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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…

Stellar model atmospheres form the basis for any element abundance determination and hence are crucial ingredients for studies of stellar, galactic and cosmic evolution. With recent observational progress with the advent of 8m-class…

Astrophysics · Physics 2007-05-23 Martin Asplund

This elementary review covers the basics of working with astronomical data, notably with images, spectra and higher-level (catalog) data. The basic concepts and tools are presented using both application software (DS9 and TOPCAT) and…

Instrumentation and Methods for Astrophysics · Physics 2020-01-09 Markus Pössel

This paper presents a tutorial explaining the use of Virtual Observatory tools in high energy astrophysics. Most of the tools used in this paper were developed at the Strasbourg astronomical Data Center and we show how they can be applied…

Instrumentation and Methods for Astrophysics · Physics 2014-11-25 Sébastien Derriere , Rene W. Goosmann , Caroline Bot , François Bonnarel

A numerical hydrodynamical model for the evolution of spherically symmetric collapsing clouds, designed for the calculation of the thermal structure of these objects in both the prestellar and protostellar stages of their evolution, is…

Astrophysics of Galaxies · Physics 2015-06-23 Ya. N. Pavlyuchenkov , A. G. Zhilkin , E. I. Vorobyov , A. M. Fateeva

In this work, we identify elements of effective machine learning datasets in astronomy and present suggestions for their design and creation. Machine learning has become an increasingly important tool for analyzing and understanding the…

Instrumentation and Methods for Astrophysics · Physics 2022-11-30 Bernie Boscoe , Tuan Do , Evan Jones , Yunqi Li , Kevin Alfaro , Christy Ma

In this self-contained document, we aim to present the basic theoretical building blocks to understand modeling of stellarator magnetic fields, some of the challenges associated with modeling, and optimization for designing stellarators. As…

Plasma Physics · Physics 2020-08-11 Lise-Marie Imbert-Gerard , Elizabeth J. Paul , Adelle M. Wright

We present a method to simulate deep sky images, including realistic galaxy morphologies and telescope characteristics. To achieve a wide diversity of simulated galaxy morphologies, we first use the shapelets formalism to parametrize the…

The shapelets method for image analysis is based upon the decomposition of localised objects into a series of orthogonal components with convenient mathematical properties. We extend the "Cartesian shapelet" formalism from earlier work, and…

Astrophysics · Physics 2009-11-10 Richard Massey , Alexandre Refregier

This is a guide on how to create 3d printable models of tropical surfaces, curves, and combinations thereof. It uses Polymake to construct bounded models of the tropical objects, and OpenSCAD to thicken and export them to any common 3D…

Algebraic Geometry · Mathematics 2023-04-21 Herbert Gangl , Yue Ren , Ziva Urbancic

Observational astrophysics uses sophisticated technology to collect and measure electromagnetic and other radiation from beyond the Earth. Modern observatories produce large, complex datasets and extracting the maximum possible information…

Physics Education · Physics 2019-03-14 P. Barmby

Models of the zodiacal light are necessary to convert measured data taken from low Earth orbit into the radiation field outside the solar system. The uncertainty in these models dominates the overall uncertainty in determining the…

Astrophysics · Physics 2007-05-23 Edward L. Wright

Thermal and magneto-thermal simulations are an important tool for advancing understanding of neutron stars, as they allow us to compare models of their internal structure and physical processes against observations constraining macroscopic…

High Energy Astrophysical Phenomena · Physics 2025-09-04 K. Kovlakas , D. De Grandis , N. Rea

We are now on a clear trajectory for improvements in exoplanet observations that will revolutionize our ability to characterize their atmospheric structure, composition, and circulation, from gas giants to rocky planets. However, exoplanet…

Earth and Planetary Astrophysics · Physics 2019-05-20 Jonathan J. Fortney , Tyler D. Robinson , Shawn Domagal-Goldman , Anthony D. Del Genio , Iouli E. Gordon , Ehsan Gharib-Nezhad , Nikole Lewis , Clara Sousa-Silva , Vladimir Airapetian , Brian Drouin , Robert J. Hargreaves , Xinchuan Huang , Tijs Karman , Ramses M. Ramirez , Gregory B. Rieker , Jonathan Tennyson , Robin Wordsworth , Sergei N Yurchenko , Alexandria V Johnson , Timothy J. Lee , Chuanfei Dong , Stephen Kane , Mercedes Lopez-Morales , Thomas Fauchez , Timothy Lee , Mark S. Marley , Keeyoon Sung , Nader Haghighipour , Tyler Robinson , Sarah Horst , Peter Gao , Der-you Kao , Courtney Dressing , Roxana Lupu , Daniel Wolf Savin , Benjamin Fleury , Olivia Venot , Daniela Ascenzi , Stefanie Milam , Harold Linnartz , Murthy Gudipati , Guillaume Gronoff , Farid Salama , Lisseth Gavilan , Jordy Bouwman , Martin Turbet , Yves Benilan , Bryana Henderson , Natalie Batalha , Rebecca Jensen-Clem , Timothy Lyons , Richard Freedman , Edward Schwieterman , Jayesh Goyal , Luigi Mancini , Patrick Irwin , Jean-Michel Desert , Karan Molaverdikhani , John Gizis , Jake Taylor , Joshua Lothringer , Raymond Pierrehumbert , Robert Zellem , Natasha Batalha , Sarah Rugheimer , Jacob Lustig-Yaeger , Renyu Hu , Eliza Kempton , Giada Arney , Mike Line , Munazza Alam , Julianne Moses , Nicolas Iro , Laura Kreidberg , Jasmina Blecic , Tom Louden , Paul Molliere , Kevin Stevenson , Mark Swain , Kimberly Bott , Nikku Madhusudhan , Joshua Krissansen-Totton , Drake Deming , Irina Kitiashvili , Evgenya Shkolnik , Zafar Rustamkulov , Leslie Rogers , Laird Close

Models of stellar spectra are necessary for interpreting light from individual stars, planets, integrated stellar populations, nebulae, and the interstellar medium. We provide a comprehensive and homogeneous collection of synthetic spectra…

Solar and Stellar Astrophysics · Physics 2018-10-10 Carlos Allende Prieto , Lars Koesterke , Ivan Hubeny , Manuel A. Bautista , Paul S. Barklem , Sultana N. Nahar

We describe a new version (numbered 3.1) of NASA's Meteoroid Engineering Model (MEM) in which we extend the model to handle locations that lie more than a few degrees in latitude off the ecliptic plane. We provide our algorithms for…

Earth and Planetary Astrophysics · Physics 2025-12-11 Althea V. Moorhead , Petr Pokorný , Marcus A. Holden , William Kosmann

A new three-dimensional model of the solar photosphere is presented in this paper and made publicly available to the community. This model has the peculiarity that it has been obtained by inverting spectro-polarimetric observations, rather…

Solar and Stellar Astrophysics · Physics 2015-05-27 H. Socas-Navarro

Capabilities and the number of vision-based models are increasing rapidly. And these vision models are now able to do more tasks like object detection, image classification, instance segmentation etc. with great accuracy. But models which…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Parvesh Saini , Soumyadipta Maiti , Beena Rai

We describe a new, free and open source semi-analytic model of galaxy formation, Galacticus. The Galacticus model was designed to be highly modular to facilitate expansion and the exploration of alternative descriptions of key physical…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Andrew J. Benson

Studies of future space- and ground-based exoplanet surveys often rely on models of planetary systems to simulate instrument response, estimate scientific yields, perform trade analyses, and study efficient observation strategies. Until…

Earth and Planetary Astrophysics · Physics 2022-02-09 Christopher C. Stark