics · Physics 2024-04-09 Tobias M. Schmidt , François Bouchy

The EXtreme PREcision Spectrograph (EXPRES) is a new Doppler spectrograph designed to reach a radial velocity measurement precision sufficient to detect Earth-like exoplanets orbiting nearby, bright stars. We report on extensive laboratory…

At optical wavelengths, an exoplanet's signature is essentially reflected light from the host star - several orders of magnitude fainter. Since it is superimposed on the star spectrum its detection has been a difficult observational…

Earth and Planetary Astrophysics · Physics 2013-10-07 Jorge H. C. Martins , Pedro Figueira , Nuno Santos , Christophe Lovis

The EXtreme PREcision Spectrograph (EXPRES) is an optical fiber fed echelle instrument being designed and built at the Yale Exoplanet Laboratory to be installed on the 4.3-meter Discovery Channel Telescope operated by Lowell Observatory.…

Instrumentation and Methods for Astrophysics · Physics 2016-12-14 C. Jurgenson , D. Fischer , T. McCracken , D. Sawyer , A. Szymkowiak , A. B. Davis , G. Muller , F. Santoro
‹ Prev 1 2 3 10 Next ›