Open Source Linux Astronomy Software - Page 18
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Astronomy Software for Linux
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galprop_propel
GALPROP update for accurate propagation calculation
The GALPROP program (http://galprop.stanford.edu) computes cosmic-ray propagation numerically. To obtain manifestly accurate solutions an explicit method is now available to replace the Crank-Nicolson operator-splitting method. This can be implemented in the public version of GALPROP with the update provided here. Instructions: replace the four files propel.cc, propel_diagnostics, Galdef.cc and Galdef.h and rebuild the executable. Add solution_method and solution_convergence to the galdef parameter file. A test GALDEF file with these parameters is galdef_54_reltest09; the diagnostics document the accuracy of the solution. A full explanation is given in the GALPROP Explanatory Supplement http://www.mpe.mpg.de/~aws/galprop_explanatory_supplement.pdf Thanks to Deepak Khurana for requesting and testing this update. Now replaced by this project: http://sourceforge.net/projects/galprop where further updates can be found. -
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gcr_convert
converts cosmic-ray files from GALPROP for viewing / plotting.
The GALPROP program (http://galprop.stanford.edu) computes cosmic-ray propagation in the Galaxy, in 2D or 3D. The ouput cosmic-ray distribution is in the form of FITS files which however are not convenient for viewing or plotting with the standard ftools program fv, since the files have 4 or 5 dimensional arrays (due to the momentum and species axes) while fv handles only 3 dimensional arrays. This program converts to fv-compatible FITS files, either from 2D to (R,z) or from 3D to (x,z) at y=0 or (x,y) at z=0, in each case for a chosen cosmic-ray species. The third axis is momentum in each case. The distribution can be viewed with fv as a colour image, contoured, output to a file etc. The program is stand-alone and requires only the cfitsio library to be installed. Build instructions are in the program header. The FITS.cc/FITS.h class used provides simple convenient access to image data, useful also for other projects. For fv and cfitsio see http://heasarc.gsfc.nasa.gov/fitsio -
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GCX provides a complete set of data-reduction functions for CCD photometry, accessible both from a GUI and the command line. It also controls CCD cameras and telescopes, and implements automatic observation scripting.
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giza
A scientific plotting library for C/Fortran built on cairo
A 2D scientific plotting library built on cairo. Provides uniform output to pdf, ps, png and X-Windows. Written in C with no dependencies (other than cairo) as a direct replacement for PGPLOT. -
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Graphing System with a C language interface. Astrology program as sample, many others. Uses Qt to do the actual graphics.
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MPI/C++ code to generate initial conditions for cosmological simulations using multiscale gaussian random fields, based on Edmund Bertschinger's GRAFIC-2 package. Provides a replacement for both grafic1 and grafic2.
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hadronic gamma rays
gamma rays from hadronic processes in astrophysics
Cosmic-ray hadronic interaction matrices for gamma-ray and other secondaries for an interstellar medium target are available as described in Huang et al. Astroparticle Physics, 27, 429 (2007). These require significant effort in practice to compute emissivities for given input spectra. To supplement these matrices I provide here a C++ class which reads the matrices, interpolates on user-defined particle and gamma-ray energy grids, and computes the gamma-ray emissivity either differential or in user-defined bands. A sample user program is provided which can be edited to provide the required functionality. See also http://sourceforge.net/projects/galprop, which includes more models. -
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hfsad
Hardware, Firmware, Software for Astronomical Devices
This project is a collection of DIY hardware devices aimed at astronomy, together with their firmwares and softwares. At this moment, it contains a PIC based mount motorization, built for an old EQ5-like mount. The firmware implements the Skywatcher protocol. -
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indi-opencv
OpenCV driver for INDI
This driver allows to connect OpenCV videoCapture devices (cameras or avi files) as INDI CCD devices. In addition to standard CCD features, it supports streaming with stream rate division, together with a real-time histogram display. It also proposes simultaneous AVI recording at full FPS using available codecs. Record file names may be dynamically generated. It is aimed at planetary imaging in INDI and at testing various OpenCV image algorithms. -
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indi-skywatcherprotocol
INDI driver for mounts using the SkyWatcher Protocol through RS232
This INDIdriver interacts with a mount controller using the Skywatcher Protocol through a serial link. It can directly drive Skywatcher and similar mounts through a serial port after a conversion of signal levels (see EQDIRECT interface), or any other mount hardware which uses this protocol. This project is similar in its goal to the EQMOD/EQASCOM project, but for the Linux/INDI world. Thus the name of the INDI device is "EQMod Mount", and the driver executable is indi_eqmod_telescope. ***** Refer to the libindi library ***** The driver is now included in the libindi library as a 3rd party driver (indi-eqmod). -
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jFITS is a Java Swing based application and applet for quickly viewing and performing simple operations on astronomical FITS formatted CCD imaging data.
