NVO DataScope

"The HI Parkes All-Sky Survey, or HIPASS, is a 21-cm HI survey of the southern sky undertaken with a multibeam receiver on the Parkes telescope in Australia. The one-dimensional spectral data for a given position is available for downloading in a variety of different formats. The full data release contains data from 388 8^o x 8^o data cubes,  over the  entire  southern  sky,  Decl.  < +2^o (except for a few arcmin near Decl. -90^o)."

"The HEASARC is a source of gamma-ray, X-ray, and extreme ultraviolet observations of cosmic (non-solar) sources. This site provides access to archival data, associated analysis software, documentation, expertise in how to use them, as well as relevant educational and outreach material. This site also provides many general astronomical tools such as SkyView to obtain multiwaveband images of the sky and astronomical catalog searches via the HEASARC Browse and Astrobrowse archive interfaces."

"On these pages you will find tools and tutorials on how to access more than 1,000,000 spectra from the Sloan Digital Sky Survey (SDSS DR1, DR2, DR3) and the 2 degree Field redshift survey (2dFGRS). The services are open to everyone to publish their own spectra in the same framework."

"OpenSkyQuery allows you to cross-match astronomical catalogs and select subsets of catalogs with a general and powerful query language. You can also import a personal catalog of objects and cross-match it against selected databases."

"Using NVO DataScope scientists can discover and explore hundreds of data resources available in the Virtual Observatory. Users can immediately discover what is known about a given region of the sky: they can view survey images from the radio through the X-ray, explore archived observations from multiple archives, find recent articles describing analysis of data in the region, find known interesting or peculiar objects and survey datasets that cover the region."

"A Registry is a distributed database of Virtual Observatory resources -- primarily access services for catalog, image, and spectral data, but also descriptions of organizations and data collections. There are several coordinated registry implementations that share information by harvesting each other's resources. Searches for resources can be done by keyword, or advanced queries can be expressed in the SQL language."

"The Canadian Astronomical Data Center (CADC), the Space Telescope European Coordination Facility (ST-ECF) and the Multimission Archive at STScI (MAST) are pleased to make available combined images from the Wide Field Planetary Camera 2 of the Hubble Space Telescope. These combined images are the products of the basic registration and averaging of related sets of WFPC2 images, referred to as associations, that is usually performed by archival researchers after the retrieval of individual images. As of November 2002, over 15,000 combined images have been created from associations of nearly 50,000 individual WFPC2 images."

"GAVO has implemented standard cone searches on catalogues derived from the ROSAT All Sky Survey (RASS). The Bright and Faint Source Catalogues were loaded into a relational database and a simple query interface provides access to this database for performing a cone search. These catalogues are relatively small and can also be downloaded directly from the ROSAT archive at the Max-Planck-Institut für extraterrestrische Physik (MPE)."

"Rave is an ambitious program to conduct a survey to measure the radial velocities, metallicities and abundance ratios for up to a million stars using the 1.2-m UK Schmidt Telescope of the Anglo-Australian Observatory (AAO), over the period 2003 - 2010. The survey represents a giant leap forward in our understanding of our own Milky Way galaxy, providing a vast stellar kinematic database larger than any other survey proposed for this coming decade. The main data product will be a southern hemisphere survey of about a million stars. This survey would comprise 0.7 million thin disk main sequence stars, 250,000 thick disk stars, 100,000 bulge and halo stars, and a further 50,000 giant stars including some out to 10 kpc from the Sun."