• Thumbnail for Chi Cygni
    Chi Cygni (Latinised from χ Cygni) is a Mira variable star in the constellation Cygnus, and also an S-type star. It is around 500 light years away. χ...
    32 KB (3,823 words) - 07:43, 1 December 2023
  • Thumbnail for Stellar classification
    S5. The non-standard designation S10 has only been used for the star Chi Cygni when at an extreme minimum. The basic classification is usually followed...
    103 KB (11,333 words) - 00:20, 15 May 2024
  • 35 HD 84810 Star 4.07 3.48 Delta Cephei Quadruple star system 4.24 3.3 Chi Cygni Star 4.97 3.5 R Hydrae Star 5.68 5.38 Uranus Planet 6.53 2.0 Mira Binary...
    37 KB (1,546 words) - 21:08, 17 March 2024
  • Thumbnail for S-type star
    with a hotter companion which may also be variable. The Mira variable Chi Cygni is an intrinsic S star. When near maximum light, it is the sky's brightest...
    33 KB (4,034 words) - 13:34, 13 August 2023
  • Thumbnail for Mira variable
    days) Distance (in parsecs) Reference Mira 2.0 10.1 332 92+12 −9 [1] Chi Cygni 3.3 14.2 408 180+45 −30 [2] R Hydrae 3.5 10.9 380 224+56 −37 [3] R Carinae...
    24 KB (1,607 words) - 12:37, 19 May 2024
  • Thumbnail for Variable star
    John Goodricke gave the correct explanation of its variability in 1784. Chi Cygni was identified in 1686 by G. Kirch, then R Hydrae in 1704 by G. D. Maraldi...
    50 KB (6,468 words) - 06:01, 22 April 2024
  • Thumbnail for Super-AGB star
    similar stage in life to red giant stars, such as Aldebaran, Mira, and Chi Cygni, and are at a stage where they start to brighten, and their brightness...
    4 KB (541 words) - 14:59, 14 February 2024
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    Y.; Bechis, K. P. (November 1977). "Variable 2.5 mm CO emission from chi Cygni and Mira". Astrophysical Journal. 218 (L27–L30): L27. Bibcode:1977ApJ...
    10 KB (980 words) - 22:18, 24 February 2024
  • technology involved some significant events. Gottfried Kirch notices that Chi Cygni's brightness varies. John Ray begins publication of his Historia Plantarum...
    3 KB (317 words) - 13:43, 14 February 2024
  • notices that Algol's brightness varies 1686 — Gottfried Kirch notices that Chi Cygni's brightness varies 1718 — Edmund Halley discovers stellar proper motions...
    6 KB (623 words) - 13:00, 25 September 2022