"line formed by Delta Sagittarii (δ Sgr) and Gamma2 Sagittarii (γ Sgr) leads nearly directly to Antares. Fittingly, Gamma2 Sagittarii is Alnasl, the Arabic word for ""arrowhead"", and Delta Sagittarii is called Kaus Media, the ""center of the bow,"" from which the arrow protrudes. Kaus Media bisects Lambda Sagittarii (λ Sgr) and Epsilon Sagittarii (ε Sgr), whose names Kaus Borealis and Kaus Australis refer to the northern and southern portions of the bow, respectively. α Sgr (Rukbat, meaning ""the archer's knee"") despite having the ""alpha"" designation, is not the brightest star of the constellation, having a magnitude of only 3.96"
"points towards the star Antares, the ""heart of the scorpion"", and Sagittarius stands poised to attack should Scorpius ever attack the nearby Hercules, or to avenge Scorpius's slaying of Orion. , the Sun appears in the constellation Sagittarius from 18 December to 18 January. In tropical astrology, the Sun is considered to be in the sign Sagittarius from 22 November to 21 December, and in sidereal astrology, from 16 December to 14 January. Sagittarius (constellation) Sagittarius is one of the constellations of the zodiac. It is one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and remains one"
"Alpha Sagittarii Alpha Sagittarii (α Sagittarii, abbreviated Alpha Sgr, α Sgr), also named Rukbat, is a star in the constellation of Sagittarius. Alpha Sagittarii is a blue, class B dwarf star. It does not appear particularly bright in the sky to the naked eye, with a visual apparent magnitude of +3.97. However, this is due to its distance; in reality, the star is more than double the effective temperature of the Sun and nearly three times as massive, with a luminosity in visible wavelengths about 117 times greater than that of the Sun. Based on an excess emission of infrared"
"bulletin of July 2016 included a table of the first two batches of names approved by the WGSN; which included ""Rukbat"" for this star (Delta Cassiopeiae was later given the name ""Ruchbah""). In Chinese, (), meaning ""Celestial Spring"", refers to an asterism consisting of Alpha Sagittarii, Beta¹ Sagittarii and Beta² Sagittarii. Consequently, Alpha Sagittarii itself is known as (, .) This star, together with Beta¹ Sagittarii and Beta² Sagittarii, were ""Al Ṣuradain"" (ألسردين), the two Surad, desert birds. Alpha Sagittarii Alpha Sagittarii (α Sagittarii, abbreviated Alpha Sgr, α Sgr), also named Rukbat, is a star in the constellation of Sagittarius."
"Working Group on Star Names (WGSN) to catalog and standardize proper names for stars. The WGSN approved the name ""Terebellum"" for Omega Sagittarii on 5 September 2017 and it is now so included in the List of IAU-approved Star Names. In Chinese, (), meaning ""Dog Territory"", refers to an asterism consisting of Omega Sagittarii, 60 Sagittarii, 62 Sagittarii and 59 Sagittarii. Consequently, Omega Sagittarii itself is known as (, .) Omega Sagittarii Omega Sagittarii (ω Sagittarii, abbreviated Ome Sgr, ω Sgr), also named Terebellum, is a G-type subgiant star in the constellation of Sagittarius. It has an apparent visual magnitude"
"Eta Sagittarii Eta Sagittarii (Eta Sgr, η Sagittarii, η Sgr) is a binary star system in the southern zodiac constellation of Sagittarius. Based upon parallax measurements, it is located at a distance of from Earth. It was formerly known as ""Beta Telescopii"" (β Tel). In India, where part of the constellation of Sagittarius represents an Elephant, this star forms the creature's tail. The primary component, η Sagittarii A, is a red giant star with a stellar classification of M2 III. It is an evolved star that is currently at a stage called the asymptotic giant branch, having exhausted both the"
