Debian Science Astronomy packages

Le programme aa calcule les positions orbitales des corps planétaires et réalise des réductions de coordonnées rigoureuses pour l'emplacement apparent géocentrique et topocentrique (altitude et azimuth locaux). Il réduit aussi les positions du catalogue d'étoiles données dans le système FK4 ou FK5. Les données pour les 57 étoiles de navigation sont incluses. La plupart des algorithmes employés viennent du l'Almanach Astronomique (AA) publié par le U.S. Government Printing Office.

Le programme aa suit les algorithmes rigoureux pour la réduction des coordonnées célestes exactement comme expliqué dans les éditions courantes de l'Almanach Astronomique. La réduction vers la place apparente géocentrique a été vérifiée par une version spéciale du programme (aa200) qui prend les positions planétaires directement depuis l'intégration numérique DE200 du système solaire du Jet Propulsion Laboratory. Les résultats sont exactement en accord avec les tables de l'Almanach Astronomique de 1987 et après (les almanachs précédents utilisaient des méthodes de réduction légèrement différentes).

Certains calculs, comme la correction de nutation, ne sont pas donnés explicitement dans le AA mais y sont référencés. Dans ces cas le programme fait les calculs complets qui sont utiles pour construire les tables de l'Almanach (des références sont données).

The goal of Milkyway@Home is to use the BOINC platform to harness volunteered computing resources in creating a highly accurate three dimensional model of the Milky Way galaxy using data gathered by the Sloan Digital Sky Survey. This project enables research in both astroinformatics and computer science.

In computer science, the project is investigating different optimization methods which are resilient to the fault-prone, heterogeneous and asynchronous nature of Internet computing; such as evolutionary and genetic algorithms, as well as asynchronous newton methods. While in astroinformatics, Milkyway@Home is generating highly accurate three dimensional models of the Sagittarius stream, which provides knowledge about how the Milky Way galaxy was formed and how tidal tails are created when galaxies merge.

This package contains the Milkyway@home application for the BOINC distributed computing platform. Note that this package has been primarily created for users of architectures for which Milkyway@home does not provide its application. If your architecture is x86 or AMD64 the BOINC client automatically downloads the latest Milkyway@home application if you participate in this project. There is no need to install this package then.

SETI@home is a distributed computing project using Internet-connected computers for the Search for Extraterrestrial Intelligence (SETI). It searches for possible evidence of extraterrestrial intelligence in radio transmissions collected by the Arecibo radio telescope.

This package contains the SETI@home Enhanced application for the BOINC distributed computing platform. The BOINC client downloads the radio data which the SETI@home application analyzes looking for signals of extraterrestrial origin. Results are then send back to the SETI@home server by the BOINC client.

Note that this package has been primarily created for users of architectures for which SETI@home does not provide its application. If your architecture is x86 or AMD64 the BOINC client automatically downloads the latest SETI@home application if you participate in this project. There is no need to install this package then, except for it to take all technical hurdles from you to have your very custom SETI patch or new compiler flags evaluated. The configuration of BOINC to find the local SETI binary is all performed by the package.

Celestia est un logiciel libre d'astronomie en 3D. Basé sur le catalogue Hipparcos, il permet d'afficher des objets allant de la taille d'un satellite à celle de galaxies entières en 3 dimensions avec OpenGL. Contrairement à la plupart des logiciels de planétarium, l'utilisateur est libre de se déplacer à travers l'univers.

Ceci est un paquet factice qui sélectionne au moins un frontal pour Celestia.

EsoRex is the European Southern Observatory (ESO) Recipe Execution Tool. It can list, configure and execute CPL-based recipes from the command line.

The Common Pipeline Library (CPL) comprises a set of ISO-C libraries that provide a comprehensive, efficient and robust software toolkit. It forms a basis for the creation of automated astronomical data-reduction tasks.

One of the features provided by the CPL is the ability to create data-reduction algorithms that run as plugins (dynamic libraries). These are called "recipes" and are one of the main aspects of the CPL data-reduction development environment.

FITS (Flexible Image Transport System) is a data format most used in astronomy. PyFITS is a Python module for reading, writing, and manipulating FITS files. The module uses Python's object-oriented features to provide quick, easy, and efficient access to FITS files. The use of Python's array syntax enables immediate access to any FITS extension, header cards, or data items.

