It has a diameter of about 20 kilometres and its rotation speed at the surface is 30,000 km/h. Tau Sagittarii is an orange giant star belonging to the spectral type K1 or K2, approximately 120 light years distant. This, however, only applies to Mars and it happens very rarely. The cluster is heavily obscured and has an apparent magnitude of 12.8. OGLE-2006-BLG-109L (spectral class M0V) has two known exoplanets, suspected analogs of Jupiter and Saturn, discovered in 2008. Another Greek myth connects Sagittarius with Crotus, the son of Pan, the goat-god, and Eupheme, the nurse of the Muses. What is atypical for a B8V class star is that Alpha Sagittarii is emitting an excess flux of X-rays, possibly because its companion star is still in the pre-main sequence stage. Most likely, the primary component is an A type supergiant. Satyrs did.) The cluster was discovered by John Herschel in 1830. Sagittarius constellation, Baades Window and the Teapot, photo: NASA, ESA, Z. Levay (STScI) and A. Fujii. Sagittarius belongs to the Zodiac family of constellations, along with Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpius, Capricornus, Aquarius and Pisces. Before being assigned to Sagittarius, the star system was known as Beta Telescopii. The stars agony has culminated in a wonderful planetary nebula known as NGC 6565, a cloud of gas that was ejected from the star after strong stellar winds pushed the stars outer layers away into space. It occupies an area 8.8 arc minutes in size. When Ehman discovered it, he printed his findings out, circled the signal and wrote Wow! next to it, which is how the signal got its name. The Box Nebula, catalogued as NGC 6445, is a planetary nebula with a visual magnitude of 11.2. It is one of the closest stars to the Sun and the nearest star in Sagittarius constellation. The cluster has an apparent diameter of 7 arc minutes and a visual magnitude of 9.47. The star cannot be observed in visual bands because less than a billionth of its light in the visible spectrum reaches us, which translates to about 35th visual magnitude. Sagittarius is most often associated with Crotus, the son of Pan (the goat-god) and Eupheme (the Muses' nurse). Its estimated age is between 3 and 4.5 million years. However, the ancient Greeks had a great deal of respect for the horse, and so were reluctant to make the centaurs entirely bad. They guard their hearts carefully because they are highly sensitive individuals that fear being hurt. The nebula was discovered by Edward Charles Pickering on July 15, 1882. Box Nebula (NGC 6445), image: NASA and STScI. Messier 70 is a globular cluster in Sagittarius, located close to the Galactic centre. The nebulas central star is more than 12,000 times more luminous than the Sun. Its name means divided into three lobes. Image: ESO. Messier 70 offers a special case because it has undergone what is known as a core collapse. The significance of the name is unknown, except that it is a proper name. It is one of the nearest globular star clusters to Earth. Astronomers have nicknamed it the Garden-sprinkler Nebula due to its appearance. Another companion star is only 13th magnitude and can be seen 33 arc seconds away from the primary, while the faintest star in the system is 10th magnitude and is separated from the brightest star by 93 arc seconds. It has an apparent magnitude of 13 and lies at an estimated distance between 3,000 and 8,000 light years from Earth. However, it is pretty unlikely that the star has a sufficiently high spin velocity to produce a LGRB and the exact inclination of its spin axis is uncertain. It's just a matter of which stars you think go with which other ones. Peony Star, or WR 102ka, is one of the most luminous stars known in our galaxy. It lies at a distance of 26,100 light years from Earth. This was the largest event of its kind seen in the Milky Way since 1604, when the type Ia supernova SN 1604 (Keplers Nova) was observed by the German astronomer Johannes Kepler in the direction of Ophiuchus constellation. SAGITTARIUS, The Archer, represents a centaur - half-man, half-horse, descended from Ixion, the man who dared to lust after Hera, wife of Zeus. Mythology Of Astrology - Astrology Club It has an apparent magnitude of 4.27 and is approximately 137 light years distant. It is located between Zeta and Sigma Sagittarii. The Delta Sagittarii system is known in fiction from William R. Forstchens 1969 novel Into the Sea of Stars. As understood through the centaur, the Sagittarius sign is as optimistic as the archer but . They are believed to be a type of magnetar. With a mass of 10,000 solar masses, it is about 10 times more massive than typical open clusters in the Milky Way. The cause of these outbursts is not understood, but the rapidity with which they rise and fall indicates that they are occurring near the event horizon, or point of no return, around the black hole. Sagittarius is one of the 12 zodiac constellations that was first catalogued by the Greek astronomer Ptolemy in the 2nd century. WR 104 is a triple star consisting of a Wolf-Rayet star and two hot blue main sequence companions. Gamma Sagittarii is also known by its traditional names, Alnasl and Nushaba. M75 is believed to be around 13 billion years old and sits approximately 67,500 light-years away from Earth. NGC 6624 is another globular cluster in