"Omega Sagittarii Omega Sagittarii (ω Sagittarii, abbreviated Ome Sgr, ω Sgr), also named Terebellum, is a G-type subgiant star in the constellation of Sagittarius. It has an apparent visual magnitude of approximately 4.70. ""ω Sagittarii"" (Latinised to ""Omega Sagittarii"") is the star's Bayer designation. This star, together with 60, 62 and 59 Sagittarii, formed the asterism called ""Terebellum"". According to a 1971 NASA memorandum, ""Terebellum"" was originally the title for four stars: Omega Sagittarii as ""Terebellum I"", 59 Sagittarii as ""Terebellum II"", 60 Sagittarii as ""Terebellum III"" and 62 Sagittarii as ""Terebellum IV"" . In 2016, the IAU organized a"
"Sagittarius A* Sagittarius A* (pronounced ""Sagittarius A-star"", standard abbreviation Sgr A*) is a bright and very compact astronomical radio source at the center of the Milky Way, near the border of the constellations Sagittarius and Scorpius. It is part of a larger astronomical feature known as Sagittarius A. Sagittarius A* is the location of a supermassive black hole, like those that are now generally accepted to be at the centers of most spiral and elliptical galaxies. Observations of the star S2 in orbit around Sagittarius A* have been used to show the presence of, and produce data about, the Milky"
"Zeta Sagittarii Zeta Sagittarii (ζ Sagittarii, abbreviated Zeta Sgr, ζ Sgr) is a triple star system and the third-brightest star in the constellation of Sagittarius. Based upon parallax measurements, it is about from the Sun. The three components are designated Zeta Sagittarii A (also named Ascella) and B, themselves forming a binary pair, and a smaller companion star, C. ""ζ Sagittarii"" (Latinised to ""Zeta Sagittarii"") is the system's Bayer designation. The designations of the two components as ""ζ Sagittarii A"", ""B"" and ""C"" derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted"
"Sagitta Sagitta is a dim but distinctive constellation in the northern sky. Its name is Latin for ""arrow"", and it should not be confused with the significantly larger constellation Sagittarius, the archer. Although Sagitta is an ancient constellation, it has no star brighter than 3rd magnitude and has the third-smallest area of all constellations (only Equuleus and Crux are smaller). It was included among the 48 constellations listed by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations defined by the International Astronomical Union. Located to the north of the equator, Sagitta can be seen"
"Mu Sagittarii Mu Sagittarii (μ Sagittarii, abbreviated Mu Sgr, μ Sgr) is a multiple star system in the constellation of Sagittarius. The brightest component, designated Mu Sagittarii Aa, is named Polis. The system is 3,000 light-years from the Sun and is part of the Sgr OB1 stellar association. The components of the Mu Sagittarii system are designated 'A' through 'E', in order of their distance from the brightest, which is Mu Sagittarii A. 'A' is itself a spectroscopic binary with components designated Mu Sagittarii Aa and Ab. Of the five visible stars, component C is considered an optical double, not"
"Beta1 Sagittarii Beta¹ Sagittarii (β¹ Sagittarii, abbreviated Beta¹ Sgr, β¹ Sgr) is a binary star system in the zodiac constellation of Sagittarius. It is visible to the naked eye with a combined apparent visual magnitude of +4.01. Based upon an annual parallax shift of 10.40 mas as seen from Earth, it is located roughly 310 light-years from the Sun. The two components are designated Beta¹ Sagittarii A (also named Arkab Prior) and B. ""β¹ Sagittarii"" (Latinised to ""Beta¹ Sagittarii"") is the system's Bayer designation. The designations of the two components as ""Beta¹ Sagittarii A"" and ""B"" derive from the convention"
"A on 12 September 2016 and it is now so included in the List of IAU-approved Star Names. This star, together with Gamma Sagittarii, Delta Sagittarii, Epsilon Sagittarii, Lambda Sagittarii, Sigma Sagittarii, Tau Sagittarii and Phi Sagittarii comprise the ""Teapot"" asterism. In Chinese, (), meaning ""Dipper"", refers to an asterism consisting of Zeta Sagittarii, Phi Sagittarii, Lambda Sagittarii, Mu Sagittarii, Sigma Sagittarii and Tau Sagittarii. Consequently, Zeta Sagittarii itself is known as (, .) ""Ascella"" was a United States Navy Crater class cargo ship named after the star. Zeta Sagittarii has a combined apparent visual magnitude of +2.59. It is"
