| 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. |
Classical
