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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

We describe Rabacus, a Python package for calculating the transfer of hydrogen ionizing radiation in simplified geometries relevant to astronomy and cosmology. We present example solutions for three specific cases: 1) a semi-infinite slab…

Cosmology and Nongalactic Astrophysics · Physics 2015-02-26 Gabriel Altay , John Wise

The number of available constraints on the Universe during and before cosmic reionization is rapidly growing. These are often scattered across inhomogeneous formats, unit systems and sampling strategies. In this paper, I introduce CoReCon,…

Cosmology and Nongalactic Astrophysics · Physics 2023-09-14 Enrico Garaldi

Python Library for simulating unManNed vehiclEs(PLANE) is an open source software module, written in Python, that focuses on Unmanned Aerial Vehicles (UAVs), on their movements and on the mechanics of flight, thus devoting particular…

Robotics · Computer Science 2019-06-21 Pietro Boccadoro , Angelo Cardellicchio

The transit method is one of the most relevant exoplanet detection techniques, which consists of detecting periodic eclipses in the light curves of stars. This is not always easy due to the presence of noise in the light curves, which is…

Atmospheric studies of exoplanets and brown dwarfs are a cutting-edge and rapidly evolving area of astrophysics research. Calculating models of exoplanet or brown dwarf spectra requires knowledge of the wavelength-dependent absorption of…

Instrumentation and Methods for Astrophysics · Physics 2024-10-22 Arnav Agrawal , Ryan J. MacDonald

The photometric light curves of BRITE satellites were examined through a machine learning technique to investigate whether there are possible exoplanets moving around nearby bright stars. Focusing on different transit periods, several…

Earth and Planetary Astrophysics · Physics 2020-12-21 Li-Chin Yeh , Ing-Guey Jiang

Exoplanet atmospheric retrieval is a computational technique widely used to infer properties of planetary atmospheres from remote spectroscopic observations. Retrieval codes typically employ Bayesian sampling algorithms or machine learning…

Earth and Planetary Astrophysics · Physics 2023-03-24 Ryan J. MacDonald , Natasha E. Batalha

We introduce EXOFIT, a Bayesian tool for estimating orbital parameters of extrasolar planets from radial velocity measurements. EXOFIT can search for either one or two planets at present. EXOFIT employs Markov Chain Monte Carlo method…

Solar and Stellar Astrophysics · Physics 2009-07-22 Sreekumar T. Balan , Ofer Lahav

Multi-wavelength transit and secondary-eclipse light-curve observations are some of the most powerful techniques to probe the thermo-chemical properties of exoplanets. Although the large planet-to-star brightness contrast and few available…

Earth and Planetary Astrophysics · Physics 2016-04-06 Patricio E. Cubillos

Exploring exoplanets has transformed our understanding of the universe by revealing many planetary systems that defy our current understanding. To study their atmospheres, spectroscopic observations are used to infer essential atmospheric…

Earth and Planetary Astrophysics · Physics 2025-12-19 Flavio Giobergia , Alkis Koudounas , Elena Baralis

We present the description of the project \texttt{SCORPIO}, a Python package for retrieving images and associated data of galaxy pairs based on their position, facilitating visual analysis and data collation of multiple archetypal systems.…

Instrumentation and Methods for Astrophysics · Physics 2021-11-09 Jose A. Benavides , Martín Chalela , Juan B. Cabral , Bruno O. Sánchez , Sebastian Gurovich

Exoplanets are celestial bodies orbiting stars beyond our Solar System. Although historically they posed detection challenges, Kepler's data has revolutionized our understanding. By analyzing flux values from the Kepler Mission, we…

Instrumentation and Methods for Astrophysics · Physics 2024-06-13 Maneet Chatterjee , Anuvab Sen , Subhabrata Roy

In the last decade, over a million stars were monitored to detect transiting planets. Manual interpretation of potential exoplanet candidates is labor intensive and subject to human error, the results of which are difficult to quantify.…

Instrumentation and Methods for Astrophysics · Physics 2017-12-20 Kyle A. Pearson , Leon Palafox , Caitlin A. Griffith

We present the systemic Console, a new all-in-one, general-purpose software package for the analysis and combined multiparameter fitting of Doppler radial velocity (RV) and transit timing observations. We give an overview of the…

Earth and Planetary Astrophysics · Physics 2015-05-13 Stefano Meschiari , Aaron Wolf , Eugenio Rivera , Gregory Laughlin , Steve Vogt , Paul Butler

Automated searches for strong gravitational lensing in optical imaging survey datasets often employ machine learning and deep learning approaches. These techniques require more example systems to train the algorithms than have presently…

Instrumentation and Methods for Astrophysics · Physics 2021-02-08 Robert Morgan , Brian Nord , Simon Birrer , Joshua Yao-Yu Lin , Jason Poh

Exoplanet research is essential for understanding planetary formation and the potential for life beyond our solar system. The direct imaging method captures exoplanet light while minimizing light from the host star. This is conventionally…

Instrumentation and Methods for Astrophysics · Physics 2025-12-02 Suvinay Goyal , Yinzi Xin , Nemanja Jovanovic , Dimitri Mawet , Michael P. Fitzgerald

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

I present RoadRunner, a fast exoplanet transit model that can use any radially symmetric function to model stellar limb darkening while still being faster to evaluate than the analytical transit model for quadratic limb darkening by Mandel…

Earth and Planetary Astrophysics · Physics 2020-09-24 Hannu Parviainen

We propose Genesis, a one-armed simplified Convolutional Neural Network (CNN)for exoplanet detection, and compare it to the more complex, two-armed CNN called Astronet. Furthermore, we examine how Monte Carlo cross-validation affects the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-14 Koko Visser , Bas Bosma , Eric Postma