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Bayer designation

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A Bayer designation is a stellar designation in which a specific star is identified by a Greek letter, followed by the genitive form of its parent constellation's Latin name. [1]

95 relations: Aldebaran, Algol, Alnilam, Alnitak, Alpha Andromedae, Alpha Sagittarii, Andromeda (constellation), Apparent magnitude, Aquarius (constellation), Argo Navis, Asterism (astronomy), Astronomer, Auriga (constellation), B Centauri, Bellatrix, Benjamin Apthorp Gould, Beta Sagittarii, Beta Tauri, Betelgeuse, Binary star, Boötes, Canopus, Carina (constellation), Castor (star), Castor and Pollux, Centaurus, Cygnus (constellation), Delphinus, Double star, Ecliptic, Epsilon Sagittarii, Flamsteed designation, Fomalhaut, G Scorpii, Gamma Draconis, Gemini (constellation), Genitive case, Gould designation, Greek alphabet, Greek numerals, HD 117440, HD 90853, Hercules (constellation), HR 3803, International Astronomical Union, Johann Bayer, Kappa Ceti, Latin, Libra (constellation), Lists of constellations, ..., Mintaka, NGC 869, Nicolas-Louis de Lacaille, Nu Boötis, Omicron Scorpii, Orion (constellation), P Cygni, Pegasus (constellation), Pi Orionis, Pi1 Orionis, Pi2 Orionis, Pi3 Orionis, Pi4 Orionis, Pi5 Orionis, Pi6 Orionis, Piscis Austrinus, Pole star, Pollux (star), Precession, Proper motion, Ptolemy, Puppis, Q Puppis, R Leporis, Rho Aquilae, Rigel, Sagittarius (constellation), Scorpius, Sigma Librae, Sirius, SN 1572, Star catalogue, Star cluster, Stellar designations and names, Table of stars with Bayer designations, Taurus (constellation), Thuban, Upsilon Librae, Uranometria, Variable star designation, Vela (constellation), W Ursae Majoris, Xi Arietis, Zodiac, 88 modern constellations. Expand index (45 more) »

Aldebaran

Aldebaran, designated Alpha Tauri (α Tauri, abbreviated Alpha Tau, α Tau), is an orange giant star located about 65 light-years from the Sun in the zodiac constellation of Taurus.

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Algol

Algol, designated Beta Persei (β Persei, abbreviated Beta Per, β Per), known colloquially as the Demon Star, is a bright multiple star in the constellation of Perseus and one of the first non-nova variable stars to be discovered.

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Alnilam

Alnilam, designated Epsilon Orionis (ε Orionis, abbreviated Epsilon Ori, ε Ori) and 46 Orionis (46 Ori), is a large blue supergiant star some 2,000 light-years distant in the constellation of Orion.

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Alnitak

Alnitak, designated Zeta Orionis (ζ Orionis, abbreviated Zeta Ori, ζ Ori) and 50 Orionis (50 Ori), is a multiple star several hundred parsecs from the Sun in the constellation of Orion.

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Alpha Andromedae

Alpha Andromedae (α Andromedae, abbreviated Alpha And or α And), also named Alpheratz, is located 97 light-years from the Sun and is the brightest star in the constellation of Andromeda.

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Alpha Sagittarii

Alpha Sagittarii (α Sagittarii, abbreviated Alpha Sgr, α Sgr), also named Rukbat, is a star in the constellation of Sagittarius.

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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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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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Aquarius (constellation)

Aquarius is a constellation of the zodiac, situated between Capricornus and Pisces.

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Argo Navis

Argo Navis (the Ship Argo), or simply Argo, was a large constellation in the southern sky that has since been divided into the three constellations of Carina, Puppis and Vela.

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Asterism (astronomy)

In observational astronomy, an asterism is a popular known pattern or group of stars that are recognised in the night sky.

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Astronomer

An astronomer is a scientist in the field of astronomy who concentrates their studies on a specific question or field outside the scope of Earth.

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Auriga (constellation)

Auriga is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century astronomer Ptolemy.

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B Centauri

B Centauri (B Cen) is a star in the constellation Centaurus.

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Bellatrix

Bellatrix, also designated Gamma Orionis (γ Orionis, abbreviated Gamma Ori, γ Ori), is the third-brightest star in the constellation of Orion, 5° west of the red giant Alpha Orionis (Betelgeuse).

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Benjamin Apthorp Gould

Benjamin Apthorp Gould (September 27, 1824 – November 26, 1896) was a pioneering American astronomer.

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Beta Sagittarii

Beta Sagittarii (β Sagittarii, abbreviated Beta Sgr, β Sgr) is the common designation shared by two star systems in the constellation of Sagittarius, themselves designated β1 Sagittarii (itself a probable binary star) and β2 Sagittarii.

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Beta Tauri

Beta Tauri (β Tauri, abbreviated Beta Tau, β Tau), also named Elnath, is the second-brightest star in the constellation of Taurus with an apparent magnitude of 1.65.

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Betelgeuse

Betelgeuse, also designated Alpha Orionis (α Orionis, abbreviated Alpha Ori, α Ori), is the ninth-brightest star in the night sky and second-brightest in the constellation of Orion.

