- Astrometric holdings in ADC Archives - Data sets in the Astronomical Data Center's Astrometric, and Positional data holdings. Contains site map, science data, news, and feedback.
- Catalog of White Dwarf Stars McCook and Sion - A catalog of spectroscopically identified white dwarf stars, by George P. McCook and Edward M. Sion
- GSC - The Online HST Guide Star Catalogue -
- Nstars Online Spectra - A spectroscopic survey of 3600 nearby stars within 40pcs earlier than M0. Contains real-time spectral plots, and coordinate lists. Also MK standards.
- The 50 Nearest Stars - Table with details about the 50 nearest stars. Names, distances, constellations, spectral types, magnitudes and coordinates.
- The Double Star Library - The Double Star Library hopes to be a means by which various types of binary and multiple star information can be easily disseminated among binary star astronomers in IAU Commission 26 and related commissions.
- The Hipparcos Catalogue -
- The Hipparcos Space Astrometry Mission - European Space Agency's Hipparcos mission. Research tools, news, catalogues, education resources, and data.
- USNO PMM Star Catalogs - USNO is making the USNO-SA2.0 catalog (54,787,624 stars in all on one CD-ROM) available for free. The full USNO-A2.0 catalog (526,230,881 stars on 10 CD-ROMs) is also available provided you can provide a brief explanation of why USNO-SA2.0 is not sufficient. That's information on over half a billion stars!
- White Dwarf Database - An electronic database of the white dwarf stars.
Media publications
- A New Reduction of the Hipparcos Catalogues - ESA announcement of a recalculation of the data which improves accuracy by compensating for systematic errors of thermal and micrometeoritic origin. (Published 2007.09.27)
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