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T Antliae (also abbreviated T Ant) is a Cepheid variable star 2.3 kiloparsecs away from the Sun in the constellation of Antlia. [1]

13 relations: Antlia, Apparent magnitude, Astronomical unit, Astronomy and Astrophysics, Cepheid variable, Constellation, Epoch (astronomy), Million, Parsec, Solar mass, Star, Sun, Variable star.


Antlia (from Ancient Greek ἀντλία) is a constellation in the southern sky.

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Apparent magnitude

The apparent magnitude (m) of a celestial object is a measure of its brightness as seen by an observer on Earth, adjusted to the value it would have in the absence of the atmosphere.

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Astronomical unit

The astronomical unit (symbol au, AU or ua) is a unit of length, roughly the distance from the Earth to the Sun.

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Astronomy and Astrophysics

Astronomy and Astrophysics is a peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics.

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Cepheid variable

A Cepheid variable is a star that pulsates radially, varying in both temperature and diameter to produce brightness changes with a well-defined stable period and amplitude.

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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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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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One million (1,000,000) or one thousand thousand is the natural number following 999,999 and preceding 1,000,001.

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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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Solar mass

The solar mass is a standard unit of mass in astronomy that is used to indicate the masses of other stars, as well as clusters, nebulae and galaxies.

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A star is a luminous sphere of plasma held together by its own gravity.

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The Sun (in Greek: Helios, in Latin: Sol) is the star at the center of the Solar System and is by far the most important source of energy for life on Earth.

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Variable star

A variable star is a star whose brightness as seen from Earth (its apparent magnitude) fluctuates.

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

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