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NGC 5286

Index NGC 5286

NGC 5286 (also known as Caldwell 84) is a globular cluster of stars located some 35,900 light years away in the constellation Centaurus. [1]

28 relations: Billion years, Caldwell catalogue, Cambridge University Press, Centaurus, Constellation, Dwarf galaxy, Epoch (astronomy), Extinction (astronomy), Flattening, Galactic Center, Galactic halo, Globular cluster, Hubble Space Telescope, Intermediate-mass black hole, James Dunlop, Light-year, M Centauri, Magnitude (astronomy), Metre per second, Milky Way, Minute and second of arc, Monoceros Ring, Monthly Notices of the Royal Astronomical Society, New General Catalogue, Solar mass, Star, UBV photometric system, Velocity dispersion.

Billion years

A billion years (109 years) is a unit of time on the petasecond scale, more precisely equal to seconds.

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Caldwell catalogue

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

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Cambridge University Press

Cambridge University Press (CUP) is the publishing business of the University of Cambridge.

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Centaurus

Centaurus is a bright constellation in the southern sky.

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Constellation

A constellation is a group of stars that are considered to form imaginary outlines or meaningful patterns on the celestial sphere, typically representing animals, mythological people or gods, mythological creatures, or manufactured devices.

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Dwarf galaxy

A dwarf galaxy is a small galaxy composed of about 100 million up to several billion stars, a small number compared to the Milky Way's 200–400 billion stars.

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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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Extinction (astronomy)

In astronomy, extinction is the absorption and scattering of electromagnetic radiation by dust and gas between an emitting astronomical object and the observer.

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Flattening

Flattening is a measure of the compression of a circle or sphere along a diameter to form an ellipse or an ellipsoid of revolution (spheroid) respectively.

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Galactic Center

The Galactic Center is the rotational center of the Milky Way.

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Galactic halo

A galactic halo is an extended, roughly spherical component of a galaxy which extends beyond the main, visible component.

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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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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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Intermediate-mass black hole

An intermediate-mass black hole (IMBH) is a class of black hole with mass in the range 102-105 solar masses: significantly more than stellar black holes but less than the 105-109 solar mass supermassive black holes.

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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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Light-year

The light-year is a unit of length used to express astronomical distances and measures about 9.5 trillion kilometres or 5.9 trillion miles.

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M Centauri

M Centauri (M Cen) is a binary star in the constellation Centaurus.

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Magnitude (astronomy)

In astronomy, magnitude is a logarithmic measure of the brightness of an object in a defined passband, often in the visible or infrared spectrum, but sometimes across all wavelengths.

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Metre per second

Metre per second (American English: meter per second) is an SI derived unit of both speed (scalar) and velocity (vector quantity which specifies both magnitude and a specific direction), defined by distance in metres divided by time in seconds.

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Milky Way

The Milky Way is the galaxy that contains our Solar System.

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Minute and second of arc

A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to of one degree.

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Monoceros Ring

The Monoceros Ring is a long, complex, ringlike filament of stars that wraps around the Milky Way three times.

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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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New General Catalogue

The New General Catalogue of Nebulae and Clusters of Stars (abbreviated as NGC) is a catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888.

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Solar mass

The solar mass is a standard unit of mass in astronomy, equal to approximately.

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Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

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UBV photometric system

The UBV photometric system (Ultraviolet, Blue, Visual), also called the Johnson system (or Johnson-Morgan system), is a wide band photometric system for classifying stars according to their colors.

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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:

Caldwell 84.

References

[1] https://en.wikipedia.org/wiki/NGC_5286

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