• Thumbnail for Red clump
    The red clump is a clustering of red giants in the Hertzsprung–Russell diagram at around 5,000 K and absolute magnitude (MV) +0.5, slightly hotter than...
    14 KB (1,728 words) - 19:10, 21 August 2024
  • Thumbnail for Red giant
    fusing hydrogen into helium in a shell surrounding an inert helium core red-clump stars in the cool half of the horizontal branch, fusing helium into carbon...
    26 KB (3,410 words) - 06:07, 7 August 2024
  • Thumbnail for Horizontal branch
    otherwise identical. A related class of stars is the clump giants, those belonging to the so-called red clump, which are the relatively younger (and hence more...
    14 KB (1,722 words) - 18:58, 21 August 2024
  • class of star that develops from a red dwarf after it has exhausted much of its hydrogen fuel supply. Because red dwarfs fuse their hydrogen slowly and...
    4 KB (545 words) - 13:59, 15 December 2023
  • Thumbnail for Red dwarf
    A red dwarf is the smallest kind of star on the main sequence. Red dwarfs are by far the most common type of fusing star in the Milky Way, at least in...
    36 KB (4,249 words) - 12:06, 3 July 2024
  • Thumbnail for Star
    relatively short period on the red-giant branch they ignite helium without a flash and spend an extended period in the red clump before forming a degenerate...
    147 KB (16,419 words) - 00:16, 20 August 2024
  • Thumbnail for Red supergiant
    dwarfs White dwarfs Red dwarfs Subdwarfs Main sequence ("dwarfs") Subgiants Giants Red giants Blue giants Bright giants Supergiants Red supergiant Hypergiants...
    33 KB (4,233 words) - 03:21, 23 July 2024
  • Thumbnail for Red-giant branch
    the properties of red-clump stars can be used to determine the mass difference before and after the helium flash. Mass lost from red giants also determines...
    32 KB (3,933 words) - 01:54, 17 July 2024
  • Thumbnail for Large Magellanic Cloud
    was confirmed by the same means, by core helium-burning red clump stars, and by the tip of the red giant branch. All three papers find an inclination of...
    33 KB (3,557 words) - 05:04, 29 July 2024
  • Thumbnail for Galactic Center
    bars, one nestled within the other. The bar is delineated by red-clump stars (see also red giant); however, RR Lyrae variables do not trace a prominent...
    48 KB (4,922 words) - 07:34, 15 August 2024
  • Thumbnail for Stellar evolution
    are often observed as a red clump of stars in the colour-magnitude diagram of a cluster, hotter and less luminous than the red giants. Higher-mass stars...
    49 KB (6,421 words) - 19:38, 1 August 2024
  • Thumbnail for Hertzsprung–Russell diagram
    descriptions as a fallback Hess diagram – Diagram of stars in astronomy Red clump – Clustering of stars in astronomy diagram Stellar birthline – Construct...
    23 KB (2,771 words) - 01:42, 18 July 2024
  • Thumbnail for Galactic bulge
    the VVV survey with the help of red clump stars. The VVV survey also found two overlapping populations of red clump stars and an X-shape of the bulge...
    17 KB (1,969 words) - 01:11, 29 July 2024
  • Thumbnail for Capella
    times the Sun's luminosity and 11.98 ± 0.57 times its radius. An aging red clump star, it is fusing helium to carbon and oxygen in its core. Capella Ab...
    70 KB (7,619 words) - 07:50, 21 July 2024
  • Thumbnail for Tip of the red-giant branch
    giant branch Hess diagram Red clump Stellar classification Müller, Oliver; Rejkuba, Marina; Jerjen, Helmut (2018). "Tip of the red giant branch distances...
    6 KB (640 words) - 15:38, 19 October 2023
  • Thumbnail for Sun
    temperature a little lower than today. It will then have reached the red clump or horizontal branch, but a star of the Sun's metallicity does not evolve...
    178 KB (20,212 words) - 22:22, 22 August 2024
  • Thumbnail for Black dwarf
    object Hayashi track Henyey track Evolution Main sequence Red-giant branch Horizontal branch Red clump Asymptotic giant branch post-AGB super-AGB Blue loop...
    10 KB (1,142 words) - 05:00, 25 July 2024
  • object Hayashi track Henyey track Evolution Main sequence Red-giant branch Horizontal branch Red clump Asymptotic giant branch post-AGB super-AGB Blue loop...
    7 KB (415 words) - 21:15, 17 April 2023
  • Thumbnail for Giant star
    their lives: a main red-giant branch (RGB); a red horizontal branch or red clump; the asymptotic giant branch (AGB), although AGB stars are often large...
    17 KB (2,352 words) - 05:23, 24 June 2024
  • Thumbnail for Andromeda Galaxy
    variable star. In the 1990s, measurements of both standard red giants as well as red clump stars from the Hipparcos satellite measurements were used to...
    110 KB (10,784 words) - 18:21, 12 August 2024
  • Thumbnail for Scutum–Centaurus Arm
    using the Spitzer Space Telescope failed to show the expected density of red clump giants in the direction of the Sagittarius and Norma arms. In January...
    5 KB (558 words) - 01:53, 19 August 2024
  • Thumbnail for Quasi-star
    object Hayashi track Henyey track Evolution Main sequence Red-giant branch Horizontal branch Red clump Asymptotic giant branch post-AGB super-AGB Blue loop...
    9 KB (1,027 words) - 00:51, 17 August 2024
  • Thumbnail for Galactic year
    object Hayashi track Henyey track Evolution Main sequence Red-giant branch Horizontal branch Red clump Asymptotic giant branch post-AGB super-AGB Blue loop...
    10 KB (630 words) - 00:40, 23 August 2024
  • Thumbnail for Dwarf star
    luminosity class V: main-sequence stars (dwarfs). Example: Achernar (B6Vep) Red dwarfs are low-mass main-sequence stars. Yellow dwarfs are main-sequence...
    5 KB (578 words) - 17:18, 25 June 2024
  • Thumbnail for Fornax
    11 times the Sun's diameter, 178 ± 2 light-years from Earth. It is a red clump giant, which means it has undergone helium flash and is currently generating...
    35 KB (4,067 words) - 20:07, 24 August 2024
  • object Hayashi track Henyey track Evolution Main sequence Red-giant branch Horizontal branch Red clump Asymptotic giant branch post-AGB super-AGB Blue loop...
    4 KB (384 words) - 00:11, 13 July 2024
  • Thumbnail for Starlight
    measured CP of q = 7 × 10 − 3 {\displaystyle q=7\times 10^{-3}} for the red supergiant NML Cygni and q = 2 × 10 − 3 {\displaystyle q=2\times 10^{-3}}...
    14 KB (1,695 words) - 03:06, 17 July 2024
  • Thumbnail for G-type main-sequence star
    stars. The Sun is in fact white, but it can often appear yellow, orange or red through Earth's atmosphere due to atmospheric Rayleigh scattering, especially...
    12 KB (1,178 words) - 10:49, 13 August 2024
  • 8 Ursae Minoris is a 7th-magnitude red clump star in Ursa Minor. The star is unusually rich in lithium, with an abundance of A = 2.0±0.2 dex. In the 2019...
    12 KB (984 words) - 09:40, 25 May 2024
  • Thumbnail for List of brightest stars
    Algol); or, if the variations are small, a simple average magnitude. For red variable stars, specifying a single maximum brightness is often difficult...
    36 KB (1,305 words) - 20:56, 16 August 2024