This package provides a script a command line script based on pyfits for verifying and updating the CHECKSUM and DATASUM keywords of FITS files. It can also detect and often fix other FITS standards violations.

Fv provides a graphical user interface to data stored in FITS (Flexible Image Transport System) files. Local files can be created, viewed and edited, files on the internet can be opened read-only through the http and ftp protocols. Through the POWplot program, FITS data can be visualized in a large variety of styles. An interface to the SkyView online database allows for searching, downloading, and plotting of images and object lists for a region of the sky.

Funtools, is a "minimal buy-in" FITS library and utility package developed at the High Energy Astrophysics Division of SAO. The Funtools library provides simplified access to a wide array of file types: standard astronomical FITS images and binary tables, raw arrays and binary event lists, and even tables of ASCII column data. A sophisticated region filtering library (compatible with ds9) filters images and tables using boolean operations between geometric shapes, support world coordinates, etc. Funtools also supports advanced capabilities such as optimized data searching using index files.

This package contains the tools.

Gcx is an astronomical image processing and data reduction tool, with an easy to use graphical user interface. It provides a complete set of data reduction functions for CCD photometry, with frame WCS fitting, automatic star identification, aperture photometry of target and standard stars, single-frame ensemble photometry solution finding, multi-frame color coefficient fitting, extinction coefficient fitting, and all-sky photometry; as well as general-purpose astronomical image processing functions (bias, dark, flat, frame alignment and stacking); It can function as a FITS viewer.

The program can control CCD cameras and telescopes, and implement automatic observation scripting. Cameras are controlled through a hardware-specific server, to which gcx connects through a TCP socket. It generates FITS files with comprehensive header information.

Gpredict is a real time satellite tracking program for GNOME, based on the tracking engine of John Magliacane's excellent satellite tracker Predict.

Gpredict includes the following features:

• Tracking an infinite number of satellites limited only by the physical memory and processing power of the computer.
• Display the tracking data in lists, maps, polar plots or any combination of these.
• You can have many modules open at the same time, either in a notebook or in their own windows. The module can also run in full-screen mode.
• You can use many ground stations. Ground station coordinates can be entered manually or you can get some approximate values from a list with more than 2000 predefined locations worldwide.
• Predict upcoming passes for satellites, including passes where a satellite may be visible and communication windows open.
• Very detailed information about both the real time data and the predicted passes.
• Gpredict can run in real-time, simulated real-time (fast forward and backward), and manual time control.
• Doppler tuning of radios via Hamlib rigctld.
• Antenna rotator control via Hamlib rotctld.

Gyoto is a framework for computing geodesics in curved space-times. The gyoto utility program uses this framework to compute images of astronomical objects in the vicinity of compact objects (e.g. black-holes). Such images are distorted by strong gravitational lensing. The gyoto program takes a scenery description in XML format, computes this scenery using relativistic ray-tracing, and saves the result in FITS format.

More complex uses of the Gyoto framework can be achieved using the yorick-gyoto package. Gyoto can be extended with plug-ins (see libgyoto0-dev).

KStars est un planétarium pour le bureau KDE qui réalise une simulation graphique précise du ciel nocturne, pour n'importe quelle position sur Terre, à n'importe quelle date et heure. Il peut afficher 130 000 étoiles, 13 000 objets éloignés, les 8 planètes, le soleil et la lune ainsi que des milliers de comètes et astéroïdes. Il inclut également des outils pour les calculs astronomiques et peut contrôler des télescopes et caméras.

Ce paquet fait partie du module éducatif de KDE.

Light Speed! is an OpenGL-based program which illustrates the effects of special relativity on the appearance of moving objects. When an object accelerates past a few million meters per second, these effects begin to grow noticeable, becoming more and more pronounced as the speed of light is approached. These relativistic effects are viewpoint-dependent, and include shifts in length, object hue, brightness and shape.

The moving object is, by default, a geometric lattice. 3D Studio and LightWave 3D objects may be imported as well. Best of all, the simulator is completely interactive, rendering the exotic distortions in real-time!

Cette application est dédiée au traitement d'images astronomiques (essentiellement planétaires) prises avec une webcam via un télescope. Il a été créé sous Mac OS X.

