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Related papers: PynPoint Code for Exoplanet Imaging

200 papers

High quality, repeatable point-spread functions are important for science cases like direct exoplanet imaging, high-precision astrometry, and high-resolution spectroscopy of exoplanets. For such demanding applications, the initial on-sky…

Instrumentation and Methods for Astrophysics · Physics 2021-07-19 Steven P. Bos , Michael Bottom , Sam Ragland , Jacques-Robert Delorme , Sylvain Cetre , Laurent Pueyo

We present a new open source python package, based on PyLightcurve and PyTorch, tailored for efficient computation and automatic differentiation of exoplanetary transits. The classes and functions implemented are fully vectorised, natively…

Earth and Planetary Astrophysics · Physics 2021-03-24 Mario Morvan , Angelos Tsiaras , Nikolaos Nikolaou , Ingo P. Waldmann

Direct imaging searches for exoplanets around stars detect many spurious candidates that are in fact background field stars. To help distinguish these from genuine companions, multi-epoch astrometry can be used to identify a common proper…

Earth and Planetary Astrophysics · Physics 2023-12-11 Philipp Herz , Matthias Samland , Coryn A. L. Bailer-Jones

Understanding astrophysical and cosmological processes can be challenging due to their complexity and lack of intuitive analogies. To address this, we present \texttt{AstronomyCalc}, a Python package specifically designed to aid…

Physics Education · Physics 2025-11-26 Sambit K. Giri

In modern-day astronomy, near-infrared, optical, and ultraviolet spectroscopy are indispensable for studying a wide range of phenomena, from measuring black hole masses to analyzing chemical abundances in stellar atmospheres. However,…

Instrumentation and Methods for Astrophysics · Physics 2025-07-21 Raniere de Menezes , Francesco Massaro , Michela Negro , Claudia M. Raiteri , Harold Peña-Herazo , Jose A. Acosta-Pulido

Direct imaging of exoplanets is particularly challenging due to the high contrast between the planet and the star luminosities, and their small angular separation. In addition to tailored instrumental facilities implementing adaptive optics…

Instrumentation and Methods for Astrophysics · Physics 2024-09-27 Théo Bodrito , Olivier Flasseur , Julien Mairal , Jean Ponce , Maud Langlois , Anne-Marie Lagrange

We model the detectability of exoplanets around stars in the Beta Pic Moving Group (BPMG) using the Gemini Planet Imager (GPI), a coronagraphic instrument designed to detect companions by imaging. Members of the BPMG are considered…

Solar and Stellar Astrophysics · Physics 2015-05-18 Tiffany Kataria , Michal Simon

Recently, we introduced PLanetary Atmospheric Tool for Observer Noobs (PLATON), a Python package that calculates model transmission spectra for exoplanets and retrieves atmospheric characteristics based on observed spectra. We now expand…

Earth and Planetary Astrophysics · Physics 2020-08-19 Michael Zhang , Yayaati Chachan , Eliza M. -R. Kempton , Heather Knutson , Wenjun , Chang

Direct imaging is an active research topic in astronomy for the detection and the characterization of young sub-stellar objects. The very high contrast between the host star and its companions makes the observations particularly…

Instrumentation and Methods for Astrophysics · Physics 2023-10-12 Olivier Flasseur , Théo Bodrito , Julien Mairal , Jean Ponce , Maud Langlois , Anne-Marie Lagrange

PlanetPack, initially released in 2013, is a command-line software aimed to facilitate exoplanets detection, characterization, and basic dynamical $N$-body simulations. This paper presents the third major release of PlanetPack that…

Instrumentation and Methods for Astrophysics · Physics 2018-11-05 Roman V. Baluev

In a continued quest to monitor subsecond surface dynamics on the atomic scale and to improve imaging resolution, a FAST module to accelerate existing scanning probe microscopy setups was previously presented. Hereby, the speedup is enabled…

Instrumentation and Detectors · Physics 2023-01-30 K. Briegel , F. Riccius , J. Filser , A. Bourgund , R. Spitzenpfeil , M. Panighel , C. Dri , B. A. J. Lechner , F. Esch

The search for exoplanets is an active field in astronomy, with direct imaging as one of the most challenging methods due to faint exoplanet signals buried within stronger residual starlight. Successful detection requires advanced image…

Instrumentation and Methods for Astrophysics · Physics 2025-03-24 Théo Bodrito , Olivier Flasseur , Julien Mairal , Jean Ponce , Maud Langlois , Anne-Marie Lagrange

PyMieDAP (the Python Mie Doubling-Adding Programme) is a Python--based tool for computing the total, linearly, and circularly polarized fluxes of incident unpolarized sun- or starlight that is reflected by, respectively, Solar System…

Earth and Planetary Astrophysics · Physics 2018-09-05 Loïc Rossi , Javier Berzosa-Molina , Daphne M. Stam

The observed sub-structures, like annular gaps, in dust emissions from protoplanetary disk, are often interpreted as signatures of embedded planets. Fitting a model of planetary gaps to these observed features using customized simulations…

Earth and Planetary Astrophysics · Physics 2021-10-13 Sayantan Auddy , Ramit Dey , Min-Kai Lin , Cassandra Hall

We present the Exoplanet Simple Orbit Fitting Toolbox (ExoSOFT), a new, open-source suite to fit the orbital elements of planetary or stellar mass companions to any combination of radial velocity and astrometric data. To explore the…

Instrumentation and Methods for Astrophysics · Physics 2017-11-13 Kyle Mede , Timothy D. Brandt

We present astroplan - an open source, open development, Astropy affiliated package for ground-based observation planning and scheduling in Python. astroplan is designed to provide efficient access to common observational quantities such as…

We present a database of well determined orbital parameters of exoplanets. This database comprises spectroscopic orbital elements measured for 427 planets orbiting 363 stars from radial velocity and transit measurements as reported in the…

Galaxy morphological classification is a fundamental aspect of galaxy formation and evolution studies. Various machine learning tools have been developed for automated pipeline analysis of large-scale surveys, enabling a fast search for…

Instrumentation and Methods for Astrophysics · Physics 2022-06-15 Yash Gondhalekar , Rafael S. de Souza , Ana L. Chies-Santos

The Montage image mosaic engine has found wide applicability in astronomy research, integration into processing environments, and is an examplar application for the development of advanced cyber-infrastructure. It is written in C to provide…

Instrumentation and Methods for Astrophysics · Physics 2019-08-27 John Good , G. Bruce Berriman

The Pan-STARRS Data Processing System is responsible for the steps needed to downloaded, archive, and process all images obtained by the Pan-STARRS telescopes, including real-time detection of transient sources such as supernovae and moving…