Butterfly Nebula (Bug Nebula) – NGC 6302 (Caldwell 69). It is an ancient constellation that pre-dates the Greeks. Omega-2 Scorpii is a yellow bright giant star of the spectral type G3II-III. Gliese 667 A is a main sequence star belonging to the spectral class K3 V, smaller and less massive than the Sun. It is a vast star-forming region and one of the most active stellar nurseries containing some of the most massive stars known in the Milky Way. Giacconi laid the foundations of X-ray astronomy and won a Nobel Prize for his work in 2002. Scorpius is one of the 48 constellations identified by the Greek astronomer Ptolemy in the second century. The companion is also a class B star, type B6.5V, about 5.3 times more massive than the Sun and with 4.4 times the solar radius. Eta Scorpii is a rapid rotator, with a projected rotational velocity of 150 km/s. Arcturus is also included in the picture for size comparison. The division into Libra was formalised during Roman times. The combined spectrum of the Kappa Scorpii system has the stellar classification of B1.5 III, which signifies the presence of a giant star in a late stage of evolution. Libra was known as the Claws of the Scorpion in Babylonian (zibānītu (compare Arabic zubānā)) and in Greek (χηλαι). The star is 73.5 light years distant from the solar system. It has an apparent magnitude of 1.87 and is approximately 300 light years distant from the solar system. Its symbol is ♏. It is visible in moderate-sized amateur telescopes. The stars are at very different distances from Earth and are not physically related, but they appear close in the line of sight and form a naked eye double. Lambda Scorpii’s traditional name, Shaula, comes from the Arabic al-šawlā´, which means “the raised (tail).”, Acrab (Graffias) – β Scorpii (Beta Scorpii). The star has a distant 11th magnitude companion at a separation of 32.6 arc seconds. C'est une des étoiles de la constellation d'Aquila. The constellation is easy to find in the sky because it is located near the centre of the Milky Way. It is a compact Shapley class II cluster; the classification indicates that it is highly concentrated and dense at its nucleus. The other group consists of two class K stars separated by 11.5 arc seconds. Ptolemy Cluster – Messier 7 (M7, NGC 6475). Image: ESO. The brighter of the two components is itself a binary star with an orbital period of 610 years and its own brighter component is a spectroscopic binary, with components separated by only 1.42 miliarcseconds and orbiting each other every 6.82 days. The whole gas cloud is about 50 light-years across. The estimated age of the star system is about 10-13 million years. Image: NASA, the Hubble Heritage Team, STScI, AURA. It contains a number of notable stars and deep sky objects, including the bright stars Antares and Shaula, the Butterfly Cluster (Messier 6), the Ptolemy Cluster (Messier 7), Cat’s Paw Nebula (NGC 6334), the Butterfly Nebula (NGC 6302), and the War and Peace Nebula (NGC 6357). Delta Scorpii has the stellar classification B0.3 IV and is approximately 490 light years distant. The primary star in the system is a blue-white subgiant with an apparent magnitude of 3.87. The star is sometimes known by its proper name, Apollyon. Mu Scorpii is a designation shared by two star systems separated by 0.1° in the sky. The third component in the system is a distant companion with a visual magnitude of 12.2, located at least 7,000 astronomical units away from the main pair. [citation needed]. Scorpius constellation lies in the southern sky. War and Peace Nebula – ESO’s Very Large Telescope (VLT) has taken the most detailed image so far of a spectacular part of the stellar nursery called NGC 6357. It has since become a variable star fluctuating between 2.0 and 1.6. The cluster is believed to be around 3.2 million years old. Zeta-1 Scorpii is a hypergiant star belonging to the spectral class B1.5Iae, with an apparent magnitude of 4.705. The primary component is a main sequence star belonging to the spectral class B1.5V, about 8.5 times more massive than the Sun and with 4.1 times the solar radius. It is classified as an eclipsing binary star of the Beta Lyrae type, with the two components periodically eclipsing each other. Chaque zircon représente l'une des étoiles principales de la constellation et la médaille mesure 1,7 cm de diamètre. Its name is Latin for scorpion, and its symbol is (Unicode ♏). Gliese 667 B has the stellar classification of K5 V, and has about 69% of the Sun’s mass. Lambda Scorpii B lies 42 arc seconds away from the first