Tools
Software
-
SoFiA – The new H i Source Finding Application
- BusyFit – Parametrisation of H i spectra of galaxies by fitting the Busy Function
- FITSviewer – Demonstration of a web application for viewing FITS data cubes
Data
- Sculptor group galaxies
- High-velocity clouds
Observing and Data Reduction
- Reducing ATCA data with AIPS and Miriad
- Reducing WSRT data with AIPS
- Reducing WSRT data with Miriad
- The inband frequency switching method at Effelsberg (in German)
- Additional hints for AIPS
Theory
- Useful equations for radio astronomy
- Redshift and velocity
- Spherical geometry
- Conversion of units
- Conversion of coordinates
- Mathematical functions
- H i mass function
- The virial theorem (in German)
- Radial mass distribution and column density of gas clouds (in German)
Calculators
- Angular separation of two sources in the sky
Computers and Programming
- Random numbers
- Programming guidelines
- Why Python should be used with caution
- Schematic overview of markup languages (HTML and LATEX)
Miscellaneous
- Radio telescopes of the world
- An all-sky map of high-velocity clouds based on the HI4PI Survey
- The current sky over Perth, Australia