"Chinese, (), meaning ""Dipper"", refers to an asterism consisting of Lambda Sagittarii, Phi Sagittarii, Mu Sagittarii, Sigma Sagittarii, Tau Sagittarii and Zeta Sagittarii. Consequently, Lambda Sagittarii itself is known as (, .) \end{align}</math></ref> Lambda Sagittarii Lambda Sagittarii (λ Sagittarii, abbreviated Lambda Sgr, λ Sgr), also named Kaus Borealis, is a star in the southern constellation of Sagittarius. The star marks the top of the Archer's bow. With an apparent visual magnitude of +2.82, this is one of the brighter members of the constellation and, according to the Bortle Dark-Sky Scale, it is readily visible to the naked eye. Based upon"
"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 β Sagittarii (itself a probable binary star) and β Sagittarii. The two systems are separated by 0.36° in the sky. β Sagittarii's two components are designated β Sagittarii A, also named Arkab Prior, and β Sagittarii B (sometimes designated Arkab Prior A and B). β Sagittarii is named Arkab Posterior. Beta Sagittarii is also referred to by the traditional name Arkab. ""β Sagittarii"" (Latinised to ""Beta Sagittariii"") is the groups's Bayer designation; ""β"""
"(IAU). The system bore the traditional name ""Polis"", which is derived from a Coptic word meaning ""foal"". In 2016, the IAU organized a Working Group on Star Names (WGSN) to catalog and standardize proper names for stars. The WGSN decided to attribute proper names to individual stars rather than entire multiple systems. It approved the name ""Polis"" for the component Mu Sagittarii Aa on 5 September 2017 and it is now so included in the List of IAU-approved Star Names. In Chinese, (), meaning ""Dipper"", refers to an asterism consisting of Mu Sagittarii, Phi Sagittarii, Lambda Sagittarii, Sigma Sagittarii, Tau"
"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. The apparent visual magnitude of +1.85 makes it the brightest star in the constellation. Based upon parallax measurements, this star is around from the Sun. The primary component of this binary star system has a stellar classification of B9.5 III, with the luminosity class of III suggesting this is an evolved giant star that has exhausted the supply of hydrogen at its core. The interferometry-measured angular diameter of this star, after correcting for"
"the Almagest, Ptolemy describes the star as ""nebulous and double"", referring to the double nature of the star. Nu Sagittarii The Bayer designation Nu Sagittarii (Nu Sgr, ν Sagittarii, ν Sgr) is shared by two star systems, ν Sagittarii and ν Sagittarii, in the zodiac constellation Sagittarius. The two stars are separated by 0.23° in the sky. Nu Sagittarii has the traditional name Ain al Rami, which is from the Arabic عين الرامي ""ain ar-rāmī"" meaning ""eye of the archer"". Both of the ν stars, together with τ Sgr, ψ Sgr, ω Sgr, 60 Sgr and ζ Sgr were ""Al"
"W Sagittarii W Sagittarii (W Sgr, Gamma-1 Sagittarii (γ¹ Sgr)) is a multiple star system star in the constellation Sagittarius, and a Cepheid variable star. W Sagittarii is an optical line-of-sight companion nearly a degree from the much brighter γ Sgr (Al Nasl) which marks the nozzle or spout of the teapot asterism. W Sgr is listed as component A of a multiple star system catalogued as ADS 11029 and WDS J18050-2935. Components B and C are at 33"" and 46"" respectively and both are 13th magnitude. They are purely optical companions, not physically associated with W Sgr. Component A,"
"Lambda Sagittarii Lambda Sagittarii (λ Sagittarii, abbreviated Lambda Sgr, λ Sgr), also named Kaus Borealis, is a star in the southern constellation of Sagittarius. The star marks the top of the Archer's bow. With an apparent visual magnitude of +2.82, this is one of the brighter members of the constellation and, according to the Bortle Dark-Sky Scale, it is readily visible to the naked eye. Based upon parallax measurements, it is from the Sun. Being 2.1 degrees south of the ecliptic, Lambda Sgr is sometimes occulted by the Moon and, rarely, by a planet. The last planet to pass in"
