Virtual Observatory Services

This incomplete collection of VO links may help navigating our site:

	Footprint Service Everything you would ever want to know about the deepest fields and largest surveys starts here with their coverage on the sky. Here is just a few things you could do on these pages right now: Search for the coverage and exact area of a specific survey by its name or a given position. Find quickly all observations that cover all your favorite objects... Create the formal description of your own obser­vations and calculate the exact area of the over­lapping fields in seconds. You can also visualize the sky coverage of multiple surveys from different angles and in various projections. URL: http://voservices.net/footprint
	Spectrum Service A unique gateway into the world of spectra that has it all: searching, plotting, and various analysis tools accessible via simple user and programming interfaces. Would you like to add to this collection of over a million spectra? Register and upload your favorite spectra and make them publicly availble, so they show up among the results from the Sloan Digital Sky Survey and other measurements. URL: http://voservices.net/spectrum
	Filter Profiles Instrument characteristics are vital for most scientific studies. Here you will find the most relevant and frequently used photometric passbands. This database of filter profiles contains consistently determined properties as well as the detailed transmission curves. Find them based on various criteria and plot them for comparison. Just like the Spectrum Service, this collection is also maintained by the community, meaning you. Login and publish your filters today. URL: http://voservices.net/filter