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.
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.
GSC - The Online HST Guide Star Catalogue
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!
The Hipparcos Catalogue
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.
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.
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!
The Hipparcos Space Astrometry Mission
European Space Agency's Hipparcos mission. Research tools, news, catalogues, education resources, and data.
Catalog of White Dwarf Stars McCook and Sion
A catalog of spectroscopically identified white dwarf stars, by George P. McCook and Edward M. Sion
|