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38 relations: Anemic galaxy, Canes Venatici, Cartwheel Galaxy, Coma Cluster, Disc galaxy, Dwarf spheroidal galaxy, Elliptical galaxy, Galaxy, Galaxy formation and evolution, Galaxy merger, Galaxy morphological classification, Globular cluster, H-alpha, Hubble sequence, Hydrogen line, Interstellar medium, James Dunlop, LEDA 2108986, LEDA 83677, Messier 84, Monthly Notices of the Royal Astronomical Society, NGC 1222, NGC 2787, NGC 4111, NGC 5308, NGC 6861, Prolate rotator galaxy, Ram pressure, Sculptor (constellation), Sersic profile, Sidney van den Bergh, Spiral galaxy, Star formation, Surface brightness, The Astrophysical Journal, Tully–Fisher relation, Ursa Major, Velocity dispersion.
Anemic galaxy
An anemic galaxy is a type of spiral galaxy characterized by a low contrast between its spiral arms and its disk.
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Canes Venatici
Canes Venatici is one of the 88 official modern constellations.
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Cartwheel Galaxy
The Cartwheel Galaxy (also known as ESO 350-40) is a lenticular galaxy and ring galaxy about 500 million light-years away in the constellation Sculptor.
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Coma Cluster
The Coma Cluster (Abell 1656) is a large cluster of galaxies that contains over 1,000 identified galaxies.
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Disc galaxy
A disc galaxy is a galaxy characterized by a disc, a flattened circular volume of stars.
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Dwarf spheroidal galaxy
A dwarf spheroidal galaxy (dSph) is a term in astronomy applied to small, low-luminosity galaxies with very little dust and an older stellar population.
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Elliptical galaxy
An elliptical galaxy is a type of galaxy having an approximately ellipsoidal shape and a smooth, nearly featureless image.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Galaxy formation and evolution
The study of galaxy formation and evolution is concerned with the processes that formed a heterogeneous universe from a homogeneous beginning, the formation of the first galaxies, the way galaxies change over time, and the processes that have generated the variety of structures observed in nearby galaxies.
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Galaxy merger
Galaxy mergers can occur when two (or more) galaxies collide.
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Galaxy morphological classification
Galaxy morphological classification is a system used by astronomers to divide galaxies into groups based on their visual appearance.
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Globular cluster
A globular cluster is a spherical collection of stars that orbits a galactic core as a satellite.
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H-alpha
H-alpha (Hα) is a specific deep-red visible spectral line in the Balmer series with a wavelength of 656.28 nm in air; it occurs when a hydrogen electron falls from its third to second lowest energy level.
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Hubble sequence
The Hubble sequence is a morphological classification scheme for galaxies invented by Edwin Hubble in 1926.
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Hydrogen line
The hydrogen line, 21-centimeter line or H I line refers to the electromagnetic radiation spectral line that is created by a change in the energy state of neutral hydrogen atoms.
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Interstellar medium
In astronomy, the interstellar medium (ISM) is the matter and radiation that exists in the space between the star systems in a galaxy.
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James Dunlop
James Dunlop FRSE (31 October 1793 – 22 September 1848) was a Scottish astronomer, noted for his work in Australia.
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LEDA 2108986
LEDA 2108986, also known by its Case Western Reserve University designation "Case Galaxy 611" (CG 611), is an extremely isolated, early-type dwarf galaxy with an embedded spiral structure residing in what is likely an intermediate-scale disk.
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LEDA 83677
LEDA 83677 is a lenticular galaxy located about 290 million light-years away in the constellation Coma Berenices.
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Messier 84
Messier 84 (also known as M84 or NGC 4374) is an elliptical or lenticular galaxy in the constellation Virgo.
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Monthly Notices of the Royal Astronomical Society
Monthly Notices of the Royal Astronomical Society (MNRAS) is a peer-reviewed scientific journal covering research in astronomy and astrophysics.
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NGC 1222
NGC 1222 is an early-type lenticular galaxy located in the constellation of Eridanus.
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NGC 2787
NGC 2787 is a barred lenticular galaxy approximately 24 million light-years away in the constellation Ursa Major.
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NGC 4111
NGC 4111 is a lenticular galaxy in the constellation Canes Venatici.
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NGC 5308
NGC 5308 is an edge-on lenticular galaxy in the constellation of Ursa Major.
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NGC 6861
NGC 6861 is a lenticular galaxy located in the constellation Telescopium.
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Prolate rotator galaxy
A Prolate rotator galaxy is an unusual class of galaxy that is cigar shaped and rotates around its long axis.
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Ram pressure
In physics, ram pressure is a pressure exerted on a body moving through a fluid medium, caused by relative bulk motion of the fluid rather than random thermal motion.
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Sculptor (constellation)
Sculptor is a small and faint constellation in the southern sky.
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Sersic profile
The Sérsic profile (or Sérsic model or Sérsic's law) is a mathematical function that describes how the intensity I of a galaxy varies with distance R from its center.
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Sidney van den Bergh
Sidney Van den Bergh, OC, FRS (born 20 May 1929 in Wassenaar) is a retired Canadian astronomer.
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Spiral galaxy
Spiral galaxies form a class of galaxy originally described by Edwin Hubble in his 1936 work The Realm of the Nebulae(pp. 124–151) and, as such, form part of the Hubble sequence.
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Star formation
Star formation is the process by which dense regions within molecular clouds in interstellar space, sometimes referred to as "stellar nurseries" or "star-forming regions", collapse and form stars.
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Surface brightness
In astronomy, surface brightness quantifies the apparent brightness or flux density per unit angular area of a spatially extended object such as a galaxy or nebula, or of the night sky background.
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The Astrophysical Journal
The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.
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Tully–Fisher relation
lenticular galaxies In astronomy, the Tully–Fisher relation (TFR) is an empirical relationship between the mass or intrinsic luminosity of a spiral galaxy and its angular velocity or emission line width.
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Ursa Major
Ursa Major (also known as the Great Bear) is a constellation in the northern sky, whose associated mythology likely dates back into prehistory.
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Velocity dispersion
In astronomy, the velocity dispersion (σ) is the statistical dispersion of velocities about the mean velocity for a group of objects, such as an open cluster, globular cluster, galaxy, galaxy cluster, or supercluster.
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Redirects here:
Armless spiral galaxy, Lenticular Galaxies, Lenticular Galaxy, Lenticular galaxies, S0 galaxy, S0s, SO galaxy.
References
[1] https://en.wikipedia.org/wiki/Lenticular_galaxy
