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NGC 185

NGC 185 (also known as Caldwell 18) is a dwarf spheroidal galaxy about 2.08 million light-years away in the constellation Cassiopeia. [1]

32 relations: Active galactic nucleus, Andromeda Galaxy, Caldwell catalogue, Cassiopeia (constellation), Catalogue of Nebulae and Clusters of Stars, Constellation, Crossley telescope, Dwarf spheroidal galaxy, Epoch (astronomy), Hubble Space Telescope, James Edward Keeler, John Herschel, Kilometre, Lick Observatory, Light-year, List of Andromeda's satellite galaxies, Local Group, New General Catalogue, Parsec, Principal Galaxies Catalogue, Satellite galaxy, Second, Seyfert galaxy, Star formation, Supernova remnant, Tip of the red-giant branch, Uppsala General Catalogue, Walter Baade, William Herschel, 10 exametres, 10 zettametres, 2MASS.

Active galactic nucleus

An active galactic nucleus (AGN) is a compact region at the centre of a galaxy that has a much higher than normal luminosity over at least some portion – and possibly all – of the electromagnetic spectrum.

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Andromeda Galaxy

The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth.

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Caldwell catalogue

The Caldwell Catalogue is an astronomical catalog of 109 star clusters, nebulae, and galaxies for observation by amateur astronomers.

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Cassiopeia (constellation)

Cassiopeia is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivalled beauty.

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Catalogue of Nebulae and Clusters of Stars

The Catalogue of Nebulae and Clusters of Stars (CN) is an astronomical catalogue of nebulae first published in 1786 by William Herschel, with the assistance of his sister Caroline Herschel.

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Constellation

In modern astronomy, a constellation is a specific area of the celestial sphere as defined by the International Astronomical Union (IAU).

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Crossley telescope

The Crossley telescope is a reflecting telescope located at Lick Observatory in the U.S. state of California.

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Dwarf spheroidal galaxy

Dwarf spheroidal galaxy (dSph) is a term in astronomy applied to low luminosity galaxies that are companions to the Milky Way and to the similar systems that are companions to the Andromeda Galaxy (M31).

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Epoch (astronomy)

In astronomy, an epoch is a moment in time used as a reference point for some time-varying astronomical quantity, such as the celestial coordinates or elliptical orbital elements of a celestial body, because these are subject to perturbations and vary with time.

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Hubble Space Telescope

The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990, and remains in operation.

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James Edward Keeler

James Edward Keeler (September 10, 1857 – August 12, 1900) was an American astronomer.

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John Herschel

Sir John Frederick William Herschel, 1st Baronet (7 March 1792 – 11 May 1871) was an English polymath, mathematician, astronomer, chemist, inventor, and experimental photographer, who in some years also did valuable botanical work.

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Kilometre

The kilometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: km; or) or kilometer (American spelling) is a unit of length in the metric system, equal to one thousand metres (kilo- being the SI prefix for). It is now the measurement unit used officially for expressing distances between geographical places on land in most of the world; notable exceptions are the United States and the United Kingdom where the statute mile is the official unit used.

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Lick Observatory

The Lick Observatory is an astronomical observatory, owned and operated by the University of California.

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Light-year

A light-year (abbreviation: ly), sometimes written light year, is a unit of length used informally to express astronomical distances.

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List of Andromeda's satellite galaxies

The Andromeda Galaxy (M31) has satellite galaxies just like the Milky Way.

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Local Group

The Local Group is the galaxy group that includes the Milky Way.

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New General Catalogue

The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a well-known catalogue of deep-sky objects in astronomy compiled by John Louis Emil Dreyer in 1888, as a new version of John Herschel's Catalogue of Nebulae and Clusters of Stars.

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Parsec

A parsec (symbol: pc) is a unit of length used to measure the astronomically large distances to objects outside the Solar System.

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Principal Galaxies Catalogue

The Catalogue of Principal Galaxies (PGC) is an astronomical catalog published in 1989 that lists B1950 and J2000 equatorial coordinates and cross-identifications for 73,197 galaxies.

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Satellite galaxy

A satellite galaxy is a galaxy that orbits a larger galaxy due to gravitational attraction.

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Second

The second (symbol: s) (abbreviated s or sec) is the base unit of time in the International System of Units (SI).

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Seyfert galaxy

Seyfert galaxies are one of the two largest groups of active galaxies, along with quasars.

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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 to form stars.

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Supernova remnant

A supernova remnant (SNR) is the structure resulting from the explosion of a star in a supernova.

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Tip of the red-giant branch

Tip of the red-giant branch (TRGB) is a primary distance indicator used in astronomy.

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Uppsala General Catalogue

The Uppsala General Catalogue of Galaxies (UGC) is a catalogue of 12921 galaxies visible from the northern hemisphere.

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Walter Baade

Wilhelm Heinrich Walter Baade (March 24, 1893 – June 25, 1960) was a German astronomer who worked in the USA from 1931 to 1959.

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William Herschel

Frederick William Herschel, KH, FRS (German: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer, composer, and brother of Caroline Herschel.

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10 exametres

To help compare different orders of magnitude, this page lists distances starting at 10 Em (1019 m or 1,100 light years).

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10 zettametres

To help compare different orders of magnitude, this page lists distances starting at 10 Zm (1022 m or 1.1 million light years).

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2MASS

The Two Micron All-Sky Survey (2MASS) was a survey of the whole sky in three infrared wavebands around 2 micrometres (μm): J (1.25 μm), H (1.65 μm), and Ks (2.17 μm).

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Redirects here:

2MASX J00385796+4820145, Caldwell 18, Dwarf Elliptical Galaxy NGC 185, Dwarf Spheroidal Galaxy NGC 185, IRAS 00362+4803, LEDA 2329, MCG+08-02-010, NGC185, PGC 2329, UGC 396, Z 0036.2+4803, Z 550-9.

References

[1] https://en.wikipedia.org/wiki/NGC_185

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