OpenUniverse (OU pour faire court) est un simulateur d'espace OpenGL amusant, rapide et libre. Il est actuellement focalisé sur le système solaire et vous permet de visiter toutes ses planètes, la plupart des lunes majeures et un grand choix de petits corps en 3D colorisée, magnifique et temps réel. Si vous n'avez jamais eu la chance de visiter Mercure ou l'astéroïde Geographos, ici, vous allez les voir de la même manière, suivre exactement le même chemin que si vous y étiez.

Notez que OpenUniverse n'est actuellement plus maintenu activement et que les utilisateurs sont invités à utiliser Celestia à la place.

This is a satellite tracking program. It is probably mostly of interest to users of amateur satellites, but includes support for optionally announcing azimuth and elevation to help in manual antenna pointing, or optical observation of satellites.

The upstream predict sources include a front-end called 'map', which is called predict-map in the Debian package.

The 'ntp' package is suggested because accurate satellite tracking depends on precise knowledge of ground station time and location.

The astropy package contains core functionality and some common tools needed for performing astronomy and astrophysics research with Python. It is expected to be extended by a number of "affiliated packages" that are intended to work with the core package.

The current release is a developer preview.

This module can list, configure and execute CPL-based recipes from Python. The input, calibration and output data can be specified as FITS files or as pyfits objects in memory.

The Common Pipeline Library (CPL) comprises a set of ISO-C libraries that provide a comprehensive, efficient and robust software toolkit. It forms a basis for the creation of automated astronomical data-reduction tasks.

One of the features provided by the CPL is the ability to create data-reduction algorithms that run as plugins (dynamic libraries). These are called "recipes" and are one of the main aspects of the CPL data-reduction development environment.

The XPA messaging system provides seamless communication between many kinds of Unix programs, including Tcl/Tk programs such as ds9. The pyds9 module uses a Python interface to XPA to communicate with ds9. It supports communication with all of ds9’s XPA access points.

FITS (Flexible Image Transport System) is a data format most used in astronomy. PyFITS is a Python module for reading, writing, and manipulating FITS files. The module uses Python's object-oriented features to provide quick, easy, and efficient access to FITS files. The use of Python's array syntax enables immediate access to any FITS extension, header cards, or data items.

This package provides PyFITS on the Python 2 module path. It is complemented by python3-pyfits.

This is a thin wrapper around the high- and mid-level interfaces of Dr. Mark Calabretta's WCSLIB for handling the World Coordinate System.

In addition, there are extensions (written in C) to support Spitzer Simple Imaging Polynomial (SIP) convention keywords and Paper IV table lookup distortion.

FITS (Flexible Image Transport System) is a data format most used in astronomy. PyFITS is a Python module for reading, writing, and manipulating FITS files. The module uses Python's object-oriented features to provide quick, easy, and efficient access to FITS files. The use of Python's array syntax enables immediate access to any FITS extension, header cards, or data items.

This package provides PyFITS on the Python 3 module path. It is complemented by python-pyfits.

qfits is a stand-alone library written in C to interact with files complying with the FITS format, which is a data format most used in astronomy.

This package includes tools for simple manipulations of FITS files.

SAOImage DS9 is an astronomical imaging and data visualization application. DS9 supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps. It provides for easy communication with external analysis tasks and is highly configurable and extensible via XPA and SAMP.

All versions and platforms support a consistent set of GUI and functional capabilities.

DS9 supports advanced features such as 2-D, 3-D and RGB frame buffers, mosaic images, tiling, blinking, geometric markers, colormap manipulation, scaling, arbitrary zoom, cropping, rotation, pan, and a variety of coordinate systems.

The GUI for DS9 is user configurable. GUI elements such as the coordinate display, panner, magnifier, horizontal and vertical graphs, button bar, and color bar can be configured via menus or the command line.

SaVi allows you to simulate satellite orbits and coverage, in two and three dimensions. SaVi is particularly useful for simulating satellite constellations such as Iridium and Globalstar.

SaVi can use Geomview, an optional but useful package, for 3D rendering.

Seesat5 utilise l'algorithme sgp4 du NORAD pour calculer la position d'un satellite. Plusieurs méthodes de filtrage sont fournies par Seesat5 afin que seuls les satellites qui peuvent être réellement vus soient présentés dans le rapport. Ce dernier inclut l'orientation et le site en fonction de la position de l'observateur ainsi que d'autres informations pouvant lui être utiles.

