• Thumbnail for AO Cassiopeiae
    AO Cassiopeiae, also known as Pearce's Star, is a binary system composed of an O8 main sequence star and an O9.2 bright giant that respectively weigh anywhere...
    8 KB (585 words) - 01:59, 15 November 2024
  • Thumbnail for Cassiopeia (constellation)
    known, including the yellow hypergiants Rho Cassiopeiae and V509 Cassiopeiae and white hypergiant 6 Cassiopeiae. In 1572, Tycho Brahe's supernova flared...
    40 KB (4,852 words) - 14:11, 25 October 2024
  • consists of two class B stars, and pairs of massive O class stars such as AO Cassiopeiae and HD 93403. The Struve–Sahade effect was first reported by Otto Struve...
    4 KB (520 words) - 13:49, 25 December 2023
  • Olbers. Osawa's Star is V436 Cassiopeiae (HD 221568). Named after Kiyoteru Osawa [ja]. Pearce's Star is AO Cassiopeiae. Named after Joseph Algernon Pearce...
    41 KB (4,758 words) - 08:54, 3 November 2024
  • 47 Cassiopeiae (also designated as or called 47 Cas, HR 581, TYC 4499-2252-1, HD 12230, and HIP 9727) is an F-type main-sequence star located 109.45 light...
    4 KB (359 words) - 13:02, 16 September 2024
  • 02h 14m 29.10s +66° 31′ 28.0″ 6.05 −0.72 738 B9V+... suspected variable AO Cas AO 1337 1415 00h 17m 43.07s +51° 25′ 59.1″ 6.11 −5.11 5719 O9IIInn Pearce's...
    53 KB (148 words) - 18:10, 6 November 2024
  • Thumbnail for Kappa Andromedae
    π1 Cygni, HD 206267, ε Cephei, β Lacertae, σ Cassiopeiae, ρ Cassiopeiae, τ Cassiopeiae, AR Cassiopeiae, 9 Lacertae, 3 Andromedae, 7 Andromedae, 8 Andromedae...
    15 KB (1,232 words) - 05:14, 15 November 2024
  • Thumbnail for IC 4756
    photometric observations of the selected Algol-type binaries - IV. V799 Cassiopeiae, BX Piscium and HD 172189". Monthly Notices of the Royal Astronomical...
    5 KB (473 words) - 07:52, 14 May 2023
  • cluster GCAS – (celestial object) Gamma CASsiopeiae, a class of eruptive variable stars named after Gamma Cassiopeiae, the archetype for the class GCMS –...
    140 KB (13,321 words) - 09:37, 15 November 2024
  • Thumbnail for GJ 1245
    Survey for Substellar Objects around Young, Nearby, Low-mass Stars with Robo-AO". The Astronomical Journal. 162 (3): 102. arXiv:2105.13364. Bibcode:2021AJ...
    10 KB (898 words) - 01:30, 12 June 2024
  • Thumbnail for WISEPA J174124.26+255319.5
    binarity nine brown dwarfs using Laser Guide Star Adaptive Optics system (LGS-AO) on Keck II telescope on Mauna Kea; seven of these nine brown dwarfs were...
    17 KB (1,449 words) - 10:18, 22 August 2024