• A stellar halo is the component of a galaxy's galactic halo that contains stars. The stellar halo extends far outside a galaxy's brightest regions and...
    8 KB (989 words) - 20:45, 18 July 2024
  • Thumbnail for Spiral galaxy
    Spiral galaxy (redirect from Stellar halos)
    A central stellar bulge of mainly older stars, which resembles an elliptical galaxy A bar-shaped distribution of stars A near-spherical halo of stars,...
    30 KB (3,630 words) - 23:48, 8 August 2024
  • comprise its halo: the stellar halo the galactic corona (hot gas, i.e. a plasma) the dark matter halo The distinction between the halo and the main body...
    8 KB (1,177 words) - 14:46, 8 April 2024
  • Thumbnail for Stellar kinematics
    Milky Way including the thin disk, the thick disk, the bulge, and the stellar halo provides important information about the formation and evolutionary history...
    60 KB (7,016 words) - 21:20, 1 October 2024
  • Thumbnail for Milky Way
    Milky Way (section Halo)
    gaseous halo containing a large amount of hot gas. This halo extends for hundreds of thousands of light-years, much farther than the stellar halo and close...
    216 KB (21,677 words) - 04:51, 28 October 2024
  • Look up HALO, Halo, halo, or halo- in Wiktionary, the free dictionary. HALO, halo, halos or haloes may refer to: Halo (optical phenomenon) Halo (religious...
    6 KB (731 words) - 09:37, 6 July 2024
  • Thumbnail for Andromeda Galaxy
    The stellar mass of M31 is 10–15×1010 M☉, with 30% of that mass in the central bulge, 56% in the disk, and the remaining 14% in the stellar halo. The...
    110 KB (10,778 words) - 05:41, 4 November 2024
  • Thumbnail for Dark matter halo
    In modern models of physical cosmology, a dark matter halo is a basic unit of cosmological structure. It is a hypothetical region that has decoupled from...
    22 KB (2,834 words) - 19:15, 17 July 2024
  • Thumbnail for Gaia Sausage
    Sergey; Lancaster, Lachlan (2018). "Apocenter Pile-Up: Origin of the stellar halo density break". The Astrophysical Journal. 862 (1): L1. arXiv:1805.10288...
    11 KB (1,005 words) - 11:44, 28 September 2024
  • Thumbnail for List of stellar streams
    S2CID 91177423. Grillmair, C.J. (5 March 2009). "Four new stellar debris streams in the galactic halo". The Astrophysical Journal. 693 (2): 1118–1127. arXiv:0811...
    26 KB (1,942 words) - 10:45, 19 August 2024
  • Thumbnail for Stellar population
    1944, Walter Baade categorized groups of stars within the Milky Way into stellar populations. In the abstract of the article by Baade, he recognizes that...
    35 KB (3,549 words) - 04:51, 20 October 2024
  • hierarchical models of cosmic structure. II. The formation of the Milky Way stellar halo and the distribution of the oldest stars". The Astrophysical Journal...
    13 KB (607 words) - 20:57, 15 October 2024
  • Thumbnail for IC 1101
    Like most BCGs, IC 1101 has a massive and diffuse stellar halo and has some excessive halo light. The halo is twisted by 20 degrees from the main body and...
    29 KB (3,358 words) - 13:25, 11 September 2024
  • Thumbnail for List of largest galaxies
    measured through the 25.0 mag/arcsec−2 isophote at the B-band. The diffuse stellar halo of this galaxy extends up to 300 kiloparsecs (980,000 light-years) across...
    59 KB (661 words) - 11:55, 2 November 2024
  • Thumbnail for Messier 32
    dwarf into M32. The observed colours and stellar populations of M32's outskirts do not match the stellar halo of M31, indicating that tidal losses from...
    20 KB (1,960 words) - 22:35, 20 August 2024
  • Thumbnail for Lowell Observatory Near-Earth-Object Search
    presentations. Investigating the Distinct Components of the Galactic Stellar Halo RR Lyrae from the LONEOS-I Survey, American Astronomical Society, AAS...