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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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Boötes

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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Canopus

Canopus, also designated Alpha Carinae (α Carinae, abbreviated Alpha Car, α Car), is the brightest star in the southern constellation of Carina, and the second-brightest star in the night-time sky, after Sirius.

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Carina (constellation)

Carina is a constellation in the southern sky.

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Castor (star)

Castor, also designated Alpha Geminorum (α Geminorum, abbreviated Alpha Gem, α Gem) is the second-brightest star in the constellation of Gemini and one of the brightest stars in the night sky.

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Castor and Pollux

Castor and Pollux (or in Greek, Polydeuces) were twin brothers and demigods in Greek and Roman mythology, known together as the Dioscuri.

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Centaurus

Centaurus is a bright constellation in the southern sky.

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Cygnus (constellation)

Cygnus is a northern constellation lying on the plane of the Milky Way, deriving its name from the Latinized Greek word for swan.

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Delphinus

Delphinus (Eng. U.S.) Eng.

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Double star

In observational astronomy, a double star or visual double is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope.

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Ecliptic

The ecliptic is the circular path on the celestial sphere that the Sun follows over the course of a year; it is the basis of the ecliptic coordinate system.

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Epsilon Sagittarii

Epsilon Sagittarii (ε Sagittarii, abbreviated Epsilon Sgr, ε Sgr), also named Kaus Australis, is a binary star system in the southern zodiac constellation of Sagittarius.

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Flamsteed designation

A Flamsteed designation is a combination of a number and constellation name that uniquely identifies most naked eye stars in the modern constellations visible from southern England.

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Fomalhaut

Fomalhaut, also designated Alpha Piscis Austrini (α Piscis Austrini, abbreviated Alpha PsA, α PsA) is the brightest star in the constellation of Piscis Austrinus and one of the brightest stars in the sky.

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G Scorpii

G Scorpii (abbreviated G Sco), also named Fuyue, is a star in the constellation of Scorpius.

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Gamma Draconis

Gamma Draconis (γ Draconis, abbreviated Gamma Dra, γ Dra), also named Eltanin, is a star in the northern constellation of Draco.

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Gemini (constellation)

Gemini is one of the constellations of the zodiac.

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Genitive case

In grammar, the genitive (abbreviated); also called the second case, is the grammatical case that marks a word, usually a noun, as modifying another word, also usually a noun.

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Gould designation

Gould designations for stars are similar to Flamsteed designations in the way that they number stars within a constellation in increasing order of right ascension.

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Greek alphabet

The Greek alphabet has been used to write the Greek language since the late 9th or early 8th century BC.

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Greek numerals

Greek numerals, also known as Ionic, Ionian, Milesian, or Alexandrian numerals, are a system of writing numbers using the letters of the Greek alphabet.

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HD 117440

HD 117440, also known by its Bayer designation d Centauri (d Cen), is a binary star in the constellation Centaurus.

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HD 90853

HD 90853, also called s Carinae (s Car), is a star in the constellation Carina.

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Hercules (constellation)

Hercules is a constellation named after Hercules, the Roman mythological hero adapted from the Greek hero Heracles.

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HR 3803

HR 3803 or N Velorum (N Vel) is a 3rd-magnitude star on the border between the southern constellations Carina and Vela.

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International Astronomical Union

The International Astronomical Union (IAU; Union astronomique internationale, UAI) is an international association of professional astronomers, at the PhD level and beyond, active in professional research and education in astronomy.

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Johann Bayer

Johann Bayer (1572 – 7 March 1625) was a German lawyer and uranographer (celestial cartographer).

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Kappa Ceti

The Bayer designation κ Ceti (Kappa Ceti) is shared by two stars in the constellation of Cetus.

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Latin

Latin (Latin: lingua latīna) is a classical language belonging to the Italic branch of the Indo-European languages.

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Libra (constellation)

Libra is a constellation of the zodiac.

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Lists of constellations

The following lists of constellations are available.

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Mintaka

Mintaka, also designated Delta Orionis (δ Orionis, abbreviated Delta Ori, δ Ori) and 34 Orionis (34 Ori) is a multiple star some 1,200 light years from the Sun in the constellation of Orion.

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NGC 869

NGC 869 is an open cluster located 7600 light years away in the constellation of Perseus.

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Nicolas-Louis de Lacaille

Abbé Nicolas-Louis de Lacaille, formerly sometimes spelled de la Caille, (15 March 1713 – 21 March 1762) was a French astronomer.

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Nu Boötis

The Bayer designation Nu Boötis (ν Boo / ν Boötis) is shared by two star systems, in the constellation Boötes.

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Omicron Scorpii

Omicron Scorpii (ο Sco, ο Scorpii) is a star in the zodiac constellation of Scorpius.

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Orion (constellation)

Orion is a prominent constellation located on the celestial equator and visible throughout the world.

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P Cygni

P Cygni (34 Cyg) is a variable star in the constellation Cygnus.

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Pegasus (constellation)

Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology.