Même si un observateur n'en a pas l'usage, le programme peut être utilisé pour rapporter la position même si elle se trouve sous l'horizon. Pour des satellites radio comme la série des Oscar, l'instant d'émergence au-dessus de l'horizon est l'une des informations intéressantes que ce programme peut fournir.

Find sources, such as stars and galaxies, in astronomical images. The input data files are in FITS file format, and are analyzed to compute the locations of sources, with the ability to distinguish between galaxies and stars using a neural-network technique.

This package allows the installation and removal of astronomy catalogues, converting those catalogues to astronomy programs' data formats.

All stardata catalogues conforming to stardata-common policy are converted automatically at installation time to the formats of astronomy programs that support stardata-common.

The register-stardata program is transparent for the user; this program is called automatically when any astronomy package conforming to the stardata-common policy is installed, upgraded or removed.

StarPlot est un programme basé sur GTK+ qui peut être utilisé de manière interactive pour voir les cartes stellaires en perspective 3D. Ces graphiques peut être recentrés, tournés, zoomés ou dézoomés avec un clic de la souris (ceci peut aussi bien sûr être réalisé avec des boîtes de dialogue pour plus de précision). Les étoiles peuvent être visualisées (ou ignorées) par classe spectrale ou magnitude absolue.

StarPlot et empaqueté avec starconvert, un utilitaire qui convertit les enregistrements stellaires orientés en ligne dans le format de StarPlot. La plupart des données d'étoiles disponibles peuvent être converties de cette manière si un petit fichier qui décrit le format initial est fourni à starconvert.

Stellarium renders 3D photo-realistic skies in real-time. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

Some features:

• default star catalogue with over 600 thousand stars,
• information about the brightest stars (spectral type, distance, etc.),
• downloadable star catalogue extensions, for up to 210 million stars,
• all New General Catalogue (NGC) objects,
• images of almost all Messier objects and the Milky Way,
• real time positions of the planets and their satellites,
• 13 different cultures with their constellations,
• artistic illustrations of the 88 Western constellations,
• very realistic atmosphere, sunrise and sunset,
• 7 panoramic landscapes (more can be made or downloaded from the website),
• scripting with ECMAScript,
• plug-in support: Stellarium comes with 8 plug-ins by default, including:
• artificial satellites plug-in (updated from an on-line TLE database),
• ocular simulation plug-in (shows how objects look like in a given ocular),
• Solar System editor plug-in (imports comet and asteroid data from the MPC),
• telescope control plug-in (Meade LX200 and Celestron NexStar compatible).

Stellarium should not be used for very high accurate calculation or ephemerids like eclipse predictions. However, it is the ideal program to prepare an observation evening with naked eye, binocular, or small telescope.

WCSLIB is a C library, supplied with a full set of Fortran wrappers, that implements the "World Coordinate System" (WCS) standard in FITS (Flexible Image Transport System).

This package contains the utility programs fitshdr, wcsware, and HPXcvt that are included in wcslib.

WCSTools is a set of software utilities, written in C, which create, display and manipulate the world coordinate system of a FITS or IRAF image, using specific keywords in the image header which relate pixel position within the image to position on the sky. Auxillary programs search star catalogs and manipulate images.

This package contains the binary tools.

Orbit Reconstruction, Simulation and Analysis (ORSA) is a framework for Celestial Mechanics investigations. The main goals of the project are the implementation of state of the art orbit integration algorithms, with concerns on accuracy and performance, and the development of a number of analysis tools.

This package contains xorsa, the main graphical application provided by the ORSA project. It is an interactive tool for scientific grade Celestial Mechanics computations. Asteroids, comets, artificial satellites, Solar, and extra-Solar planetary systems can be accurately reproduced, simulated and analyzed.

The XPA messaging system provides seamless communication between many kinds of Unix programs, including X programs and Tcl/Tk programs. It also provides an easy way for users to communicate with these XPA-enabled programs by executing XPA client commands in the shell or by utilizing such commands in scripts. Because XPA works both at the programming level and the shell level, it is a powerful tool for unifying any analysis environment: users and programmers have great flexibility in choosing the best level or levels at which to access XPA services, and client access can be extended or modified easily at any time.

This package contains the additional tools.

Xplanet renders an image of a planet into an X window or a file. All of the major planets and most satellites can be drawn, and different map projections are also supported, including azimuthal, hemisphere, Lambert, Mercator, Mollweide, Peters, polyconic, and rectangular.

