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Z Chamaeleontis

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Z Chamaeleontis (abbreviated Z Cha) is an dwarf nova variable star system approximately 316 light-years away from the Sun, where two stars orbit each other every 1.78 hours. [1]

15 relations: Astronomical unit, Brown dwarf, Chamaeleon, Dwarf nova, HW Virginis, Jupiter, Light-year, NN Serpentis, OY Carinae, Red dwarf, Substellar object, Sun, The Astrophysical Journal, Variable star, White dwarf.

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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Brown dwarfs are substellar objects not massive enough to sustain hydrogen-1 fusion reactions in their cores, unlike main-sequence stars.

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Chamaeleon is a small constellation in the southern sky.

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A U Geminorum-type variable star, or dwarf nova (pl. novae) is a type of cataclysmic variable star consisting of a close binary star system in which one of the components is a white dwarf that accretes matter from its companion.

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HW Virginis, abbreviated HW Vir, is an eclipsing binary system (of the Algol type) approximately 590 light-years away (based on the stellar properties and magnitudes: the Hipparcos trigonometric parallax measurement has too high an error value to be useful) in the constellation of Virgo.

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Jupiter is the fifth planet from the Sun and the largest planet in the Solar System.

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

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NN Serpentis (abbreviated NN Ser) is an eclipsing binary system approximately 1670 light-years away, likely forming a cataclysmic variable star.

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OY Carinae (abbreviated OY Car) is an eclipsing binary system approximately 277 light-years away from the Sun, classed as cataclysmic variable.

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A red dwarf is a small and relatively cool star on the main sequence, either late K or M spectral type.

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A substellar object, sometimes called a substar, is an astronomical object whose mass is smaller than the smallest mass at which hydrogen fusion can be sustained (approximately 0.08 solar masses).

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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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The Astrophysical Journal, often abbreviated ApJ (pronounced "ap jay") in references and speech, is a peer-reviewed scientific journal of astrophysics, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler.

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

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A white dwarf, also called a degenerate dwarf, is a stellar remnant composed mostly of electron-degenerate matter.

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

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