System for categorizing galaxies based on appearance
Tuning-fork-style diagram of the Hubble sequence
Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance. There are several schemes in use by which galaxies can be classified according to their morphologies, the most famous being the Hubble sequence, devised by Edwin Hubble and later expanded by Gérard de Vaucouleurs and Allan Sandage. However, galaxy classification and morphology are now largely done using computational methods and physical morphology.
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Galaxymorphologicalclassification is a system used by astronomers to divide galaxies into groups based on their visual appearance. There are several...
an SA in the galaxy morphologicalclassification scheme. Barless spiral galaxies are one of three general types of spiral galaxies under the de Vaucouleurs...
lenticular galaxy (denoted S0) is a type of galaxy intermediate between an elliptical (denoted E) and a spiral galaxy in galaxymorphologicalclassification schemes...
an unbarred spiral galaxy. It is designated as SAB in the galaxymorphologicalclassification system devised by Gerard de Vaucouleurs. Subtypes are labeled...
The Hubble sequence is a morphologicalclassification scheme for galaxies published by Edwin Hubble in 1926. It is often colloquially known as the Hubble...
objects distance using only visual aspects Galaxy type and spectral comparison: see galaxymorphologicalclassification Luminosity comparison: LS, L☉ - luminosity...
NGC 4625 NGC 5713 NGC 5204 NGC 2552 Galaxymorphologicalclassification Linda S. Sparke, John Sill Gallagher, Galaxies in the Universe: An Introduction,...
galaxy UGC 685 taken by Hubble. Galaxymorphologicalclassification – System for categorizing galaxies based on appearance List of nearest galaxies Pea...
(Catalogue of Galaxies and of Clusters of Galaxies), the MCG (Morphological Catalogue of Galaxies), the UGC (Uppsala General Catalogue of Galaxies), and the...
known galaxy, estimated to have a light travel distance of 13.2 billion light-years away. List of galaxies Lists of galaxiesGalaxymorphological classification...
the MK system for the classification of stars through their spectra. He also developed several galaxymorphologicalclassification systems, including the...
Hubble sequence galaxymorphologicalclassification scheme of the French astronomer Gérard de Vaucouleurs, M87 is categorized as an E0p galaxy. "E0" designates...
of galaxymorphologicalclassification, the Triangulum Galaxy is classified as type SA(s)cd. The S prefix indicates that it is a disk-shaped galaxy with...
An active galactic nucleus (AGN) is a compact region at the center of a galaxy that emits a significant amount of energy across the electromagnetic spectrum...
Galaxy Zoo is a crowdsourced astronomy project which invites people to assist in the morphologicalclassification of large numbers of galaxies. It is an...
6207 is a spiral galaxy located in the constellation Hercules. It is designated as SA(s)c in the galaxymorphologicalclassification scheme and was discovered...
Vaucouleurs extended galaxy morphologicalclassification scheme. Little else is known about the galaxy. 3C 348, the galaxy at the image center, appears...
ladder K correction Galaxies Hubble sequence Galaxymorphologicalclassification Gerard de Vaucouleurs Spiral galaxy Whirlpool galaxy William Wilson Morgan...
The Andromeda Galaxy is a barred spiral galaxy and is the nearest major galaxy to the Milky Way. It was originally named the Andromeda Nebula and is cataloged...
a barred spiral galaxy located in the constellation Hercules. It is designated as SB(rs)c in the galaxymorphologicalclassification scheme and was discovered...
gamma-ray astronomy and Galaxymorphologicalclassification and for her leadership of citizen science projects including the Galaxy Zoo and Zooniverse. She...
give spiral galaxies their name. Naturally, different classifications of spiral galaxies have distinct arm-structures. Sc and SBc galaxies, for instance...
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