♡ Scorpius

This article is about the constellation. For the astrological sign, see Scorpio (astrology). For other uses, see Scorpius (disambiguation).

Scorpius

Constellation

List of stars in Scorpius

Scorpius

Abbreviation Sco

Genitive Scorpii

Pronunciation /ˈskɔrpiəs/, genitive /ˈskɔrpiaɪ/

Symbolism the Scorpion

Right ascension 16.8875 h

Declination −30.7367°

Quadrant SQ3

Area  497 sq. deg. (33rd)

Main stars 15

Bayer/Flamsteedstars 47

Stars with planets 13

Stars brighter than 3.0013

Stars within 10.00 pc (32.62 ly) 3

Brightest star  Antares (α Sco) (0.96m)

Nearest star Gliese 682(16.44 ly, 5.04 pc)

Messier objects  4

Meteor showers

Alpha ScorpiidsOmega Scorpiids

Borderingconstellations

SagittariusOphiuchus

Libra

Lupus

Norma

Ara

Corona Australis

Visible at latitudes between +40° and −90°.Best visible at 21:00 (9 p.m.) during the month of July.

Scorpius, sometimes known as Scorpio, is one of the constellations of the zodiac. Its name is Latin for scorpion, and its symbol is Scorpio.svg (Unicode ♏). It lies between Libra to the west andSagittarius to the east. It is a large constellation located in the southern hemisphere near the center of the Milky Way.


The constellation Scorpius as it can be seen by naked eye (with constellation lines drawn in).AlltheSky.com

Stars

Scorpius contains many bright stars, including Antares (α Sco), β1 Sco(Graffias), δ Sco (Dschubba), θ Sco(Sargas), λ Sco (Shaula), ν Sco (Jabbah), ξ Sco (Girtab), π Sco (Iclil), σ Sco (Alniyat),τ Sco (also known as Alniyat) and υ Sco(Lesath). Most of the bright stars are massive members of the nearest OB association: Scorpius-Centaurus.[1] Its bright stars form a pattern like alongshoreman’s hook.

The star δ Sco, after having been a stable 2.3 magnitude star, flared in July 2000 to 1.9 in a matter of weeks. it has since become a variable star fluctuating between 2.0 and 1.6.[2] This means that at its brightest it is the second brightest star in Scorpius.

U Scorpii is the fastest known nova with a period of about 10 years.[3]

ω¹ Scorpii and ω² Scorpii are an optical double, which can be resolved by the unaided eye. They have contrasting blue and yellow colours.

The star once designated γ Sco (despite being well within the boundaries of Libra) is today known as σ Lib. Moreover, the entire constellation of Libra was considered to be claws of Scorpius (Chelae Scorpionis) in Ancient Greek times, with a set of scales held aloft byAstraea (represented by adjacent Virgo) being formed from these western-most stars during later Greek times. The division into Libra was formalised during Roman times.

λ Sco and υ Sco, two stars at the end of the scorpion’s tail that appear very close together, are sometimes referred to as the Cat’s Eyes.

Deep sky objects

Due to its location on the Milky Way, this constellation contains many deep sky objects such as the open clusters Messier 6 (the Butterfly Cluster) and Messier 7 (the Ptolemy Cluster), NGC 6231 (by ζ² Sco), and the globular clusters Messier 4 and Messier 80.

Mythology

Scorpius as depicted in Urania’s Mirror, a set of constellation cards published in London c.1825.

In Greek Mythology the myths associated with Scorpio almost invariably also contain a reference to Orion. According to one of these myths it is written that Orion boasted to goddess Artemis and her mother, Leto, that he would kill every animal on the earth. Although Artemis was known to be a hunter herself she offered protection to all creatures. Artemis and her mother Leto sent a scorpion to deal with Orion. The pair battled and the scorpion killed Orion. However, the contest was apparently a lively one that caught the attention of the king of the gods Zeus, who later raised the scorpion to heaven and afterwards, at the request of Artemis, did the same for Orion to serve as a reminder for mortals to curb their excessive pride. There is also a version that Orion was better than the goddess Artemis but said that Artemis was better than he and so Artemis took a liking to Orion. The god Apollo, Artemis’s twin brother, grew angry and sent a scorpion to attack Orion. After Orion got killed, Artemis asked Zeus to put Orion up in the sky. So every winter Orion hunts in the sky, but every summer he flees as the constellation of the scorpion comes.

In another Greek story involving Scorpio without Orion, Phaeton (the mortal male offspring of Helios) went to his father, who had earlier sworn by the River Styx to give Phaeton anything he should ask for. Phaeton wanted to drive his father’s Sun Chariot for a day. Although Helios tried to dissuade his son, Phaeton was adamant. However, when the day arrived, Phaeton panicked and lost control of the white horses that drew the chariot. First, the Earth grew chill as Phaeton flew too high and encountered the celestial scorpion, its deadly sting raised to strike. Alarmed, he dipped the chariot too close, causing the vegetation to burn. By accident, Phaeton turned most of Africa into desert and darkened the skin of the Ethiopian nation until it was black. Eventually, Zeus was forced to intervene by striking the runaway chariot and Phaeton with a lightning bolt to put an end to its rampage and Phaeton plunged into the River Eridanos.[4]

Origins

The Babylonians called this constellation MUL.GIR.TAB – the ‘Scorpion’, the signs can be literally read as ‘the (creature with) a burning sting’. The Claws of the Scorpion were also known as the Scales in Babylonia.[5]

Astrology

Main article: Scorpio (astrology)

The Western astrological sign Scorpio of the tropical zodiac (October 23 – November 21) differs from the astronomical constellation and the Hindu astrological sign of the sidereal zodiac (November 16 – December 16). Astronomically, the sun is in Scorpius for just one week, from November 23 – November 30. Much of the difference is due to the constellation Ophiuchus, which is used by only a few astrologers. Scorpius corresponds to the nakshatras Anuradha, Jyeshtha, and Mula.

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