• Thumbnail for Mira variable
    Mira variables /ˈmaɪrə/ (named for the prototype star Mira) are a class of pulsating stars characterized by very red colours, pulsation periods longer...
    24 KB (1,621 words) - 10:51, 29 July 2024
  • Thumbnail for Mira
    variable red giant (Mira A) along with a white dwarf companion (Mira B). Mira A is a pulsating variable star and was the first non-supernova variable...
    29 KB (3,151 words) - 00:20, 4 May 2025
  • Thumbnail for Semiregular variable star
    semiregular variable stars, particularly the SRa and SRb sub-classes, are often grouped with the Mira variables under the long-period variable heading. In...
    11 KB (895 words) - 19:16, 11 December 2024
  • Thumbnail for Variable star
    astronomers, the first variable star was identified in 1638 when Johannes Holwarda noticed that Omicron Ceti (later named Mira) pulsated in a cycle taking...
    51 KB (6,578 words) - 14:46, 23 April 2025
  • Thumbnail for Long-period variable star
    Catalogue of Variable Stars does not define a long-period variable star type, although it does describe Mira variables as long-period variables. The term...
    9 KB (1,014 words) - 23:14, 16 July 2024
  • there are over 52,011 known variable stars, with more being discovered regularly, so a complete list of every single variable is impossible at this place...
    37 KB (142 words) - 18:41, 8 April 2025
  • Thumbnail for R Doradus
    R Doradus (category Mira variables)
    likened to a Mira variable when its variations are relatively regular, although its amplitude of only 1.5 magnitudes is smaller than Mira variables. The star...
    16 KB (1,380 words) - 17:02, 14 March 2025
  • Thumbnail for Lepus (constellation)
    secondary is a star of magnitude 7.4. There are several variable stars in Lepus. R Leporis is a Mira variable star. It is also called "Hind's Crimson Star" for...
    8 KB (782 words) - 01:11, 28 February 2025
  • Thumbnail for X Ophiuchi
    X Ophiuchi (category Mira variables)
    the equatorial constellation of Ophiuchus, abbreviated X Oph. It is a Mira variable that ranges in brightness from an apparent visual magnitude of 5.9 down...
    12 KB (1,009 words) - 20:50, 22 April 2025
  • Thumbnail for Hydra (constellation)
    home to several variable stars. R Hydrae is a Mira variable star 2000 light-years from Earth; it is one of the brightest Mira variables at its maximum...
    17 KB (1,865 words) - 23:26, 1 March 2025
  • Look up mira in Wiktionary, the free dictionary. Mira is a star in the constellation Cetus Mira may also refer to: Mira (1971 film), a Dutch-Belgian film...
    4 KB (537 words) - 15:55, 1 December 2024
  • Thumbnail for Mira B
    Mira B, also known as VZ Ceti, is the companion star to the variable star Mira, separated by around 100 AU. Suspected as early as 1918, it was visually...
    6 KB (609 words) - 20:45, 16 April 2025
  • Thumbnail for Aries (constellation)
    of variable stars, including R and U Arietis, Mira-type variable stars, and T Arietis, a semi-regular variable star. R Arietis is a Mira variable star...
    50 KB (5,447 words) - 16:47, 10 May 2025
  • Thumbnail for Calabash Nebula
    Calabash Nebula (category Mira variables)
    motion. The central star is QX Puppis, a binary composed of a very cool Mira variable and an A-type main-sequence star. Violent gas collisions that produced...
    7 KB (705 words) - 03:07, 27 October 2024
  • Thumbnail for S-type star
    first defined in 1922 to represent a number of long-period variables (meaning Mira variables) and stars with similar peculiar spectra. Many of the absorption...
    33 KB (4,035 words) - 15:36, 22 April 2025
  • Thumbnail for List of largest stars
    Outburst Triggered by an Intense Mass-loss Episode of a Heavily Obscured Mira Variable". The Astrophysical Journal. 935 (1): 36. arXiv:2205.09139. Bibcode:2022ApJ...
