Debian Astro Virtual Observatory packages

ADQL est un langage proche de SQL incluant des outils astronomiques pour interroger une base de données. Ce langage a été défini par l'IVOA dans la recommandation du 30 octobre 2008 (version 2.0) et est principalement utilisé dans le protocole d'accès de tables (TAP).

Fonctionnalités du paquet :

 – analyse : lecture de requêtes ADQL en texte et transformation en objet
    Java (arbre syntaxique) ;
 – manipulation : l'objet généré peut être manipulé pour modifier la
    requête d'origine ;
 – traduction : une interface et quelques implémentations permettent de
    traduire ADQL en d'autres langages comme SQL.

• Debian Astro Team
• Ole Streicher

• 1.5-1 (bullseye)
• 2.0~beta+ds-2 (sid)
• 1.4-1 (buster)
• 2.0~beta+ds-2 (trixie)
• 1.5-2 (bookworm)

• 12 regular users
• 4 recent
• 168 total installations (of 236008 submissions)

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This package sets up a ready-to use VO data center using GAVO's Data Center Helper Suite (DaCHS), in particular by configuring a postgres database backend. The DaCHS server lets data center operators ingest their astronomical data into structured repositories and publish those to the Virtual Observatory.

• Debian Astronomy Team
• Markus Demleitner

• 2.3+dfsg-3 (bullseye)
• 2.7+dfsg-2 (bookworm)
• 2.9.1+dfsg-1 (trixie)
• 2.9.1+dfsg-1 (sid)
• 2.9.3 (upstream)

• 17 regular users
• 25 total installations (of 236008 submissions)

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Le STIL Tool Set est un ensemble d'outils en ligne de commande basés sur STIL, la Starlink Tables Infrastructure Library. Il gère le traitement de données tabulaires. Le paquet a été conçu pour les tables astronomiques telles que les catalogues d'objets, mais il ne se limite pas à cela. Certains outils sont génériques et peuvent fonctionner avec de nombreux formats (y compris FITS, VOTable, CDF, CSV, SQL et ASCII) et d'autres sont spécifiques au format VOTable. D'une certaine manière, STILTS constitue la contrepartie en ligne de commande de l'outil graphique d'analyse de tables TOPCAT. Le paquet est robuste, pleinement documenté et conçu pour être efficace, particulièrement avec de très grands jeux de données.

Ce paquet fournit le paquet Jython.

• Taylor, M. B.: STILTS - A Package for Command-Line Processing of Tabular Data. Astronomical Data Analysis Software and Systems XV 351:666-670 (2006) (eprint)

• Debian Astro Team
• Ole Streicher

• 3.4.9-5 (sid)
• 3.4-2 (bullseye)
• 3.4.9-5 (trixie)
• 3.4.7-4 (bookworm)
• 3.1.5-1 (buster)

• 62 total installations (of 236008 submissions)

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SAVOT (Simple Access to VOTable) is a library which can be used to access VOTables. The VOTable format developed within the framework of the Virtual Observatory (VO) is an XML standard for the interchange of data represented as a set of tables. VOTable is derived from the "Astrores" format, itself modeled on the "FITS Table" format.

SAVOT aims at providing Java VOTable parsers based on different parsing models and at providing small Java VOTable parsers which can be included in applets.

• Debian Astro Team
• Ole Streicher

• 4.0.0-2 (bullseye)
• 4.0.0-2 (buster)
• 4.0.0-2 (trixie)
• 4.0.0-2 (bookworm)
• 4.0.0-1 (stretch)
• 4.0.0-2 (sid)

• 86 total installations (of 236008 submissions)

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'pymoctool' is a command-line Python-based library for manipulating Multi-Order Coverage maps (MOCs).

Frequently astronomical survey catalogues or images are sparse and cover only a small part of the sky. In a Multi-Order Coverage map the extent of data in a particular dataset is cached as a pre-calculated mask image. The hierarchical nature enables fast boolean operations in image space, without needing to perform complex geometrical calculations. Services such as VizieR generally offer the MOC masks, allowing a faster experience in graphical applications such as Aladin, or for researchers quickly needing to locate which datasets may contain overlapping coverage.

The MOC mask image itself is tessellated and stored in NASA HealPix format, encoded inside a FITS image container. Using the HealPix (Hierarchical Equal Area isoLatitude Pixelization) tessellation method ensures that more precision (pixels) in the mask are available when describing complex shapes such as approximating survey or polygon edges, while only needing to store a single big cell/pixel when an coverage is either completely inside, or outside of the mask. Catalogues can be rendered on the mask as circles.

It is written in Python and uses the PyMOC library.

• Debian Astro Team
• Nilesh Patra

• 0.5.0-5 (sid)
• 0.4.2-1 (stretch)
• 0.5.0-5 (bullseye)
• 0.5.0-5 (trixie)
• 0.5.0-4 (buster)
• 0.5.0-5 (bookworm)

• 1 regular users
• 2 recent
• 71 total installations (of 236008 submissions)

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Cette bibliothèque gère les informations spatiotemporelles dans un « observatoire virtuel » (Virtual Observatory – VO) selon la recommandation STC d’IVOA (International Virtual Observatory Alliance).

