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Variable star designation

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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. [1]

25 relations: Alphabet, Astronomical naming conventions, Bayer designation, Constellation, Fraktur, French language, Friedrich Wilhelm Argelander, General Catalogue of Variable Stars, Genitive case, German language, Germany, International Astronomical Union, Latin, Latin script, Letter case, Lists of constellations, Nicolas-Louis de Lacaille, Q Carinae, R Coronae Borealis, Serpens, Star catalogue, Stellar designations and names, V603 Aquilae, Variable star, YZ Ceti.

Alphabet

An alphabet is a standard set of letters (basic written symbols or graphemes) that is used to write one or more languages based upon the general principle that the letters represent phonemes (basic significant sounds) of the spoken language.

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Astronomical naming conventions

In ancient times, only the Sun and Moon, a few hundred stars and the most easily visible planets had names.

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Bayer designation

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.

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Christmas

Christmas is an annual festival commemorating the birth of Jesus Christ,Martindale, Cyril Charles.

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Christmas and holiday season

The Christmas season, also called the festive season, or the holiday season (mainly in the U.S. and Canada; often simply called the holidays),, is an annually recurring period recognized in many Western and Western-influenced countries that is generally considered to run from late November to early January.

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Christmas Eve

Christmas Eve is the evening or entire day before Christmas Day, the festival commemorating the birth of Jesus.

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Christmas traditions

Christmas traditions vary from country to country.

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Constellation

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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Fraktur

Fraktur is a calligraphic hand of the Latin alphabet and any of several blackletter typefaces derived from this hand.

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French language

French (le français or la langue française) is a Romance language of the Indo-European family.

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Friedrich Wilhelm Argelander

Friedrich Wilhelm August Argelander (22 March 1799 – 17 February 1875) was a German astronomer.

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General Catalogue of Variable Stars

The General Catalogue of Variable Stars (GCVS) is a list of variable stars.

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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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German language

German (Deutsch) is a West Germanic language that is mainly spoken in Central Europe.

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Germany

Germany (Deutschland), officially the Federal Republic of Germany (Bundesrepublik Deutschland), is a sovereign state in central-western Europe.

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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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Latin

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

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Latin script

Latin or Roman script is a set of graphic signs (script) based on the letters of the classical Latin alphabet, which is derived from a form of the Cumaean Greek version of the Greek alphabet, used by the Etruscans.

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Letter case

Letter case (or just case) is the distinction between the letters that are in larger upper case (also uppercase, capital letters, capitals, caps, large letters, or more formally majuscule) and smaller lower case (also lowercase, small letters, or more formally minuscule) in the written representation of certain languages.

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Lists of constellations

The following lists of constellations are available.

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New Year

New Year is the time or day at which a new calendar year begins and the calendar's year count increments by one.

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New Year's Day

New Year's Day, also called simply New Year's or New Year, is observed on January 1, the first day of the year on the modern Gregorian calendar as well as the Julian calendar.

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New Year's Eve

In the Gregorian calendar, New Year's Eve (also known as Old Year's Day or Saint Sylvester's Day in many countries), the last day of the year, is on 31 December which is the seventh day of Christmastide.

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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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Q Carinae

The Bayer designations q Carinae and Q Carinae are distinct.

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R Coronae Borealis

R Coronae Borealis is a peculiar low-mass yellow supergiant star in the constellation of Corona Borealis.

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Serpens

Serpens ("the Serpent", Greek Ὄφις) is a constellation of the northern hemisphere.

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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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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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V603 Aquilae

V603 Aquilae (or Nova Aquilae 1918) was a bright nova occurring in the constellation Aquila in 1918.

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Variable star

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

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YZ Ceti

YZ Ceti is a red dwarf star in the constellation Cetus.

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2018

2018 has been designated as the third International Year of the Reef by the International Coral Reef Initiative.

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2019

2019 (MMXIX) will be a common year starting on Tuesday of the Gregorian calendar, the 2019th year of the Common Era (CE) and Anno Domini (AD) designations, the 19th year of the 3rd millennium, the 19th year of the 21st century, and the 10th and last year of the 2010s decade.

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Redirects here:

Variable star designations.

References

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

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