Sagittarius. The Pistol Star is one of the most luminous stars known. At the bottom centre is a rather unremarkable smudge of red which is in fact a rare and valuable object. In these clusters, even more stars squeeze into the objects core than on average, such that the brightness of the cluster increases steadily towards its centre. Chiron the centaur was brilliant and kind a teacher to figures like Jason and Achilles, and a friend to the hero Heracles (via Greek Mythology). People born under the Zodiac sign of Sagittarius, from November 22 to December 21, are said to be magnetic, passionate, adventurous, and intense, according to Allure perfect traits, in fact, to describe the archer figure that represents them. A Summary and Analysis of the Myth of Centaurs A gas giant planet was discovered orbiting the orange dwarf HD 164604 (K3.5Vk) in 2010. Without the interstellar dust in the way, despite its distance it would be a fourth magnitude star, visible to the unaided eye. The Upsilon Sagittarii system is about 1,672 light years distant and has an orbital period of 137.939 days. The last time this happened was on November 19, 1984, when Venus passed in front of the star, eclipsing it. Copy and paste it, adding a note of your own, into your blog, a Web page, forums, a blog comment, your Facebook account, or anywhere that someone would find this page valuable. It has a faint 14th magnitude companion 32 arc seconds away. Together with the stars Delta (Kaus Media) and Lambda Sagittarii (Kaus Borealis), Epsilon Sagittarii represents the archers bow. M22 was originally discovered by the German amateur astronomer Johann Abraham Ihle in 1665. It is also associated with Crotus, the satyr who kept company of the Muses on Mount Helicon. Centaurs were often associated with the abduction (or attempted abduction . According to the Babylonians, Sagittarius is associated with the god Pabilsag. The signs are: Aries, Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpio, Sagittarius, Capricorn, Aquarius and Pisces. The image was made from data obtained through four different filters (B, V, R, and H-alpha). The several star forming regions that make up W31 are located at different distances, but appear together in the sky because they lie in the same line of sight when observed from Earth. As the stars interact with each other over time, lighter stars tend to pick up speed and migrate out toward the clusters edges, while the heavier stars slow and congregate in orbits toward the centre. It is approximately 77.3 light years distant. The cluster spans 10 light years and has an apparent size of 5 arc minutes. It has an apparent magnitude of 12 and with a linear radius of 160 light years it occupies 7.3 of the apparent sky. In mythology, Sagittarius represents a centaur, which is a half human, half horse creature with the torso of a man and the body and four legs of a horse. Like other zodiac constellations, Sagittarius was first catalogued by the Greek astronomer Ptolemy in the 2nd century. The third star in the system is an O-type star with an apparent magnitude of 15.36. It lies close to the star Zeta Sagittarii. Sagittarius in Mythology The story of Sagittarius originates from Greek mythology, specifically that of Chiron, an immortal centaur who acted as teacher to many ancient Greek heroes. Zodiac Signs and Greek mythology One of the most well-known aspects of astrology is the connection between the zodiac signs and Greek mythology. The cluster was discovered by William Herschel on 24 June, 1784. However, this does not make them cold . It is a suspected binary star, even though a companion has never been confirmed. The clusters, Arches (upper right), Quintuplet (upper center), and the GC cluster (bottom center), contain massive stars that appear as very bright, point-like X-ray sources when winds from their surfaces collide with those from an orbiting companion. It is less that 3 million years old, but it has shed a lot of its initial mass and is expected to end its life in a supernova or hypernova event in the next few million years. First discovered by amateur Japanese astronomer, Yukio Sakurai, in 1996, and noted as a nova-like object, Sakurais discovery turned out to be far more interesting than the supernova he initially supposed it to be. It occupies an area of 867 square degrees. The offspring of this union was Kentauros, who was shunned by gods and . Some of the brightest stars in Sagittarius Delta, Epsilon, Gamma-2, Lambda, Zeta, Phi, Tau and Sigma Sagittarii form an asterism known as the Teapot. Each zodiac sign has a special symbol, or glyph, that's associated with the mythology behind it. The complex of star forming regions is obscured by interstellar dust, but it can be observed in radio, infrared and X-ray bands. It has an apparent magnitude of 6.0 and is approximately 4,100 light years distant. The companion star is more massive than the primary, but so faint that optical telescopes cannot detect it. The planets SWEEPS-04, orbiting the magnitude 18 star SWEEPS J175853.92291120.6 (F5V), and SWEEPS-11, with the parent star SWEEPS J175902.67291153.5, are among the most distant exoplanets known, both located at a distance of 27,710 light years from Earth. Because he was close to the Muses, they were the ones who asked Zeus to place him in the sky. The stars luminosity is uncertain it is