VODesktop Usage Examples
Data access
- Introduction to data access: index to these worksheets
- Data Access Worksheet: some brief examples of images, spectra, catalogue access
- Cone Searches: a worked example of simple access to a table and visualisation of the results
- Queries to databases using ADQL: some example qeries to data held in database management systems (e.g. SDSS, IPHAS, UKIDSS)
Examples for specific datasets
- UKIDSS data
- MERLIN Imager and Cut-out service for MERLIN+VLA HDF(N) images
- IPHAS data
- Hipparcos Newly Reduced Astrometric Catalogue
Data Analysis
- Cross Matching: how to match two or more tables
Python Examples
To run the examples below you will need the Astrogrid python module installed: see Installing and running Astrogrid python
- Search a catalogue for sources in a number of positions
- Search a catalogue for sources in a number of positions (parallel version)
- Search for images covering selected objects or areas
- Cross Match two tables
- Submit an ADQL query to UKIDSS DR1
- Cross Match two tables returned by ADQL queries (IPHAS + 2MASS)
- Convert between file formats (eg. VOTABLE to FITS)
- Extract objects from images using SExtractor
These and other Python scripts are available as a tar file: python.tar.gz.
Solar and STP Examples
- Hinode EIS data access
- Querying the Solar Event Catalogue
- Solar Movie Maker
- VOTada: CHIANTI on AstroGrid
- Running the CTIP model