VO connait deux implémentations pour les métadonnées STC, une en XML appelée STC-X et une implémentation linéaire de chaines appelée STC-S. Cette bibliothèque fournit une prise en charge pour la création et l’analyse d’expressions STC-S et de documents STC-X. De plus, elle fournit diverses fonctions d’assistance pour la transformation entre différents systèmes de coordonnées terrestres, pour traiter des coordonnées célestes, pour l’analyse de temps et les conversions de temps et pour la définition et la conversion d’unités en STC.

• Debian Astronomy Team
• Markus Demleitner

• 2.9.1+dfsg-1 (trixie)
• 2.3+dfsg-3 (bullseye)
• 2.7+dfsg-2 (bookworm)
• 2.9.1+dfsg-1 (sid)
• 2.9.3 (upstream)

• 23 regular users
• 49 total installations (of 236008 submissions)

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PyMOC provides a Python compatible library for handling MOCs.

Frequently astronomical survey catalogues or images are sparse and cover only a small part of the sky. In a Multi-Order Coverage map the extent of data in a particular dataset is cached as a pre-calculated mask image. The hierarchical nature enables fast boolean operations in image space, without needing to perform complex geometrical calculations. Services such as VizieR generally offer the MOC masks, allowing a faster experience in graphical applications such as Aladin, or for researchers quickly needing to locate which datasets may contain overlapping coverage.

The MOC mask image itself is tessellated and stored in NASA HealPix format, encoded inside a FITS image container. Using the HealPix (Hierarchical Equal Area isoLatitude Pixelization) tessellation method ensures that more precision (pixels) in the mask are available when describing complex shapes such as approximating survey or polygon edges, while only needing to store a single big cell/pixel when an coverage is either completely inside, or outside of the mask. Catalogues can be rendered on the mask as circles.

• Debian Astro Team
• Nilesh Patra

• 0.5.0-5 (trixie)
• 0.5.0-5 (sid)
• 0.4.2-1 (stretch)
• 0.5.0-4 (buster)
• 0.5.0-5 (bullseye)
• 0.5.0-5 (bookworm)

• 52 regular users
• 127 total installations (of 236008 submissions)

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SkyView is a "virtual" observatory dynamically generating images of the sky in different wavelength regimes from a static image database. SkyView is intended as a quick look facility to see the heavens.

This package includes the executable.

• T. McGlynn and K. Scollick: SkyView. Astronomical Data Analysis Software and Systems III 61:34 - 37 (1994) (eprint)

• Debian Astro Team
• Emmanuel Bourg

• 3.5.5+repack-2 (bullseye)
• 3.5.6+repack-1 (bookworm)
• 3.5.7+repack-2 (trixie)
• 3.5.7+repack-2 (sid)
• 3.4.2+repack-2 (buster)

• 1 regular users
• 2 recent
• 61 total installations (of 236008 submissions)

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TOPCAT is an interactive graphical viewer and editor for tabular data. Its aim is to provide most of the facilities that astronomers need for analysis and manipulation of source catalogues and other tables, though it can be used for non-astronomical data as well. It understands a number of different astronomically important formats (including FITS and VOTable) and more formats can be added.

This package contains the executable.

• Taylor, M. B.: TOPCAT & STIL: Starlink Table/VOTable Processing Software. Astronomical Data Analysis Software and Systems XIV 347:29-33 (2005) (eprint)

• Debian Astro Team
• Ole Streicher

• 4.6.2-1 (buster)
• 4.9-1 (trixie)
• 4.8.7-3 (bookworm)
• 4.9-1 (sid)
• 4.8-2 (bullseye)

• 8 regular users
• 3 recent
• 86 total installations (of 236008 submissions)

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CASSIS (Centre d'Analyse Scientifique de Spectres Infrarouges et Submillimetriques), is suited for broad-band spectral surveys to speed up the scientific analysis of high spectral resolution observations. It uses a local spectroscopic database made of the two molecular spectroscopic databases JPL and CDMS, as well as the atomic spectroscopic database NIST. Its tools include a LTE model and the RADEX model connected to the LAMDA molecular collisional database. CASSIS can build a line list fitting the various transitions of a given species and to directly produce rotational diagrams from these lists. CASSIS is fully integrated intoHIPE, the Herschel Interactive Processing Environment, as a plug-in.

This is the end user tool.

• E. Caux, S. Bottinelli, C. Vastel and J. M. Glorian: CASSIS, a software package to analyse high spectral resolution observations. IAU Symposium :120 (2011)

• Debian Astro Maintainers
• Ole Streicher

• 5.1.1-1 (VCS)

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Splat-VO is an desktop client for viewing and analysis of Virtual Observatory (VO) spectral data. This graphical tool can display, analyse, compare and modify already extracted spectra stored in FITS, TEXT, and NDF/NDX formats. It can also interact with the Virtual Observatory registery and data-centres to dynamically query and download data for a particular section of the sky on-demand.

Splat-VO can work in multiple coordinate systems and can plot and overlay multiple spectra at the same time. Plots are displayed in a visually rich format. Analysis can be performed by selecting and zooming multiple, and fitting to emission and absorption lines.

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