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22 relations: Brown dwarf, Constellation, Exoplanet, G-type main-sequence star, Guide Star Catalog, HAT-P-12, HAT-P-13b, HAT-P-13c, HAT-P-7, HATNet Project, Hot Jupiter, Jupiter, Kelvin, Light-year, Methods of detecting exoplanets, OGLE-TR-111, Radial velocity, Star, Transit (astronomy), Tycho-2 Catalogue, Ursa Major, 2MASS.
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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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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G-type main-sequence star
A G-type main-sequence star (Spectral type: G-V), often (and imprecisely) called a yellow dwarf, or G dwarf star, is a main-sequence star (luminosity class V) of spectral type G. Such a star has about 0.84 to 1.15 solar masses and surface temperature of between 5,300 and 6,000 K., G. M. H. J. Habets and J. R. W. Heintze, Astronomy and Astrophysics Supplement 46 (November 1981), pp.
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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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HAT-P-12
HAT-P-12 is a magnitude 13 Metal-Poor K Dwarf star approximately 465 light years away in the constellation Canes Venatici.
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HAT-P-13b
HAT-P-13b is an extrasolar planet approximately 700 light-years away in the constellation Ursa Major.
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HAT-P-13c
HAT-P-13c is a substellar object orbiting the star HAT-P-13 located 698 light years away from Earth in the constellation of Ursa Major.
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HAT-P-7
HAT-P-7 is a F-type main sequence star located about 1100 light-years away in the constellation Cygnus.
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HATNet Project
The Hungarian Automated Telescope Network (HATNet) project is a network of six small fully automated "HAT" telescopes.
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Hot Jupiter
Hot Jupiters are a class of gas giant exoplanets that are inferred to be physically similar to Jupiter but that have very short orbital period (P The close proximity to their stars and high surface-atmosphere temperatures resulted in the moniker "hot Jupiters". Hot Jupiters are the easiest extrasolar planets to detect via the radial-velocity method, because the oscillations they induce in their parent stars' motion are relatively large and rapid compared to those of other known types of planets. One of the best-known hot Jupiters is 51 Pegasi b. Discovered in 1995, it was the first extrasolar planet found orbiting a Sun-like star. 51 Pegasi b has an orbital period of about 4 days.
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Jupiter
Jupiter is the fifth planet from the Sun and the largest in the Solar System.
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Kelvin
The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.
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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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Methods of detecting exoplanets
Any planet is an extremely faint light source compared to its parent star.
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OGLE-TR-111
OGLE-TR-111 is a yellow dwarf star approximately 5,000 light-years away in the constellation of Carina (the Keel).
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Radial velocity
The radial velocity of an object with respect to a given point is the rate of change of the distance between the object and the point.
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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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Transit (astronomy)
In astronomy, a transit or astronomical transit is the phenomenon of at least one celestial body appearing to move across the face of another celestial body, hiding a small part of it, as seen by an observer at some particular vantage point.
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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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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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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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References
[1] https://en.wikipedia.org/wiki/HAT-P-13
