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  2. List of astronomical catalogues - Wikipedia

    en.wikipedia.org/wiki/List_of_astronomical...

    1RXS — ROSAT All-Sky Bright Source Catalogue, ROSAT All-Sky Survey Faint Source Catalog. 1SWASP — SuperWASP. 2A — see 1A. 2C — Second Cambridge Catalogue of Radio Sources. 2E — The Einstein Observatory Soft X-ray Source List. 2MASS — Two Micron All Sky Survey. 2MASP — Two Micron All Sky Survey, Prototype.

  3. List of academic databases and search engines - Wikipedia

    en.wikipedia.org/wiki/List_of_academic_databases...

    The main academic full-text databases are open archives or link-resolution services, although others operate under different models such as mirroring or hybrid publishers. Such services typically provide access to full text and full-text search, but also metadata about items for which no full text is available.

  4. Library catalog - Wikipedia

    en.wikipedia.org/wiki/Library_catalog

    The Card Catalog at the Library of Congress. A library catalog (or library catalogue in British English) is a register of all bibliographic items found in a library or group of libraries, such as a network of libraries at several locations. A catalog for a group of libraries is also called a union catalog.

  5. Online public access catalog - Wikipedia

    en.wikipedia.org/wiki/Online_public_access_catalog

    Online public access catalog. The online public access catalog ( OPAC ), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.

  6. Tycho-2 Catalogue - Wikipedia

    en.wikipedia.org/wiki/Tycho-2_Catalogue

    The Tycho-2 positions and magnitudes are based on the observations collected by the star mapper of the European Space Agency 's Hipparcos satellite. They are the same observations used to compile the Tycho-1 Catalogue (ESA SP-1200, 1997). However, Tycho-2 is much larger and a bit more precise, because a more advanced reduction technique was used.

  7. List of ISO 3166 country codes - Wikipedia

    en.wikipedia.org/wiki/List_of_ISO_3166_country_codes

    See the ISO 3166-3 standard for former country codes. British Virgin Islands – See Virgin Islands (British) . Burma – See Myanmar . Cape Verde – See Cabo Verde . Caribbean Netherlands – See Bonaire, Sint Eustatius and Saba . China, The Republic of – See Taiwan (Province of China) . Democratic People's Republic of Korea – See Korea ...

  8. Cataloging (library science) - Wikipedia

    en.wikipedia.org/wiki/Cataloging_(library_science)

    v. t. e. In library and information science, cataloging ( US) or cataloguing ( UK) is the process of creating metadata representing information resources, such as books, sound recordings, moving images, etc. Cataloging provides information such as author's names, titles, and subject terms that describe resources, typically through the creation ...

  9. Gaia catalogues - Wikipedia

    en.wikipedia.org/wiki/Gaia_catalogues

    A first version was created in 2013, a more refined version in April 2014. In total, the Attitude Star Catalog contains 8,173,331 entries with information on position, proper motion and magnitude. Starting with Gaia DR2, the Attitude Star Catalog was replaced with a new list generated from the Gaia Main Data Base (MDB), using the same criteria.