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Virtual telescope written in Java for mobile phones. Uses CLDC1.1 and MIDP2.0. Tested on mobile phone with 2MB RAM and 60MB storage. The largest catalog uses TYCHO2(2.5M stars) and NGC+ IC(13k DSO) .Sky plotted in dark red. Has desktop version also.
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jnum
Java numerical classes for astronomy and more...
Imagine Numerical Recipes in the 21st century. Fast object-oriented Java code for numerical analysis, with a special focus on astronomical application (coordinate conversions, WCS projections etc.) -
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klathon is an environment in which you can switch between the two languages: Python and CLASS (CLASS is a famous software for astronomy). You can program in one language and switch to the other halfway, thus heavily enhance CLASS's controlling ability.
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kovacs.util (Java numerical classes)
!!! moved to jnum subproject under crush-software !!!
This project has be renamed to jnum and moved under the crush-software project. No further SVN commits here... -
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K-Track is an graphical satellite prediction Program that runs under KDE. It's really accurate as it calculates using the NORAD SGP4/SDP4 Models. It Controls your Rig for doppler compensation / antenna pointing
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La P.A.P.A. (Python Alternative for Programming Astrophysics) want to give an alternative to the astrophysicists (and any one that use RSI-IDL) for start programming in Python using similar functions as IDL and at the same time learn the power of Python.
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libadb
Astronomical Database
libadb is an astronomical catalog management library desgined to provide fast access to astronomical object data. -
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A collection of codes that allow a user to store and use data on quantum levels in a system such as an atom, molecule, or nucleus.
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libnexstar
C API to control NexStar compatible telescopes
This library implements the serial commands supported by the Celestron NexStar hand control (HC) and SkyWatcher/Orion SynScan HC. This applies to the Celestron: NexStar GPS, NexStar GPS-SA, NexStar iSeries, NexStar SE Series, NexStar GT, CPC, SLT, Advanced-VX, Advanced-GT, CGE, CGEM etc. SkyWatcher: EQ5, HEQ5, EQ6 (Pro), AZ-EQ5 GT, AZ-EQ6 GT, EQ8 etc. and the corresponding Orion mounts. Communication to the hand control is 9600 bits/sec, no parity and one stop bit via the RS-232 port on the base of the hand control. Communication can be established over TCP/IP if nexbridge is running on the computer connected to the telescope. To control network based telescopes nexbridge must be used on the remote site. https://sourceforge.net/projects/nexbridge/ -
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Libpsht is a collection of algorithms for efficient conversion between maps on the sphere and their spherical harmonic coefficients. It supports a wide range of pixelisations (including HEALPix, GLESP, and ECP). Development for this libary has stopped; its successor is libsharp (http://sourceforge.net/projects/libsharp).
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libsharp
Library for spherical harmonic transforms (SHT)
NOTE: as of April 24, 2015, libsharp development has moved to Github (https://github.com/dagss/libsharp). Libsharp is a collection of algorithms for efficient conversion between maps on the sphere and their spherical harmonic coefficients. It supports a wide range of pixelisations (including HEALPix, GLESP, and ECP). This library is a successor of libpsht (http://sourceforge.net/projects/libpsht). A scientific overview over the functionality is given in the paper available at http://arxiv.org/abs/1303.4945. -
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libsombrero
Astronomical object/structure detection from 1D and 2D data sets.
Sombrero is a fast wavelet image processing and object detection C library for astronomical images. Sombrero is named after the "Mexican Hat" shape of the wavelet masks used in image convolution and is released under the GNU LGPL library. -
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lin-seti is a command-line program allowing to mantain a cache of work units for the Seti@Home client. Written in C, it should run on most unix-like systems, including linux. It is designed to be cache-compatible with 'Seti Driver' for Windows.