In order to run xplanet, you'll need at least one map file. Some maps are included in the xplanet-images package.

Xplanet renders an image of a planet into an X window or a file.

In order to run xplanet, you'll need at least one map file. This package includes some map files that can be used with xplanet.

Yorick is an interpreted programming language for:

• scientific simulations or calculations
• postprocessing or steering large simulation codes
• interactive scientific graphics
• reading, writing, and translating large files of numbers

The yorick-full metapackage installs Yorick together with the full set of add-ons packaged for Debian.

You may prefer to only install the yorick package and cherry-pick the yorick-* add-ons you need.

If you need MPY, the MPI parallel version of Yorick, please install either yorick-mpy-openmpi or yorick-mpy-mpich2 in addition.

PDL gives standard perl the ability to COMPACTLY store and SPEEDILY manipulate the large N-dimensional data arrays which are the bread and butter of scientific computing. The idea is to turn perl in to a free, array-oriented, numerical language in the same sense as commercial packages like IDL and MatLab. One can write simple perl expressions to manipulate entire numerical arrays all at once. For example, using PDL the perl variable $a can hold a 1024x1024 floating point image, it only takes 4Mb of memory to store it and expressions like $a=sqrt($a)+2 would manipulate the whole image in a few seconds.

A simple interactive shell (perldl) is provided for command line use together with a module (PDL) for use in perl scripts.

ScientificPython is a collection of Python modules that are useful for scientific computing. Most modules are rather general, others belong to specific domains and will be of interest to only a small number of users (e.g. the module Scientific.IO.PDB). Almost all modules make extensive use of Numerical Python (NumPy)

CelestLab is a library of space flight dynamics functions written in Scilab. This library has been developed and is maintained by the CNES (Centre National d'Etudes Spatiales) for mission analysis purposes. The library is used by CNES for the trajectory analysis and orbit design for various type of missions. CelestLab gathers in ten modules about 200 functions that allow mission designers to perform various tasks such as: orbit propagation, attitude computation, elementary manoeuvre computation, change of reference frames, change of coordinates, three body orbit analysis. CelestLab has been validated against the CNES flight dynamics reference software. Selected examples from mission analysis typical studies are provided in the CelestLab help pages.

Thanks to this toolbox, a user can overload user-defined functions as if they were built-in functions.

This provides the capabilities to overload low-level Scilab's internal features.

Scilab library interfaces the MySQL C library. This module allows access to all functions available in the MySQL library in order to manage databases.

sunclock est une application X11 qui affiche une carte de la Terre et indique la portion illuminée du globe en dessinant les portions éclairées en sombre sur fond clair et inversement. En plus de fournir l'heure locale pour la zone horaire par défaut, elle affiche aussi les heures GMT, légales et solaires des villes principales, leur latitude et longitude et les distances entre des endroits de la terre choisis au hasard. sunclock peut afficher les méridiens, les parallèles, les tropiques et les cercles arctiques. Elle possède des fonctions internes qui accélèrent la vitesse du temps et montrent l'évolution des saisons.

XTide is a package that provides tide and current predictions in a wide variety of formats. Graphs, text listings, and calendars can be generated, or a tide clock can be provided on your desktop.

XTide can work with the X window system, plain text terminals, or the web. This is accomplished with three separate programs: the interactive interface (xtide), the non-interactive or command line interface (tide), and the web interface (xttpd).

The algorithm that XTide uses to predict tides is used by the National Ocean Service in the U.S. It is significantly more accurate than the simple tide clocks that can be bought in novelty stores. However, it takes more to predict tides accurately than just a spiffy algorithm -- data are required for every tidal prediction location. This package provides a sample data set for only one location so you can try out the package, but anything useful requires the data packaged in the xtide-data package (or downloaded from the XTide ftp site).

XTide is a package that provides tide and current predictions in a wide variety of formats. Graphs, text listings, and calendars can be generated, or a tide clock can be provided on your desktop.

This package provides the harmonics data used by the xtide package to display tidal information for most parts of the world. The data are packaged separately from xtide because they may be updated separately.

Some data omitted from the upstream harmonics file because of restrictions on commercial distribution and were included in the non-free package xtide-data-nonfree.

