The star names approved by the International Astronomical Union (IAU) are Axólotl, Baten Kaitos, Diphda, Kaffaljidhma, Menkar, Mira, Mpingo, and Felixvarela.Ĭetus constellation map by IAU and Sky&Telescope magazine MythĬetus represents the sea monster from the Greek myth of the princess Andromeda, whose boastful mother Cassiopeia angered the sea god Poseidon and the Nereids (sea nymphs) by claiming that she was more beautiful than any of them. The constellation contains eight formally named stars. There are three meteor showers associated with Cetus: the October Cetids, the Eta Cetids, and the Omicron Cetids. The brightest star in the constellation is Diphda (Beta Ceti). The three-letter abbreviation, adopted by the International Astronomical Union (IAU) in 1922, is Cet.Ĭetus belongs to the Perseus family of constellations, along with Andromeda, Auriga, Cassiopeia, Cepheus, Lacerta, Pegasus, Perseus, and Triangulum.Ĭetus has 14 stars with known planets and contains one Messier object, Messier 77 (M77, NGC 1068). The genitive form of Cetus, used in star names, is Ceti (pronunciation: /ˈsiːtaɪ). In English, the constellation is known as the Sea Monster. The constellation name Cetus is pronounced /ˈsiːtəs/. The neighboring constellations are Aquarius, Aries, Eridanus, Fornax, Pisces, Sculptor, and Taurus. It lies in the first quadrant of the southern hemisphere (SQ1) and can be seen at latitudes between +70° and -90°. It is one of the 15 equatorial constellations. Facts, location and mapĬetus is the fourth largest constellation in the sky, occupying an area of 1231 square degrees. It also hosts Earendel, the most distant star discovered to date. It was catalogued by the Greek astronomer Ptolemy in the 2nd century.Ĭetus is home to the barred spiral galaxy Messier 77 and several well-known stars: Diphda (Beta Ceti), Menkar (Alpha Ceti), Tau Ceti and the famous variable star Mira (Omicron Ceti). The constellation Cetus lies in the region of the sky called the Water, along with several other constellations with names evocative of water: Eridanus (the river), Aquarius (the water bearer), Pisces (the fish), etc. In the myth, the princess was sacrificed to the monster as punishment for her mother Cassiopeia’s boastfulness. The constellation was named after Cetus, the sea monster from the Greek myth about Andromeda. Also known as the Whale, it is one of the largest constellations in the sky. There are fifty-one Extrasolar Planets in this constellation, detailed on this site.Cetus constellation is located in the northern sky. The twelve Zodiac constellations are the constellations that lie on the Ecliptic. The Earth is tilted at an angle of 23.44°, which is why the two differ. The Ecliptic is the path that the Earth takes around the Sun. The Celestial Equator is the projection of the Terrestrial Equator into space. Cetus lies south of the Ecliptic, which is different to the Celestial Equator. Two hundred and fourteen stars can be seen with the naked eye in the constellation on a clear night sky.Ĭetus is an equatorial celestial constellation. The Hipparcos satellite scanned and detailed two thousand nine hundred and sixty-five stars. Constellations are not equally sized.Ĭetus has fifteen stars that make up the constellation. Cetus is the 4th largest in terms of size in the night sky. degrees of the night sky, equating to 2.99% of the night sky. The Zodiac constellations are the ones astrologers use to predict a person's future based on their birth date.Ĭetus (Constellation) takes up 1231.411 sq. and 168 A.D.Ĭetus is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. It can be when referring to the constellation shortened or abbreviated to Cet.Ĭetus is one of the original constellations that was devised by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. Typically, it is within the boundaries of the constellation or was once until they were redrawn. The genitive form is Ceti, which means anything at the end of its name infers a relationship to the constellation. Cetus is a Latin name that in English means "The Whale".
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