Debian Astro Radio Astronomy packages

AOFlagger est un outil qui peut trouver et supprimer les interférences des fréquences radio (RFI) dans les observations radioastronomiques. Son code a été fortement optimisé pour la rapidité et la précision. Il est utilisé par défaut par le radiotélescope LOFAR, et donc en phase de production. Le logiciel peut être exécuté de façon totalement automatique, mais une interface graphique est fournie pour analyser les résultats et mettre au point les stratégies. Le format de fichier d'entrée privilégié est le format Measurement Set (MS) de CASA.

Ce paquet fournit le fichier d'en-têtes pour compiler les programmes avec la bibliothèque.

• A. R. Offringa, A. G. de Bruyn, M. Biehl, S. Zaroubi, G. Bernardi and V. N. Pandey: Post-correlation radio frequency interference classification methods. Monthly Notices of the Royal Astronomical Society 405:155 - 167 (2010) (eprint)

• Debian Astro Team
• Phil Wyett

• 2.13.0-1 (buster)
• 2.9.0-1 (stretch)
• 3.4.0-3 (sid)
• 3.4.0-3 (trixie)
• 3.1.0-2 (bookworm)
• 3.0.0-2 (bullseye)

• 4 regular users
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Le paquet casacore fournit les bibliothèques principales de l'ancien paquet AIPS++/CASA (« Common Astronomy Software Applications »). Cette séparation permet de mieux isoler les bibliothèques principales des applications.

Ce paquet fournit les fichiers pour le développement d'applications.

• Debian Astro Team
• Ole Streicher

• 3.5.0-2 (bookworm)
• 3.3.0-4 (bullseye)
• 3.0.0-4 (buster)
• 2.2.0-2 (stretch)
• 3.6.1-3 (sid)
• 3.6.1-3 (trixie)

• 8 regular users
• 10 recent
• 88 total installations (of 247424 submissions)

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PURIFY is a collection of routines written in C that implements different tools for radio interferometric imaging including file handling (for both visibilities and fits files), implementation of the measurement operator and set-up of the different optimization problems used for image deconvolution. The code calls the generic Sparse OPTimization (SOPT) package to solve the imaging optimization problems.

This package contains the development files.

• Luke Pratley, Jason D. McEwen, Mayeul d'Avezac, Rafael E. Carrillo, Alexandru Onose and Yves Wiaux: Robust sparse image reconstruction of radio interferometric observations with PURIFY. Mon. Not. Roy. Astron. Soc., submitted (2016) (eprint)

• Debian Astro Team
• Ole Streicher

• 4.1.0-1 (trixie)
• 2.0.0-5 (bullseye)
• 2.0.0-4 (buster)
• 2.0.0-1 (stretch)
• 4.1.0-1 (sid)
• 4.2.0 (upstream)

• 5 recent
• 53 total installations (of 247424 submissions)

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PURIFY is a collection of routines written in C that implements different tools for radio interferometric imaging including file handling (for both visibilities and fits files), implementation of the measurement operator and set-up of the different optimization problems used for image deconvolution. The code calls the generic Sparse OPTimization (SOPT) package to solve the imaging optimization problems.

• Luke Pratley, Jason D. McEwen, Mayeul d'Avezac, Rafael E. Carrillo, Alexandru Onose and Yves Wiaux: Robust sparse image reconstruction of radio interferometric observations with PURIFY. Mon. Not. Roy. Astron. Soc., submitted (2016) (eprint)

• Debian Astro Team
• Ole Streicher

• 4.1.0-1 (sid)
• 2.0.0-1 (stretch)
• 2.0.0-4 (buster)
• 2.0.0-5 (bullseye)
• 4.1.0-1 (trixie)
• 4.2.0 (upstream)

• 5 recent
• 53 total installations (of 247424 submissions)

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Le paquet casacore fournit les bibliothèques principales de l'ancien paquet AIPS++/CASA («⋅Common Astronomy Software Applications⋅»). Cette séparation permet de mieux isoler les bibliothèques principales des applications. CASA est maintenant construit sur casacore.

Ce paquet fournit une enveloppe de Python autour de la bibliothèque.

• Debian Astro Team
• Ole Streicher

• 3.5.2-1 (sid)
• 2.1.2-3 (stretch)
• 3.3.1-1 (bullseye)
• 3.0.0-1 (buster)
• 3.5.2-1 (bookworm)
• 3.5.2-1 (trixie)
• 3.6.1 (upstream)

• 29 regular users
• 19 recent
• 228 total installations (of 247424 submissions)

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Le paquet spectral-cube fournit un moyen simple de lire, manipuler, analyser et écrire des cubes multidimensionnels de données avec deux dimensions de position et une dimension spectrale, et, de manière facultative, avec des paramètres de Stokes.