"Nu Sagittarii The Bayer designation Nu Sagittarii (Nu Sgr, ν Sagittarii, ν Sgr) is shared by two star systems, ν Sagittarii and ν Sagittarii, in the zodiac constellation Sagittarius. The two stars are separated by 0.23° in the sky. Nu Sagittarii has the traditional name Ain al Rami, which is from the Arabic عين الرامي ""ain ar-rāmī"" meaning ""eye of the archer"". Both of the ν stars, together with τ Sgr, ψ Sgr, ω Sgr, 60 Sgr and ζ Sgr were ""Al Udḥiyy"", the Ostrich's Nest. Nu Sagittarii is often cited as one of the earliest identified double stars. In"
"Sagittarii itself is known as (, .) Rho Sagittarii The Bayer designation Rho Sagittarii (Rho Sgr, ρ Sagittarii, ρ Sgr) is shared by two stars in the constellation Sagittarius. The two stars are separated by 0.46° in the sky. Because they are close to the ecliptic, they can be occulted by the Moon and, very rarely, by planets. The next occultation of ρ¹ Sagittarii by a planet will take place on 23 February 2046, when it will be occulted by Venus. In Chinese, (), meaning ""Establishment"", refers to an asterism consisting of ρ¹ Sagittarii ξ² Sagittarii, ο Sagittarii, π Sagittarii,"
"β Sagittarii themselves are known as (, .) and (, .) USS Arkab (AK-130) was a United States Navy Crater class cargo ship named after the system. 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 β Sagittarii (itself a probable binary star) and β Sagittarii. The two systems are separated by 0.36° in the sky. β Sagittarii's two components are designated β Sagittarii A, also named Arkab Prior, and β Sagittarii B (sometimes designated Arkab Prior A and B). β Sagittarii"
"Scorpius Scorpius is one of the constellations of the zodiac. Its name is Latin for scorpion, and its symbol is (Unicode ♏). Scorpius is one of the 48 constellations identified by the Greek astronomer Ptolemy in the second century. It is an ancient constellation that pre-dated the Greeks. It lies between Libra to the west and Sagittarius to the east. It is a large constellation located in the southern hemisphere near the center of the Milky Way. Scorpius contains many bright stars, including Antares (α Sco), ""rival of Mars,"" so named because of its distinct reddish hue; β Sco (Graffias"
"sign zodiac are present among them, most of them with names that clearly identify them, while some reached Greek astronomy with altered names; thus ""Furrow"" became Virgo, ""Pabilsag"" Sagittarius, ""Great One"" Aquarius, ""Swallow Tail"" Pisces and ""Farm Worker"" was reinterpreted as Aries. Virgo, and her main star Spica, have Babylonian precedents. The MUL.APIN associates ""Absin"" ""The Furrow"" with the Sumerian goddess Shala, and on boundary stones of the Kassite era Shala is conventionally depicted as holding a length of grain. Regarding Sagittarius, Pabilsag is a comparatively obscure Sumerian god, later identified with Ninurta. Another name for the constellation was ""Nebu"""
"Xi1 Sagittarii Xi Sagittarii (ξ Sagittarii) is a solitary, blue-white hued star in the zodiac constellation of Sagittarius. It is visible to the naked eye with an apparent visual magnitude of +5.06. Based upon a small annual parallax shift of 1.58 mas as seen from Earth, this system is located roughly 2,100 light years from the Sun. This is a massive supergiant star with a stellar classification of B9/A0 Ib. With an estimated 7.8 times the mass of the Sun and an age of about 40 million years it has depleted the hydrogen at its core, causing it to expand"
"first is a 10th magnitude star at an angular separation of 93 arcseconds with a position angle of 303°. There is a fainter, 13th magnitude star at an angular separation of 33 arcseconds along a position angle of 276°. \end{align}</math></ref> Eta Sagittarii Eta Sagittarii (Eta Sgr, η Sagittarii, η Sgr) is a binary star system in the southern zodiac constellation of Sagittarius. Based upon parallax measurements, it is located at a distance of from Earth. It was formerly known as ""Beta Telescopii"" (β Tel). In India, where part of the constellation of Sagittarius represents an Elephant, this star forms the"
