enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Henry Draper Catalogue - Wikipedia

    en.wikipedia.org/wiki/Henry_Draper_Catalogue

    The Henry Draper Catalogue (HD) is an astronomical star catalogue published between 1918 and 1924, giving spectroscopic classifications for 225,300 stars; it was later expanded by the Henry Draper Extension (HDE), published between 1925 and 1936, which gave classifications for 46,850 more stars, and by the Henry Draper Extension Charts (HDEC), published from 1937 to 1949 in the form of charts ...

  3. List of astronomical catalogues - Wikipedia

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

    WISEA — AllWISE Source Catalog; WISEP — Wide-field Infrared Survey Explorer Preliminary Release Source Catalog; WNC / Winn — Winnecke Catalogue of Double Stars; WNO — Washington Observations (double stars) (U.S. Naval Observatory, Washington D.C.) Wo — Woolley Nearby Star Catalogue; Wolf — Catalogue of High Proper Motion Stars

  4. Blick Art Materials - Wikipedia

    en.wikipedia.org/wiki/Blick_Art_Materials

    Blick Art Materials is a family-owned retailer and catalog art supply business. Established as a mail order business by Dick Blick in 1911 and purchased by Robert Metzenberg in 1947, it is one of the oldest and largest art materials suppliers in the United States, as well as a primary supplier of mail order art supplies.

  5. 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. [4] 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.

  6. Bright Star Catalogue - Wikipedia

    en.wikipedia.org/wiki/Bright_Star_Catalogue

    The catalog lists 9,110 objects, of which 9,095 are stars, 11 are novae or supernovae (which were "bright stars" only at the time when they were at their peak), [1] and four are non-stellar objects which are the globular clusters 47 Tucanae (designated HR 95) and NGC 2808 (HR 3671), and the open clusters NGC 2281 (HR 2496) and Messier 67 (HR 3515).

  7. Specctra - Wikipedia

    en.wikipedia.org/wiki/Specctra

    Specctra is a commercial PCB auto-router originally developed by John F. Cooper and David Chyan of Cooper & Chyan Technology, Inc. (CCT) in 1989. [2] The company and product were taken over by Cadence Design Systems in May 1997.

  8. Tycho-2 Catalogue - Wikipedia

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

    To enable rapid access of specific stars in the catalogue, WCSTools software numbers each star using its Guide Star region number (0001 to 9537) and a five-digit star number within each region, separated by a decimal point. sty2 lists Tycho-2 stars by number or sky region. imty2 lists the Tycho-2 stars within an IRAF or FITS image using the world coordinate system defined in its header.

  9. Rigel - Wikipedia

    en.wikipedia.org/wiki/Rigel

    In 2016, the International Astronomical Union (IAU) included the name "Rigel" in the IAU Catalog of Star Names. [21] [22] According to the IAU, this proper name applies only to the primary component A of the Rigel system. The system is listed variously in historical astronomical catalogs as H II 33, Σ 668, β 555, or ADS 3823.