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28 relations: American Association of Variable Star Observers, Andromeda (constellation), Andromeda Galaxy, Astronomical spectroscopy, Belfast, Cassiopeia A, Coordinated Universal Time, Durchmusterung, Epoch (astronomy), Ernst Hartwig, Estonia, G1.9+0.3, Galaxy, Gérard de Vaucouleurs, Hubble Space Telescope, Kepler's Supernova, Kitt Peak, Light-year, List of Andromeda's satellite galaxies, Milky Way, Nicholas U. Mayall Telescope, SN 1895B, SN 2002bj, Supernova, Tartu Observatory, Type Ia supernova, Variable star designation, 2MASS.
American Association of Variable Star Observers
Since its founding in 1911, the American Association of Variable Star Observers (AAVSO) has coordinated, collected, evaluated, analyzed, published, and archived variable star observations made largely by amateur astronomers and makes the records available to professional astronomers, researchers, and educators.
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Andromeda (constellation)
Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations.
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Andromeda Galaxy
The Andromeda Galaxy, also known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.
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Astronomical spectroscopy
Astronomical spectroscopy is the study of astronomy using the techniques of spectroscopy to measure the spectrum of electromagnetic radiation, including visible light and radio, which radiates from stars and other celestial objects.
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Belfast
Belfast (is the capital city of Northern Ireland, located on the banks of the River Lagan on the east coast of Ireland.
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Cassiopeia A
Cassiopeia A (Cas A) is a supernova remnant (SNR) in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies above 1 GHz.
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Coordinated Universal Time
No description.
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Durchmusterung
In astronomy, Durchmusterung or Bonner Durchmusterung (BD), is the comprehensive astrometric star catalogue of the whole sky, compiled by the Bonn Observatory (Germany) from 1859 to 1903.
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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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Estonia
Estonia (Eesti), officially the Republic of Estonia (Eesti Vabariik), is a sovereign state in Northern Europe.
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G1.9+0.3
G1.9+0.3 is a supernova remnant (SNR) in the constellation of Sagittarius.
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Galaxy
A galaxy is a gravitationally bound system of stars, stellar remnants, interstellar gas, dust, and dark matter.
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Gérard de Vaucouleurs
Gérard Henri de Vaucouleurs (25 April 1918 – 7 October 1995) was a French astronomer.
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Hubble Space Telescope
The Hubble Space Telescope (HST) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation.
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Kepler's Supernova
SN 1604, also known as Kepler's Supernova, Kepler's Nova or Kepler's Star, was a supernova of Type Ia that occurred in the Milky Way, in the constellation Ophiuchus.
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Kitt Peak
Kitt Peak (Ioligam) is a mountain in the U.S. state of Arizona, and at is the highest point in the Quinlan Mountains.
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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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List of Andromeda's satellite galaxies
The Andromeda Galaxy (M31) has satellite galaxies just like the Milky Way.
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Milky Way
The Milky Way is the galaxy that contains our Solar System.
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Nicholas U. Mayall Telescope
The Nicholas U. Mayall Telescope, also known as the Mayall 4-meter Telescope, is a four-meter reflector telescope located at the Kitt Peak National Observatory and named after Nicholas U. Mayall.
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SN 1895B
SN 1895B was a supernova in the galaxy NGC 5253.
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SN 2002bj
SN 2002bj was the explosion of a star in the galaxy NGC 1821, located in the constellation Lepus.
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Supernova
A supernova (plural: supernovae or supernovas, abbreviations: SN and SNe) is a transient astronomical event that occurs during the last stellar evolutionary stages of a star's life, either a massive star or a white dwarf, whose destruction is marked by one final, titanic explosion.
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Tartu Observatory
The Tartu Observatory (Tartu Observatoorium) is the largest astronomical observatory in Estonia.
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Type Ia supernova
A type Ia supernova (read "type one-a") is a type of supernova that occurs in binary systems (two stars orbiting one another) in which one of the stars is a white dwarf.
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Variable star designation
Variable stars are designated using a variation on the Bayer designation format of an identifying label (as described below) combined with the Latin genitive of the name of the constellation in which the star lies.
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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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Redirects here:
AAVSO 0037+40, S And, S Andromedae, Supernova 1885.
References
[1] https://en.wikipedia.org/wiki/SN_1885A