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Pi Orionis

Pi Orionis (π Ori, π Orionis) is a group of fairly widely scattered stars in the constellation Orion that constitute the asterism Orion's Shield or Orion's Bow.

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Pi1 Orionis

Pi1 Orionis (π1 Ori, π1 Orionis) is a star in the equatorial constellation of Orion.

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Pi2 Orionis

Pi2 Orionis (π2 Ori, π2 Orionis) is the Bayer designation for a solitary star in the equatorial constellation of Orion.

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Pi3 Orionis

Pi³ Orionis (π³ Orionis, abbreviated Pi³ Ori, π³ Ori), also named Tabit, is a star in the equatorial constellation of Orion.

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Pi4 Orionis

Pi4 Orionis (π4 Ori, π4 Orionis) is a binary star system in eastern part of the Orion constellation.

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Pi5 Orionis

Pi5 Orionis (π5 Ori, π5 Orionis) is a binary star system in the constellation Orion.

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Pi6 Orionis

Pi6 Orionis (π6 Ori, π6 Orionis) is a solitary star in the eastern part of the constellation Orion.

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Piscis Austrinus

Piscis Austrinus is a constellation in the southern celestial hemisphere.

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Pole star

Pole star or polar star refers to a star, preferably bright, closely aligned to the axis of rotation of an astronomical object.

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Pollux (star)

Pollux, also designated Beta Geminorum (β Geminorum, abbreviated Beta Gem, β Gem), is an orange-hued evolved giant star approximately 34 light-years from the Sun in the northern constellation of Gemini.

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Precession

Precession is a change in the orientation of the rotational axis of a rotating body.

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Proper motion

Proper motion is the astronomical measure of the observed changes in the apparent places of stars or other celestial objects in the sky, as seen from the center of mass of the Solar System, compared to the abstract background of the more distant stars.

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Ptolemy

Claudius Ptolemy (Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos; Claudius Ptolemaeus) was a Greco-Roman mathematician, astronomer, geographer, astrologer, and poet of a single epigram in the Greek Anthology.

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Puppis

Puppis is a constellation in the southern sky.

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Q Puppis

The Bayer designations q Puppis and Q Puppis are distinct.

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R Leporis

R Leporis (R Lep), sometimes called Hind's Crimson Star, is a well-known variable star in the constellation Lepus, near its border with Eridanus.

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Rho Aquilae

Rho Aquilae, ρ Aquilae, is the Bayer designation for a star in the northern constellation of Delphinus.

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Rigel

Rigel, also designated Beta Orionis (β Orionis, abbreviated Beta Ori, β Ori), is generally the seventh-brightest star in the night sky and the brightest star in the constellation of Orion—though periodically it is outshone within the constellation by the variable Betelgeuse.

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Sagittarius (constellation)

Sagittarius is one of the constellations of the zodiac.

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Scorpius

Scorpius is one of the constellations of the zodiac.

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Sigma Librae

Sigma Librae (σ Librae, abbreviated Sig Lib, σ Lib) is a binary star in the constellation of Libra.

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Sirius

Sirius (a romanization of Greek Σείριος, Seirios,."glowing" or "scorching") is a star system and the brightest star in the Earth's night sky.

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SN 1572

SN 1572 (Tycho's Supernova, Tycho's Nova), or B Cassiopeiae (B Cas), was a supernova of Type Ia in the constellation Cassiopeia, one of about eight supernovae visible to the naked eye in historical records.

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Star catalogue

A star catalogue (Commonwealth English) or star catalog (American English), is an astronomical catalogue that lists stars.

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Star cluster

Star clusters are groups of stars.

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Stellar designations and names

Designations and names of stars (and other celestial bodies) are currently primarily mediated in the scientific community by the International Astronomical Union (IAU), a de facto authority.

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Table of stars with Bayer designations

This table lists those stars or other objects which have Bayer designations by the constellation in which those stars or objects lie.

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Taurus (constellation)

Taurus (Latin for "the Bull") is one of the constellations of the zodiac, which means it is crossed by the plane of the ecliptic.

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Thuban

Thuban, also designated Alpha Draconis (α Draconis, abbreviated Alpha Dra, α Dra), is a star (or star system) in the constellation of Draco.

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Upsilon Librae

Upsilon Librae (υ Lib, υ Librae) is the Bayer designation for a double star in the zodiac constellation Libra.

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Uranometria

Uranometria is the short title of a star atlas produced by Johann Bayer.

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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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Vela (constellation)

Vela is a constellation in the southern sky.

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W Ursae Majoris

W Ursae Majoris (W UMa) is the variable star designation for a binary star system in the northern constellation of Ursa Major.

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Xi Arietis

Xi Arietis, Latinized from ξ Arietis, is the Bayer designation for a binary star system in the northern constellation of Aries.

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Zodiac

The zodiac is an area of the sky that extends approximately 8° north or south (as measured in celestial latitude) of the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year.

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88 modern constellations

In modern astronomy, the sky (celestial sphere) is divided into 88 regions called constellations, generally based on the asterisms (which are also called "constellations") of Greek and Roman mythology.

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Bayer classification, Bayer designations, Bayer letter, Bayer letters, Bayer's Name.

References

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

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