Cubeview is a viewer for 3D data store in FITS files, a file format extensively used among astronomers. It is specialized in displaying spectro-imaging data but can be used to do basic visualization on any FITS file containing a 3D array.

Cubeview features a stand-alone graphical user interface which adheres to the GTK+ look-and-feel. Being written (mostly) in Yorick, it is inherently scriptable. A system of hooks allows custom actions to be repeated automatically when certain events occur.

Gyoto aims at providing a framework for computing orbits and ray-traced images in General relativity.

This package provides a plug-in for the Yorick programing language exposing the Gyoto facilities. It allows using Gyoto interactively from the yorick prompt or running complex Gyoto scripts.

MiRA is an algorithm for image reconstruction from data provided by optical interferometers. It is written in the Yorick language and operated through the Yorick interpreter.

MiRA won the 2008' Interferometric Imaging Beauty Contest organized by International Astronomical Union (IAU) to compare the image synthesis algorithms designed for optical interferometry. In a nutshell, MiRA proceeds by direct minimization of a penalized likelihood. This penalty is the sum of two terms: a likelihood term (typically a χ2) which enforces agreement of the model with the data, plus a regularization term to account for priors. The priors are required to lever the many degeneracies due to the sparseness of the spatial frequency sampling. MiRA implements many different regularizations (quadratic or edge-preserving smoothness, total variation, maximum entropy, etc.) and let the user defines his own priors. The likelihood penalty is modular and designed to account for available data of any kind (complex visibilities, powerspectra and/or closure phase). One of the strength of MiRA is that it is purely based on an inverse problem approach and can therefore cope with incomplete data set; for instance, MiRA can build an image without any Fourier phase information. Input data must be in OI-FITS format.

Spydr (pronounced like spider) basically is an FITS image viewer. It can work as a stand-alone application but is best integrated in a Yorick-based data-analysis work-flow (Yorick is an interpreted language specialized in numerical computations and scientific graphics). It includes tools to zoom, produce cuts, histograms, Gaussian/Moffat fits, PSF fits (inc. FWHM and Strehl). Can work on single images, sequences of images or data cubes.

This package allows one to access the System V Interprocess communication mechanisms from within Yorick:

• message queues;
• semaphore sets;
• shared memory segments. It also exposes related functionality, in particular fork().

This plug-in serves primarily two use cases:

• parallel (multiprocess) computing;
• mixed applications (eg. yorick/python).

Sibling packages are available for Python: python-svipc and python3-svipc.

Yao is a monte-carlo simulation package for adaptive optics. It can be used stand-alone through a GTK-based integrated graphical user interface or as a Yorick language extension. Yao features:

• Shack-Hartmann and Curvature WFS, on or off axis;
• support for Stackarray (piezostack), curvature (bimorph), modal (zernike) and Tip-Tilt deformable mirrors. The altitude of conjugation is adjustable;
• arbitrary number of WFSs and DMs, with the possibility of mixing types. It is therefore possible (and easy) to simulate single DM systems, as well as single non-zero conjugate, GLAO and MCAO systems;
• support for Natural and Laser Guide Stars (or a mix), WFS with photon and read-out noise;
• multi-layered atmospheric model with geometrical propagation only;
• speed-optimized loop: critical routines have been coded in C.

This package provides a star catalog which contains approximately 3800 star records including the known stars nearer to Earth than approximately 80 light-years, taken from the Third Catalogue of Nearby Stars (preliminary edition), Gliese and Jahreiss, 1991.

This stellar data set may be viewed with the StarPlot program available from Debian, but can also be used with other astronomical software.

This package contains both runtime and development libraries. Many routines are included in pgplot for viewing scientific data. Many (about 70) output devices are supported. 2-D , 3-D , contour, image manipulation, etc. are well supported. Interactive routines are included. Both a C and a FORTRAN library are present. See http://astro.caltech.edu/~tjp/pgplot/ for documentation.

World Wind allows any user to zoom from satellite altitude into any place on Earth, leveraging high resolution LandSat imagery and SRTM elevation data to experience Earth in visually rich 3D, just as if they were really there.

These data come from the [Yale] Bright Star Catalog, 5th Rev. Ed. (preliminary), Hoffleit and Warren, 1991. It contains all the stars with apparent magnitude brighter than +6.5.

This stellar data set may be viewed with StarPlot program available from Debian, but can be used with other astronomical software.

