English
Related papers

Related papers: A Flexible and Modular Data Reduction Library for …

200 papers

Transmission spectroscopy is among the most fruitful techniques to infer the main opacity sources present in the upper atmosphere of a transiting planet and to constrain the composition of the thermosphere and of the unbound exosphere. Not…

Earth and Planetary Astrophysics · Physics 2022-11-09 Daniela Sicilia , Luca Malavolta , Lorenzo Pino , Gaetano Scandariato , Valerio Nascimbeni , Giampaolo Piotto , Isabella Pagano

Understanding how the Universe evolved from diffuse primordial gas into the rich cosmic web we observe today is one of the great challenges of modern astrophysics. Quasar absorption lines - the imprints left by intervening gas on the light…

Transmission spectroscopy has proven to be an effective technique for characterizing exoplanet atmospheres. However, transmission spectroscopy requires planetary transits, which occur for only a small fraction of planetary systems due to…

Earth and Planetary Astrophysics · Physics 2025-10-24 Parvathy Menon , Sivarani T , Sriram S , Manjunath Bestha , Devika K Divakar , Rajaguru S P , Arun Surya

PyCPL provides full access to ESO's Common Pipeline Library ( CPL) for astronomical data reduction within a Python environment. Not only does it offer a Python interface to the robust CPL library, but it also lets users and developers fully…

Instrumentation and Methods for Astrophysics · Physics 2024-04-03 Mrunmayi S. Deshpande , Nuria P. F. Lorente , Anthony Horton , Brent Miszalski , Ralf Palsa , Lars Lundin , Anthony Heng , Aidan Farrell

We evaluate a pre-production BACHES \'{e}chelle spectrograph in terms of its usefulness for radial velocity surveys of binary stars with small telescopes in a remote and autonomous. We use the Solaris-4 observatory located in Casleo,…

Instrumentation and Methods for Astrophysics · Physics 2015-06-19 S. K. Kozłowski , M. Konacki , M. Ratajczak , P. Sybilski , R. K. Pawłaszek , K. G. Hełminiak

The price of instruments and observing time on modern telescopes is quickly increasing with the size of the primary mirror. Therefore, it is worth revisiting the data reduction algorithms to extract every bit of scientific information from…

Instrumentation and Methods for Astrophysics · Physics 2021-02-03 Nikolai Piskunov , Ansgar Wehrhahn , Thomas Marquart

CODEX is a high resolution spectrograph for the European ELT. CODEX is conceived to reach the highest precision and stability, allowing the execution of programs spanning many years. Several innovative technical concepts need to be…

Astrophysics · Physics 2019-08-14 Valentina D'Odorico

The ELODIE archive contains the complete collection of high-resolution echelle spectra accumulated over the last decade using the ELODIE spectrograph at the Observatoire de Haute-Provence 1.93-m telescope. This article presents the…

Astrophysics · Physics 2009-11-10 J. Moultaka , S. A. Ilovaisky , Ph. Prugniel , C. Soubiran

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

We present the first public release of ShapePipe, an open-source and modular weak-lensing measurement, analysis, and validation pipeline written in Python. We describe the design of the software and justify the choices made. We provide a…

Instrumentation and Methods for Astrophysics · Physics 2022-08-24 S. Farrens , A. Guinot , M. Kilbinger , T. Liaudat , L. Baumont , X. Jimenez , A. Peel , A. Pujol , M. Schmitz , J. -L. Starck , A. Z. Vitorelli

The Rapid Imaging Planetary Spectrograph (RIPS) was designed as a long-slit high-resolution spectrograph for the specific application of studying atmospheres of spatially extended solar system bodies. With heritage in terrestrial airglow…

Instrumentation and Methods for Astrophysics · Physics 2023-08-01 Patrick Lierle , Carl Schmidt , Jeffrey Baumgardner , Luke Moore , Emma Lovett

Transmission spectroscopy has greatly advanced the study of exoplanet atmospheres, but stellar surface heterogeneities can contaminate transit spectra. Characterising how stellar spectra vary across the stellar disc is therefore essential…

Solar and Stellar Astrophysics · Physics 2026-04-29 E. C. Gonçalves , E. Cristo , W. Dethier , N. C. Santos , S. G. Sousa , P. T. P. Viana , T. Azevedo Silva , R. Allart , V. Bourrier

The production of science-ready data from major solar telescopes requires expertise beyond that of the typical observer. This is a consequence of the increasing complexity of instruments and observing sequences, which require calibrations…

Solar and Stellar Astrophysics · Physics 2014-12-17 J. de la Cruz Rodríguez , M. Löfdahl , P. Sütterlin , T. Hillberg , L. Rouppe van der Voort

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

The FORS1 instrument on the ESO Very Large Telescope was used to obtain low-resolution circular polarised spectra of nearly a thousand different stars, with the aim of measuring their mean longitudinal magnetic fields. A catalogue of FORS1…

Solar and Stellar Astrophysics · Physics 2015-11-04 S. Bagnulo , L. Fossati , J. D. Landstreet , C. Izzo

ASTRA is a Python package that provides a modular, instrument-independent interface for working with high-resolution stellar spectra. Designed to support data from multiple spectrographs, including ESPRESSO (Pepe et al., 2021), HARPS (Mayor…

Instrumentation and Methods for Astrophysics · Physics 2026-01-16 André M. Silva , J. P. Faria , N. C. Santos , S. G. Sousa , P. T. P. Viana , J. H. C. Martins

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

The Multi Unit Spectroscopic Explorer (MUSE) is an integral-field spectrograph operating in the visible wavelength range, and installed at the Very Large Telescope (VLT). The official MUSE pipeline is available from ESO. However, for the…

Instrumentation and Methods for Astrophysics · Physics 2016-12-19 Simon Conseil , Roland Bacon , Laure Piqueras , Martin Shepherd

The SpeX Prism Library (SPL) is a uniform compilation of low-resolution (R ~ 75-120), near-infrared (0.8-2.5 micron) spectra spanning a decade of observations with the IRTF SpeX spectrograph. Primarily containing ultracool M, L, T and Y…

Solar and Stellar Astrophysics · Physics 2014-06-20 Adam J. Burgasser