    12 KB (1,152 words) - 18:34, 26 January 2024
  • Thumbnail for Our Lady of Lourdes
    year, an oversized golden laurel wreath was placed at the base as well as a stellar halo being attached to the head of the image; both no longer present....
    32 KB (3,683 words) - 23:42, 2 November 2024
  • Thumbnail for NGC 4889
    medium full of heavy elements emitted by evolved stars. The diffuse stellar halo extends out to one million light years in diameter. Orbiting the galaxy...
    14 KB (1,606 words) - 20:48, 17 August 2024
  • Thumbnail for Escape velocity
    Bland-Hawthorn, J. (2014). "On the Shoulders of Giants: Properties of the Stellar Halo and the Milky Way Mass Distribution". The Astrophysical Journal. 794...
    28 KB (3,658 words) - 16:51, 29 September 2024
  • Thumbnail for Canonical coronation
    occasions by the pope himself, by ceremonially attaching a crown, tiara, or stellar halo to the devotional image or statue. The Holy Office originally issued...
    11 KB (1,293 words) - 08:25, 25 October 2024
  • Thumbnail for (α/Fe) versus (Fe/H) diagram
    (α/Fe) versus (Fe/H) diagram (category Stellar astronomy)
    significantly different from the stellar disk. This includes metal-poor stars (with low [Fe/H] < -1), which likely belong to the stellar halo or accreted features...
    9 KB (1,208 words) - 10:45, 2 September 2024
  • Thumbnail for Blue straggler
    Retrieved 2010-01-18. Casagrande, Luca (2020-06-10). "Connecting the Local Stellar Halo and Its Dark Matter Density to Dwarf Galaxies via Blue Stragglers". The...
    13 KB (1,501 words) - 07:37, 2 September 2024
  • Thumbnail for Science and technology in Iran
    Observatory Lens Array (INOLA), the first ever attempt at exploring the stellar halo of M33 Galaxy using ultra-deep broad-band imaging was conducted and reported...
    176 KB (16,824 words) - 06:45, 31 October 2024
  • engineering Stellar envelope see stellar atmosphere Stellar evolution Stellar flare Stellar flux Stellar fog Stellar halo Stellar interferometer Stellar isochrone...
    3 KB (262 words) - 12:57, 12 January 2024
  • Thumbnail for NGC 1427
    Cluster. The galaxy has a stellar mass of 7.9 × 1010 M☉, and a total mass of 9.4 × 1010 M☉. However, the mass of the dark matter halo surrounding the galaxy...
    12 KB (1,230 words) - 23:36, 28 October 2024
  • Thumbnail for Stellar classification
    In astronomy, stellar classification is the classification of stars based on their spectral characteristics. Electromagnetic radiation from the star is...
    106 KB (11,554 words) - 02:45, 23 October 2024
  • Thumbnail for Sloan Digital Sky Survey
    spectroscopically observed around 120,000 stars, focusing on the in situ stellar halo of the Milky Way, from distances of 10 to 60 kpc. SEGUE-2 doubled the...
    34 KB (3,956 words) - 03:21, 13 August 2024
  • Thumbnail for Hubble's law
    TRGB and JAGB stars are old stars which have had time to migrate to the stellar halo, where their relative isolation makes them much easier to ovserve. Freedman...
    131 KB (13,011 words) - 20:35, 30 October 2024
  • Thumbnail for Stellar atmosphere
    The stellar atmosphere is the outer region of the volume of a star, lying above the stellar core, radiation zone and convection zone. The stellar atmosphere...
    7 KB (818 words) - 16:16, 5 January 2024
  • Thumbnail for Coronal mass ejection
    partial halo coronal mass ejection. Partial and full halo CMEs have been found to make up about 10% of all CMEs with about 4% of all CMEs being full halo CMEs...
    58 KB (6,828 words) - 11:32, 12 September 2024