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Eta Canis Minoris

Index Eta Canis Minoris

Eta Canis Minoris (η CMi, η Canis Minoris) is a binary star system in the equatorial constellation of Canis Minor. [1]

12 relations: Apparent magnitude, Binary star, Canis Minor, Constellation, Earth, Epoch (astronomy), Giant star, International Celestial Reference System, Light-year, Minute and second of arc, Stellar classification, University of Illinois at Urbana–Champaign.

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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Binary star

A binary star is a star system consisting of two stars orbiting around their common barycenter.

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Canis Minor

Canis Minor is a small constellation in the northern celestial hemisphere.

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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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Earth is the third planet from the Sun and the only astronomical object known to harbor life.

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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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Giant star

A giant star is a star with substantially larger radius and luminosity than a main-sequence (or dwarf) star of the same surface temperature.

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International Celestial Reference System

The International Celestial Reference System (ICRS) is the current standard celestial reference system adopted by the International Astronomical Union (IAU).

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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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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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Stellar classification

In astronomy, stellar classification is the classification of stars based on their spectral characteristics.

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University of Illinois at Urbana–Champaign

The University of Illinois Urbana–Champaign (also known as U of I, Illinois, or colloquially as the University of Illinois or UIUC) is a public research university in the U.S. state of Illinois and the flagship institution of the University of Illinois System.

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Redirects here:

5 Canis Minoris, Η Canis Minoris.


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

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