component, and Lambda Scorpii C is a 12th magnitude star 95 arc seconds away from component A. The sixth component in the Xi Scorpii system is not confirmed to be gravitationally bound to the other stars. The dimmer subcomponent is yet another spectroscopic binary star with an orbital period of 10.7 days. It is approximately 700 light years distant from the solar system. Ptolemy believed the cluster to be a nebula. The star has an apparent magnitude of 17.8 and is approximately 15,000 light years distant. Nu Scorpii illuminates the reflection nebula IC 4592. The components have visual magnitudes of 5.91, 7.20, and 10.20, and the system is approximately 22.1 light years distant from the Sun. The estimated age of the cluster is around 12.2 billion years. [1] It lies between Libra to the west and Sagittarius to the east. A planet believed to be a gas giant was discovered orbiting the star in 2007, and another extrasolar planet was discovered in 2012. C'est une des étoiles de la constellation du Bouvier. Due to its location straddling 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. The Ptolemy Cluster (Messier 7), image: NASA. Scorpius contains four Messier objects – Messier 4 (M4, NGC 6121), Messier 6 (M6, NGC 6405, Butterfly Cluster), Messier 7 (M7, NGC 6475, Ptolemy Cluster) and Messier 80 (NGC 6093). [9], In some old descriptions the constellation of Libra is treated as the Scorpion's claws. Given their proximity to one another, λ Sco and υ Sco are sometimes referred to as the Cat's Eyes. It has an apparent magnitude of 5.8 and is approximately 18,600 light years distant from the solar system. Wray 17-96 is also one of the most luminous stars known. It has an apparent magnitude of 2.82 and is approximately 470 light years distant. It emits X-rays, and shows an enhanced abundance of barium in its spectrum. The cluster contains about 125 visible stars. At a separation of 20 seconds of arc, a class B9 dwarf with a visual magnitude of 8.7 is also orbiting the main pair. Antares is one of the four first magnitude stars lying within 5° of the ecliptic, along with Aldebaran in the Taurus constellation, Spica in Virgo, and Regulus in Leo. Artemis and Leto sent a scorpion to kill Orion. Antares is also one of the brightest stars in the sky. The Bayer designation Iota Scorpii is shared by two stars. Libertas : en latin Libertas veut dire liberté. The primary star in the spectroscopic binary system is a giant of the spectral type B1 III. Zeta-2 Scorpii is an orange giant with the stellar classification K4III. Très basses sur l'horizon, les étoiles de la tête du Scorpion se repèrent facilement. Globular clusters are particularly useful for studying stellar evolution, since all of the stars in the cluster have the same age (about 15 billion years), but cover a range of stellar masses. The Butterfly Cluster has an apparent magnitude of 4.2 and is approximately 1,600 light years distant from the Sun. Gliese 667 C is a red dwarf belonging to the spectral class M1.5V. M4 is about 75 light years across. It consists of at least five stars forming two groups that are separated by 4.67 arc minutes. Tau Scorpii is a hydrogen fusing dwarf star with a strong, complex magnetic field. There are two meteor showers associated with the constellation: the Alpha Scorpiids and the Omega Scorpiids. Most of them are massive members of the nearest OB association: Scorpius-Centaurus.[3]. NGC 6357 is a diffuse nebula in Scorpius. They have contrasting blue and yellow colours. For the astrological sign, see, The 41 additional constellations added in the 16th, 17th and 18th centuries, Fred Schaaf (Macmillan 1988) 40 Nights to Knowing the Sky: A Night-by-Night Sky-Watching Primer, p. 79 (, personal reflection, personal essay, or argumentative essay, Learn how and when to remove this template message, Stellar constellations in fiction § Scorpius, "Constellation Scorpius - The Constellations on Sea and Sky", AAVSO: Variable Star of the Season: U Scorpii, https://www.academia.edu/41688047/THE_USE_OF_FIXED_STARS_IN_ASTROLOGY, Hawaiian Star Lines and Names for Stars - Star Line 3. The red light comes predominantly from hydrogen gas glowing under the intense glare of hot young stars. The star’s estimated age is about 12 million years. It can be occulted by the Moon and very infrequently by Venus. Located about 28,000 light-years from Earth, M80 contains hundreds of thousands of stars, all held together by their mutual gravitational attraction. Scorpius belongs to the Zodiac family of constellations, along with Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Sagittarius, Capricornus, Aquarius and Pisces. The two brighter components, Gliese 667 A and Gliese 667 B, orbit each other with a period of 42.15 years, and the third component, Gliese 667 C orbits the pair at an angular separation of 30”. Pismis 24-1 consists of at least three objects and has the stellar classification O3.5If/O4III. The stars have an orbital period of 196 days. Iota-2 Scorpii is a supergiant belonging to the spectral class A6Ib. Scorpius is the 33rd constellation in size, occupying an area of 497 square degrees. The nebula contains Pismis 24, an open star cluster that includes several very massive stars. The bright stars in M4 are mostly hot, blue, class B stars, but the brightest one is a class K orange giant, BM Scorpii. The name Antares comes from the ancient Greek Άντάρης, which has been translated as “anti-Ares,” “rival of Mars,” or “like Mars,” referring to the similarity of the star’s red hue to that of the planet Mars. Xi Scorpii is another multiple star system in Scorpius. The neighboring constellations are Ara, Corona Australis, Libra, Lupus, Norma, Ophiuchus and Sagittarius. It has an apparent magnitude of 10.43 and an absolute magnitude of -6.3. It is approximately 2,600 light years distant from the solar system. It has about 0.64 solar masses and is enveloped in a very dense equatorial disc of dust and gas. Its visual brightness ranges from magnitude 4.66 to 4.86. The age of the cluster is estimated to be around 200 million years. This is a comparison between the red supergiant Antares and the Sun, shown as the tiny dot toward the upper right. Scorpius X-1 is an X-ray source in Scorpius. [10], The Western astrological sign Scorpio differs from the astronomical constellation. The star belongs to the spectral class M1.5lab-b and has the radius about 883 times solar. According to one version, Orion boasted to the goddess Artemis and her mother, Leto, that he would kill every animal on Earth. NGC 6124 is a bright, large open cluster in Scorpius. The other visual component also has two subcomponents with an angular separation of 0.1328 and an orbital period of 39 years. It is believed to contain tens of thousands of stars. The star has the stellar classification B0.2V. Messier 4 is a globular cluster in Scorpius. It has an apparent magnitude of 12.2 and is about 9,000 light years distant. G Scorpii is an orange giant with the stellar classification K2 III, approximately 125.8 light years distant. The primary component in the system is classified as a Beta Cephei type variable, which is to say it is a star that exhibits variations in brightness as a result of pulsations of its surface. The designation Zeta Scorpii is shared by two stars separated by 7 arc minutes. It is 18 times more massive than the Sun and has 12 times the solar radius. It is approximately 590 light years distant. Scorpius corresponds to the Hindu nakshatras Anuradha, Jyeshtha, and Mula. It has a 10th magnitude companion at a separation of 37.5 seconds of arc. Messier 80 (NGC 6093) is a globular cluster of magnitude 7.3, 33,000 light-years from Earth. The cluster lies halfway between the stars Antares and Acrab. In total, the Cat’s Paw Nebula could contain several tens of thousands of stars.The nebula appears red because its blue and green light are scattered and absorbed more efficiently by material between the nebula and Earth. Zeta Scorpii, image: PlanetStar at Wikipedia.org. The brightest stars in M4 have an apparent magnitude of 10.8. Découvrez vite notre sélection Pinterest! The Ptolemy Cluster contains about 80 stars, the brightest of which has a visual magnitude of 5.6. It has the stellar classification F5 IV and an apparent magnitude of 3.33. Constellation du Scorpion : nomenclatures et descriptions. It is one of the most luminous stars known, with an estimated bolometric luminosity almost a million times that of the Sun. Antares B has the stellar classification B2.5 and an apparent magnitude of 5.5. (The last recorded occultation by Venus occurred on September 17, 525 BC.). Scorpius is one of the 48 constellations identified by the Greek astronomer Ptolemy in the second century. Antares is a red supergiant star with a visual magnitude of 0.96, approximately 550 light years distant from the Sun. The two constellations lie opposite each other in the sky, and Orion is said to be fleeing from the scorpion as it sets just as Scorpius rises.. It is classified as a variable, as its brightness varies slightly, only by 0.01-0.02 magnitudes. to help give you the best experience we can.