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15 relations: Adaptive optics, Apparent magnitude, Brown dwarf, Camelopardalis, Constellation, Exoplanet, Gas giant, Guide Star Catalog, MMT Observatory, Star, Telescope, Tycho-2 Catalogue, XO Telescope, XO-3b, 2MASS.
Adaptive optics
Adaptive optics (AO) is a technology used to improve the performance of optical systems by reducing the effect of incoming wavefront distortions by deforming a mirror in order to compensate for the distortion.
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Apparent magnitude
The apparent magnitude of a celestial object is a number that is a measure of its brightness as seen by an observer on Earth.
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Brown dwarf
Brown dwarfs are substellar objects that occupy the mass range between the heaviest gas giant planets and the lightest stars, having masses between approximately 13 to 75–80 times that of Jupiter, or approximately to about.
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Camelopardalis
Camelopardalis is a large but obscure constellation of the northern sky representing a giraffe.
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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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Exoplanet
An exoplanet or extrasolar planet is a planet outside our solar system.
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Gas giant
A gas giant is a giant planet composed mainly of hydrogen and helium.
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Guide Star Catalog
The Guide Star Catalog (GSC), also known as the Hubble Space Telescope, Guide Catalog (HSTGC), is a star catalog compiled to support the Hubble Space Telescope with targeting off-axis stars.
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MMT Observatory
The MMT Observatory (MMTO) is an astronomical observatory on the site of Fred Lawrence Whipple Observatory (IAU observatory code 696).
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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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Telescope
A telescope is an optical instrument that aids in the observation of remote objects by collecting electromagnetic radiation (such as visible light).
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Tycho-2 Catalogue
The Tycho-2 Catalogue is an astronomical catalogue of more than 2.5 million of the brightest stars.
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XO Telescope
The XO Telescope is a telescope located on the 3,054 m summit of Haleakala on Maui, Hawaii, formed by a pair of 200 mm telephoto lenses.
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XO-3b
XO-3b is an exoplanet with about 11.79 times the mass of Jupiter, and an orbit around its parent star in about 3.2 days.
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2MASS
The Two Micron All-Sky Survey, or 2MASS, was an astronomical survey of the whole sky in the infrared spectrum and one of the most ambitious such projects.
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