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  1. Regular Chains of Star Formation Regions in Spiral Arms and Rings of Disk Galaxies

    Abstract

    The regularity in the distribution of young stellar groups along the spiral arms of galaxies, first discovered by Bruce and Debra Elmegreen...

    A. S. Gusev in Astronomy Reports
    Article 01 May 2023

  2. Rotational curves decomposition of spiral galaxies using least square non-linear regression

    Dark Matter mass distribution is studied in a Cold Dark Matter Universe using Navarro–Frenk–White density profile for Dark Matter (DM) in spiral...

    Prateek Boga, Adhitya Shreyas Sripennem, Amaria Navis Bonsi in Indian Journal of Physics
    Article 25 May 2023

  3. Evolution of the Spiral Structure of Galaxies from HST COSMOS Field Data

    V. P. Reshetnikov, A. A. Marchuk, ... A. V. Mosenkov in Astronomy Letters
    Article 01 November 2022

  4. Mesoscale Magnetic Structures in Spiral Galaxies

    Virtually all spiral galaxies host magnetic fields ordered at scales comparable to the galactic size (Beck et al., 1996; Beck, 2000, 2001)....
    Anvar Shukurov in Cosmic Magnetic Fields
    Chapter

  5. Nuclear Stellar Disks in Spiral Galaxies

    We report the discovery of a nuclear stellar disk in 3 early-type spirals, namely NGC 1425, NGC 3898 and NGC 4698, revealed by WFPC2/F606W images out...
    A. Pizzella, E. M. Corsini, ... F. Bertola in The Mass of Galaxies at Low and High Redshift
    Conference paper

  6. Spiral Structure of Galaxies in Generalised Gravitational Theories

    Abstract

    Motion of stars in galactic discs is considered in the epicyclic approximation given potentials derived from gauge gravitation theory and...

    E. P. Kubarko, P. I. Pronin in Physics of Particles and Nuclei Letters
    Article 22 June 2023

  7. The Building Blocks of Spiral Arms in Galaxies

    This is a review paper on the prevailing theories that explain the orbital content of galactic potentials that can support the spiral arms. In the...
    Mirella Harsoula in Chaos, Fractals and Complexity
    Conference paper 2023

  8. Stellar Populations in Spiral Galaxies

    Color gradients in galaxies reveal information about the nature of their stellar populations via age and metallicity trends, and the amount and...
    Lauren A. MacArthur, Stéphane Courteau, ... Jon Holtzman in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  9. Chemical Evolution of Bulges of Spiral Galaxies: Environmental and Morphological Influence

    This project is aimed at studying the chemical evolution of bulges of spiral galaxies, with the goals to understand how much the properties of bulges...
    Lorenzo Morelli, Emanuela Pompei, ... Francesco Bertola in Multiwavelength Map** of Galaxy Formation and Evolution
    Conference paper

  11. Nonlinear Phenomena Sha** the Structure of Spiral Galaxies

    The structures observed in disk galaxies can be explained by the presence of nonlinear phenomena associated with dynamical mechanisms acting in their...
    P. A. Patsis in Chaos, Fractals and Complexity
    Conference paper 2023

  12. On the Formation of Spiral Arms in Dwarf Galaxies

    Abstract

    Spiral structure (both flocculent and Grand Design types) is very rarely observed in dwarf galaxies because the formation of spiral arms...

    A. V. Zasov, A. V. Khoperskov, ... S. S. Khrapov in Astronomy Reports
    Article 17 December 2021

  13. Galaxies

    Various classification schemes for galaxies are introduced, including the Hubble-de Vaucouleurs sequence, as well as other classes of galaxy:...
    Malcolm S. Longair in Galaxy Formation
    Chapter 2023

  14. The Brightest Stars of Irregular and Low-Mass Spiral Galaxies

    Abstract

    A search for a correlation between the luminosities of the brightest stars and luminosities of their host galaxies was carried out on...

    N. A. Tikhonov, O. A. Galazutdinova, ... P. L. Nedialkov in Astrophysical Bulletin
    Article 01 October 2021

  15. Gas Minor-Axis Velocity Gradients in Early-Type Spiral Galaxies

    We measured a remarkable gas velocity gradient along the minor axis of 5 early-type spiral galaxies. This phenomenon suggests the presence of a...
    E. M. Corsini, A. Pizzella, ... F. Bertola in The Mass of Galaxies at Low and High Redshift
    Conference paper

  16. Masses of Isolated Spiral KIG Galaxies, Determined by the Motions of Their Faint Companions

    Abstract

    We have updated the classification of late-type galaxies presented in the Catalog of Isolated Galaxies (KIG) using the advanced digital sky...

    V. E. Karachentseva, I. D. Karachentsev, O. V. Melnyk in Astrophysical Bulletin
    Article 01 October 2021

  17. Astrocladistics: evolutionary classification for galaxies of the M81 group

    This work deals with the classification of galaxies based on the evolutionary and hierarchical development of their parameters. We apply the...

    Maxsuel Marcos Fernandes de Lima, Kleberson de Oliveira Porpino, José Ronaldo Pereira da Silva in Astrophysics and Space Science
    Article 14 April 2023

  18. Effect of dark matter haloes on the orbital and escape dynamics of barred galaxies

    This work examines the effect of dark matter haloes on the fate of bar-driven esca** patterns in disc galaxies. In this study, a three-dimensional...

    Debasish Mondal, Tanuka Chattopadhyay in The European Physical Journal Plus
    Article 21 December 2023

  19. Galaxies

    After individual compact objects and sun-like stars, galaxies are the next larger structured objects that are presented here. We start with our...
    Karl-Heinz Spatschek in Astrophysics
    Chapter 2024

  20. Globular Cluster Systems of Spiral Galaxies Beyond the Local Group

    As part of a wide-field CCD survey of the globular cluster systems of distant giant galaxies, we have observed a total of nine spiral galaxies in...
    Katherine L. Rhode in Extragalactic Globular Cluster Systems
    Conference paper
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