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T Boötis is believed to have been a nova. [1]

13 relations: Arcturus, Boötes, Constellation, Edward Charles Pickering, Epoch (astronomy), Ernst Hartwig, Ernst Zinner, Friedrich August Theodor Winnecke, Galactic plane, International Celestial Reference System, Joseph Ashbrook, Joseph Baxendell, Nova.


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Boötes is a constellation in the northern sky, located between 0° and +60° declination, and 13 and 16 hours of right ascension on the celestial sphere.

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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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Edward Charles Pickering

Edward Charles Pickering (July 19, 1846 – February 3, 1919) was an American astronomer and physicist as well as the older brother of William Henry Pickering.

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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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Ernst Hartwig

Carl Ernst Albrecht Hartwig (14 January 1851 in Frankfurt – 3 May 1923 in Bamberg) was a German astronomer.

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Ernst Zinner

Ernst Zinner (2 February 1886, Goldberg, Silesia – 30 August 1970) was a German astronomer and noted historian of astronomy.

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Friedrich August Theodor Winnecke

Friedrich August Theodor Winnecke (February 5, 1835 in Groß-Heere, near Hannover – December 3, 1897 in Bonn) was a German astronomer.

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Galactic plane

The galactic plane is the plane in which the majority of a disk-shaped galaxy's mass lies.

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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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Joseph Ashbrook

Joseph Ashbrook (April 4, 1918 – August 4, 1980) was an American astronomer.

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Joseph Baxendell

Joseph Baxendell (1815-1887) was an English meteorologist and astronomer.

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A nova (plural novae or novas) is a cataclysmic nuclear explosion on a white dwarf, which causes a sudden brightening of the star.

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

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