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  2. List of stars in Orion - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_in_Orion

    • Notes = Common name(s) or alternate name(s); comments; notable properties [for example: multiple star status, range of variability if it is a variable star, exoplanets, etc.] See also [ edit ]

  3. Bayer designation - Wikipedia

    en.wikipedia.org/wiki/Bayer_designation

    Detail of Bayer's chart for Orion showing the belt stars and Orion Nebula region, with both Greek and Latin letter labels visible. A Bayer designation is a stellar designation in which a specific star is identified by a Greek or Latin letter followed by the genitive form of its parent constellation's Latin name.

  4. Orion (constellation) - Wikipedia

    en.wikipedia.org/wiki/Orion_(constellation)

    Orion as depicted in Urania's Mirror, a set of star chart cards published in London c. 1825 Orion's seven brightest stars form a distinctive hourglass-shaped asterism, or pattern, in the night sky. Four stars—Rigel, Betelgeuse, Bellatrix , and Saiph —form a large roughly rectangular shape, at the center of which lies the three stars of ...

  5. Trapezium Cluster - Wikipedia

    en.wikipedia.org/wiki/Trapezium_Cluster

    The Trapezium or Orion Trapezium Cluster, also known by its Bayer designation of Theta 1 Orionis (θ 1 Orionis), is a tight open cluster of stars in the heart of the Orion Nebula, in the constellation of Orion. It was discovered by Galileo Galilei. On 4 February 1617 he sketched three of the stars (A, C and D), but missed the surrounding ...

  6. Uranometria - Wikipedia

    en.wikipedia.org/wiki/Uranometria

    Uranometria 's page of the constellation Orion. Uranometria is a star atlas produced by Johann Bayer.It was published in Augsburg in 1603 by Christoph Mang (Christophorus Mangus) [1] under the full title Uranometria: omnium asterismorum continens schemata, nova methodo delineata, aereis laminis expressa (from Latin: Uranometria, containing charts of all the constellations, drawn by a new ...

  7. List of stars for navigation - Wikipedia

    en.wikipedia.org/wiki/List_of_stars_for_navigation

    In the star charts, constellations are labelled with capital letters and indicated by dotted lines collecting their stars. The 58 selected stars for navigation are shown in blue and labelled with their common name, star number, and a Greek letter to indicate their Bayer designation.

  8. Orion OB1 - Wikipedia

    en.wikipedia.org/wiki/Orion_OB1

    Orion OB1 (Ori OB1) is a contingent group of several dozen hot giant stars of spectral types O and B in Orion. Associated are thousands of lower-mass stars, and a (smaller but significant) number of protostars. It is part of the larger Orion molecular cloud complex. Owing to its relative closeness and complexity it is the most closely studied ...

  9. Pi3 Orionis - Wikipedia

    en.wikipedia.org/wiki/Pi3_Orionis

    Pi 3 Orionis (π 3 Orionis, abbreviated Pi 3 Ori, π 3 Ori), also named Tabit / ˈ t eɪ b ɪ t /, [10] [11] is a star in the equatorial constellation of Orion.At an apparent visual magnitude of 3.16, [2] it is readily visible to the naked eye and is the brightest star in the lion's hide (or shield) that Orion is holding.