Fitsverify is a computer program that rigorously checks whether a FITS (Flexible Image Transport System) data file conforms to all the requirements defined in Version 3.0 of the FITS Standard document.

The casacore package contains the core libraries of the old AIPS++/CASA package. This split was made to get a better separation of core libraries and applications.

This package contains the tools built with the CASAcore package.

IRAF is the "Image Reduction and Analysis Facility". The main IRAF distribution includes a good selection of programs for general image processing and graphics, plus a large number of programs for the reduction and analysis of optical and IR astronomy data. Other external or layered packages are available for applications such as data acquisition or handling data from other observatories and wavelength regimes such as the Hubble Space Telescope (optical), EUVE (extreme ultra-violet), or ROSAT and AXAF (X-ray). These external packages are distributed separately from the main IRAF distribution but can be easily installed. The IRAF system also includes a complete programming environment for scientific applications, which includes a programmable Command Language scripting facility, the IMFORT Fortran/C programming interface, and the full SPP/VOS programming environment in which the portable IRAF system and all applications are written.

OrbFit is a software system allowing one to compute the orbits of asteroids (soon also comets) starting from the observations, to propagate these orbits, and to compute predictions on the future (and past) position on the celestial sphere. It is a tool to be used to find a well known asteroid, to recover a lost one, to attribute a small group of observations, to identify two orbits with each other, to study the future (and/or past) close approaches to Earth, thus to assess the risk of an impact, and more.

OrbFit has been developed by a team of professional scientists, working in the field of asteroid and comet dynamics, orbit determination, nonlinear and chaotic dynamics, and astrometry. The composition of the OrbFit consortium, and the motivations for this work, are described below.

PyRAF is a command language for running IRAF [1] tasks that is based on the Python scripting language. It gives users the ability to run IRAF tasks in an environment that has all the power and flexibility of Python. PyRAF can be installed along with an existing IRAF installation; users can then choose to run either PyRAF or the IRAF CL.

x11iraf provides graphical tools to work with IRAF, notably xgterm and XImtool. Note: IRAF = Image Reduction and Analysis Facility, a general purpose software system for the reduction and analysis of astronomical data.

SpaceChart is a program to display 3d maps of stars and move freely around it. It is capable of showing only a subset of the stars in a given data file, and only those within a given distance of the center of the display. Also, it shows lines between stars that are closer than a given distance.

An OpenGL Solar System simulator which includes the sun, the nine planets, a few major satellites, and background stars.

This package has since been rewritten and repackaged as Celestia, but since that package has significantly higher hardware requirements than ssystem does, this package is being kept around. Celestia has a better looking solar system, more options, and unlike ssystem, is actually still being worked on, so you probably only want to use this if you have older hardware that cannot run Celestia at a reasonable speed.

Stars is an astronomy program that lets you view the sky from your computer.

Except for generating a small rotation matrix and some parameters, all math is integer based, allowing very fast display. At 16 bytes of memory per object, many objects can be loaded at once. Most graphics are antialiased.

Xephem is an interactive astronomical ephemeris program for X Windows systems with Motif. It provides many graphical views as well as quantitative heliocentric, geocentric and topocentric information for Earth satellites, solar system and celestial objects.

This project used to be an official Debian package in 2002 but vanished from the Debian pool of packaged software (for reasons that should be clarified). The URL of the "unofficial" package points to the location where the old package could be found on http://snapshot.debian.net.

There are later upstream versions than this Debian package available.

LinOccult uses the DE405 precomputed major planets ephemeris (position of astronomical object in the sky at a given time) that are provided by the Jet Propulsion Laboratory (JPL) for a precise numerical integration of asteroidal orbits. The user can select asteroids to process by changing several parameters in a configuration file.

Some initial packaging has been performed and will be submitted to pkg-scicomp.alioth.debian.org.

The ESO-MIDAS system provides general tools for image processing and data reduction with emphasis on astronomical applications including imaging and special reduction packages for ESO instrumentation at La Silla and the VLT at Paranal. In addition it contains applications packages for stellar and surface photometry, image sharpening and decomposition, statistics and various others.

The official name, ESO-MIDAS, is a registered trademark. ESO-MIDAS is available under the GNU General Public License (GPL), and can be implemented on OpenVMS and UNIX (Linux) systems.