• A. Ginsburg, T. Robitaille, C. Beaumont, E. Rosolowsky, A. Leroy, C. Brogan, T. Hunter, P. Teuben and D. Brisbin: Radio Astronomy Tools in Python: Spectral-cube, pvextractor, and more. Revolution in Astronomy with ALMA: The Third Year :363 (2015) (eprint)

• Debian Astronomy Team
• Ole Streicher

• 0.5.0-1 (bullseye)
• 0.6.0-3 (bookworm)
• 0.4.0-2 (stretch)
• 0.4.3-2 (buster)
• 0.6.5-4 (sid)
• 0.6.5-4 (trixie)

• 14 regular users
• 20 recent
• 177 total installations (of 247424 submissions)

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WSClean (w-stacking clean) is a fast generic widefield imager. It uses the w-stacking algorithm and can make use of the w-snapshot algorithm. As of Feb 2014, it is 2-12 times faster than CASA's w-projection, depending on the array configuration. It supports full-sky imaging and proper beam correction for homogeneous dipole arrays such as the MWA.

WSClean allows Hogbom and Cotton-Schwab cleaning, and can clean polarizations joinedly. All operations are performed on the CPU (it is not specialized for GPUs).

This package contains the static library and the header file to compile own programs against the library.

• A. R. Offringa, B. McKinley, N. Hurley-Walker, F. H. Briggs, R. B. Wayth, D. L. Kaplan, M. E. Bell, L. Feng, A. R. Neben, J. D. Hughes, J. Rhee, T. Murphy, N. D. R. Bhat, G. Bernardi, J. D. Bowman, R. J. Cappallo, B. E. Corey, A. A. Deshpande, D. Emrich, A. Ewall-Wice, B. M. Gaensler, R. Goeke, L. J. Greenhill, B. J. Hazelton, L. Hindson, M. Johnston-Hollitt, D. C. Jacobs, J. C. Kasper, E. Kratzenberg, E. Lenc, C. J. Lonsdale, M. J. Lynch, S. R. McWhirter, D. A. Mitchell, M. F. Morales, E. Morgan, N. Kudryavtseva, D. Oberoi, S. M. Ord, B. Pindor, P. Procopio, T. Prabu, J. Riding, D. A. Roshi, N. U. Shankar, K. S. Srivani, R. Subrahmanyan, S. J. Tingay, M. Waterson, R. L. Webster, A. R. Whitney, A. Williams and C. L. Williams: WSCLEAN: an implementation of a fast, generic wide-field imager for radio astronomy. Monthly Notices of the Royal Astronomical Society 444:606 - 619 (2014) (eprint)

• Debian Astro Team
• Ole Streicher

• 2.10.1-1 (bullseye)
• 2.6-1 (buster)
• 2.2.1-1 (stretch)
• 3.1-3 (bookworm)
• 3.4-3 (trixie)
• 3.4-3 (sid)

• 4 regular users
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• 86 total installations (of 247424 submissions)

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Aperture synthesis or synthesis imaging is a type of interferometry that mixes signals from a collection of telescopes to produce images having the same angular resolution as an instrument the size of the entire collection. At each separation and orientation, the lobe-pattern of the interferometer produces an output which is one component of the Fourier transform of the spatial distribution of the brightness of the observed object. The image (or "map") of the source is produced from these measurements. Astronomical interferometers are commonly used for high-resolution optical, infrared, submillimetre and radio astronomy observations.

This package contains the header files for development.

• Debian Astro Team
• Gijs Molenaar

• 0.1-1 (VCS)

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The OSKAR package consists of a number of open source libraries and applications for the simulation of astronomical radio interferometers. OSKAR has been designed primarily to produce simulated data from large aperture arrays, such as those envisaged for the SKA.

• F. Dulwich, B. J. Mort, S. Salvini, K. Zarb Adami and M. E. Jones: OSKAR: Simulating Digital Beamforming for the SKA Aperture Array. Wide Field Astronomy & Technology for the Square Kilometre Array :31 (2009) (eprint)

• Debian Astro Team
• Gijs Molenaar

• 2.6.1-1 (VCS)

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SAGECal is a very fast, memory efficient and GPU accelerated radio interferometric calibration program. It can handle all source models including points, Gaussians and Shapelets. It can calibrate along hundreds of directions without running out of memory in almost real time. Intel Xeon Phi acceleration is also available. Distributed calibration using MPI and consensus optimization is enabled. Also tools to build/restore sky models are included.

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