"Nu1 Sagittarii Nu¹ Sagittarii (ν¹ Sagittarii, abbreviated Nu¹ Sgr, ν¹ Sgr) is a triple star system lying approximately 1,100 light-years from Earth. Its three components are designated Nu¹ Sagittarii A (also named Ainalrami), B and C. A and B themselves form a spectroscopic binary. ""ν¹ Sagittarii"" (Latinised to ""Nu¹ Sagittarii"") is the system's Bayer designation. Nu¹ and Nu² Sagittarii (together designated Nu Sagittarii) bore the traditional name ""Ain al Rami"", which is from the Arabic عين الرامي ""ain ar-rāmī"" meaning 'eye of the archer'. In 2016, the IAU organized a Working Group on Star Names (WGSN) to catalog and standardize"
"Rho Sagittarii The Bayer designation Rho Sagittarii (Rho Sgr, ρ Sagittarii, ρ Sgr) is shared by two stars in the constellation Sagittarius. The two stars are separated by 0.46° in the sky. Because they are close to the ecliptic, they can be occulted by the Moon and, very rarely, by planets. The next occultation of ρ¹ Sagittarii by a planet will take place on 23 February 2046, when it will be occulted by Venus. In Chinese, (), meaning ""Establishment"", refers to an asterism consisting of ρ¹ Sagittarii ξ² Sagittarii, ο Sagittarii, π Sagittarii, 43 Sagittarii and υ Sagittarii. Consequently, ρ¹"
"Sagittarius Star Cloud The Sagittarius Star Cloud (also known as Messier 24 and IC 4715) is a star cloud in the constellation of Sagittarius, approximately 600 light years wide, which was discovered by Charles Messier in 1764. It is sometimes known as the Small Sagittarius Star Cloud to distinguish it from the Great Sagittarius Star Cloud located to the north of Gamma Sagittarii and Delta Sagittarii. The stars, clusters and other objects comprising M24 are part of the Sagittarius or Sagittarius-Carina arms of the Milky Way galaxy. Messier described M24 as a ""large nebulosity containing many stars"" and gave its"
"for stars. The WGSN states that in the case of multiple stars the name should be understood to be attributed to the brightest component by visual brightness. The WGSN approved the names ""Arkab Prior"" and ""Arkab Posterior"" for ""β Sagittarii A"" and ""β Sagittarii"" on 5 October 2016 and they are now so entered in the IAU Catalog of Star Names. ""β"" and ""β Sagittarii"", together with Alpha Sagittarii, were ""Al Ṣuradain"" (الصردين), the two ""Surad"", ""desert birds"". In Chinese, (), meaning ""Celestial Spring"", refers to an asterism consisting of β Sagittarii, β Sagittarii, and Alpha Sagittarii, Consequently, β and"
"Beta2 Sagittarii Beta² Sagittarii (β² Sagittarii, abbreviated Beta² Sgr, β² Sgr) is a star in the zodiac constellation of Sagittarius. It is visible to the naked eye, having an apparent visual magnitude of +4.29. Based upon an annual parallax shift of 24.31 mas as seen from Earth, it is located 134 light-years from the Sun. Based upon variations in its proper motion, this is a probable astrometric binary system. As such, its two components would be designated Beta² Sagittarii A (also named Arkab Posterior) and B ""β² Sagittarii"" (Latinised to ""Beta² Sagittarii"") is the system's Bayer designation. The designations of"
"and ""β Sagittarii"", those of its two constituents. The designations of ""β's"" components - ""β Sagittarii A"" and ""B"" - derive from the convention used by the Washington Multiplicity Catalog (WMC) for multiple star systems, and adopted by the International Astronomical Union (IAU). The system's traditional name ""Arkab"" derives from the Arabic عرقوب ""arqūb"" meaning ""Achilles Tendon"". The two constituents bore the traditional names ""Arkab Prior"" and ""Arkab Posterior"" since ""β"" leads ""β"" (or ""β"" follows ""β"") across the sky. In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN) to catalogue and standardize proper names"