    276 KB (12,781 words) - 12:34, 27 April 2025
  • Thumbnail for LL Pegasi
    LL Pegasi (category Mira variables)
    LL Pegasi (AFGL 3068) is a Mira variable star surrounded by a pinwheel-shaped nebula, IRAS 23166+1655, thought to be a preplanetary nebula. It is a binary...
    9 KB (747 words) - 14:49, 7 April 2025
  • Thumbnail for R Trianguli
    R Trianguli (category Mira variables)
    R Trianguli (abbreviated as R Tri) is a short-period oxygen-rich Mira variable in Triangulum with a period of 266.9 days, discovered by T. H. E. C. Espin...
    6 KB (385 words) - 17:33, 23 August 2024
  • Thumbnail for Chi Cygni
    Chi Cygni (category Mira variables)
    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 (3,728 words) - 02:10, 22 June 2024
  • Thumbnail for Leo (constellation)
    Leonis, Chertan. Leo is also home to a bright variable star, the red giant R Leonis. It is a Mira variable with a minimum magnitude of 10 and normal maximum...
    16 KB (1,778 words) - 07:07, 17 April 2025
  • Thumbnail for Crux
    Crux (section Variable stars)
    Cepheid type variable stars. BH Crucis, also known as Welch's Red Variable, is a Mira variable that ranges from magnitude 6.6 to 9.8 over 530 days. Discovered...
    45 KB (5,269 words) - 17:22, 6 May 2025
  • Thumbnail for R Hydrae
    R Hydrae (category Mira variables)
    constellation of Hydra, about 2.7° to the east of Gamma Hydrae. It is a Mira-type variable that ranges in apparent visual magnitude from 3.5 down to 10.9 over...
    14 KB (1,101 words) - 03:40, 3 December 2024
  • Thumbnail for R Leporis
    R Leporis (category Mira variables)
    of 40 years. Guandalini and Cristallo calculated the luminosity of Mira variables based on their periods. Using a period of 427.07 days, they calculated...
    10 KB (870 words) - 16:25, 13 February 2025
  • Thumbnail for Asymptotic giant branch
    needed] Red giant – Type of large cool star Mira – Binary star in Cetus Mira variable – Type of variable star Carbon star – Star whose atmosphere contains...
    26 KB (3,222 words) - 20:09, 15 March 2025
  • Thumbnail for S Cassiopeiae
    S Cassiopeiae (category Mira variables)
    S Cassiopeiae (S Cas, HD 7769) is a Mira variable and S-type star in the constellation Cassiopeia. It is an unusually cool star, rapidly losing mass and...
    10 KB (948 words) - 20:30, 28 March 2025
  • Thumbnail for R Corvi
    R Corvi (category Mira variables)
    R Corvi (R Crv) is a Mira variable star in the constellation Corvus, which ranges from a magnitude of 6.7 to 14.4 with a period of approximately 317 days...
    3 KB (176 words) - 22:52, 22 August 2024
  • Thumbnail for Daihatsu Mira
    variations, with the latest variant having four models: Mira, Mira AVY, Mira Gino, and Mira VAN. The Mira is the latest successor to the line of cars begun...
    50 KB (5,210 words) - 18:15, 20 March 2025
  • Thumbnail for Norma (constellation)
    magnitude 5.27 to 5.41 over 4.8 days. Lying near Eta Normae is R Normae, a Mira variable. Its visual magnitude range is 6.5–13.9 and its average period is 507...
    34 KB (3,990 words) - 22:25, 1 March 2025
  • Thumbnail for S Cephei
    S Cephei (category Mira variables)
    Cephei (S Cep), also designated as HD 206362, is a carbon star and Mira-type variable in the constellation Cepheus. Based on the measurement of its annual...
    6 KB (508 words) - 23:10, 20 March 2025
  • Thumbnail for Outline of astronomy
    Cephei variable PV Telescopii variable Long Period and Semiregular Mira variable Semiregular variable Slow irregular variable Other RV Tauri variable Alpha...
    43 KB (3,398 words) - 20:25, 8 February 2025