estimated to be about 3.2 million times that of the Sun because the star is heavily obscured by dust and not visible in optical bands. Mythology And Facts About The Idealistic Sagittarius The birthday of a Sagittarius-born will always fall between November 22nd and December 21st. The Sagittarius Cluster is located near the galactic bulge, the central group of stars in the Milky Way. The constellation of Sagittarius (which literally means "archer" in Latin, per Britannica) is said to be a centaur or satyr holding a bow and arrow, according to Gods and Monsters. The Trifid Nebula is about 28 arcminutes across in size. Eta Sagittarii is another multiple star system in Sagittarius. Terzan 5 has a mass of about 2 million solar masses and bolometric luminosity 800,000 times that of the Sun. Westerhout 31 (W31) is a massive H II region in Sagittarius. NGC 6559 is a star-forming region consisting of emission and reflection nebulae and dark absorption nebulae, lying about 5,000 light years from Earth. The nebulas appearance earned it the nickname Eye of Sauron Nebula. Also catalogued as ESO 456-67, the nebula was discovered by Rudolph Minkowski in 1946. The genitive form of Sagittarius, used in star names, is Sagittarii (pronunciation: /sdtria/). The Small Sagittarius Star Cloud (Messier 24) is, as the name says, a star cloud in the constellation Sagittarius. It is good to remember the reason why Sagittarius is a centaur in the first place. Pi Sagittarii is a triple star system approximately 440 light years distant, with an apparent magnitude of 2.88. The constellations symbol is . It is believed to be associated with the close binary. Alpha Sagittarii is a blue dwarf belonging to the spectral class B8V. The zodiacal constellation Sagittarius represents the centaur Chiron. Edwin Hubble identified 15 variable stars in Barnards Galaxy, 11 of which were Cepheids, luminous variable stars that have a strong relationship between luminosity and pulsation period, which makes them excellent standard candles (objects with a known luminosity) for determining galactic and extragalactic distance scales. In fiction, Rukbat is probably best known from Anne McCaffreys Dragonriders of Pern series of novels and stories. It cannot be seen visually, but must be observed in radio, X-ray and infrared bands. It is a blue variable star that is about four million times as luminous as our Sun and 120-200 times as massive. This image was taken using the FORS instrument, mounted on ESOs Very Large Telescope. M 1-42 is another planetary nebula in the constellation, located at a distance of 10,000 light years from Earth. Sagittarius is an astrological sign transitted by the Sun from approximately November 23rd to December 22nd. It cannot be seen in visual bands as a result of interstellar extinction, but was discovered in infrared observations. Around the year 6300, the system will have moved from Sagittarius to the Corona Australis constellation. It belongs to the spectral type B9V. The image of the Peony Nebula star was taken by NASAs Spitzer Space Telescope in its naturally dusty region. The sign of Sagittarius is associated with the greek myth of the centaur Chiron, who was the product of a union between a nymph and the god Cronus, who turned into horse to seduce her. It lies in an area of the sky known as Baades Window. Terzan 5 is a globular cluster about 18,800 light years away in the Milky Way bulge. The stars are 28 arc seconds apart. The subgiant has an apparent magnitude of 3.93 and is approximately 122 light years distant from the solar system. The star is believed to have a debris disk, like Vega, the brightest star in the constellation Lyra. This is unusually young for such a cluster. These are pulsating stars belonging to the spectral class A (and occasionally F), usually with a mass of about half the Suns, used as standard candles to measure galactic distances. What is the flower of Sagittarius? V4641 Sagittarii is the fourth known microquasar, discovered after four of the fastest X-ray intensity changes ever seen from a star. Presently, there exists another centaur heavenly body, Centaurus, who is accepted to be named Chiron. The cluster is nine light years in radius, has an apparent magnitude of 7.5, and is approximately 4,900 light years distant. Sometimes, Sagittarius is also associated with the Greek goddess Tyche and the Norse God Thor. The huge number of stars that light up this region dramatically emphasise the blackness of dark clouds like Barnard 86, which appears at the centre of this new picture from the Wide Field Imager, an instrument mounted on the MPG/ESO 2.2-metre telescope at ESOs La Silla Observatory in Chile. The closest complex of regions in W31 is formed by G10.2-0.3 and G10.6-0.4. Delta Sagittarii has a radius 62 times solar, a mass about five times solar, and is 1180 times more luminous than the Sun. Little Gem Nebula, image: Judy Schmidt (CC BY 2.0). By 1999, the star became invisible in optical wavelengths as a result of being obscured by a very thick shell of dust. The spiral structure Sagittarius A West appears like a three-arm spiral and is sometimes called the Minispiral. All content Copyright 2010-2020, Royal Mint Publishing LLC. Some explanations suggest that there is something different about clusters that form within dwarf galaxies, giving them a different composition. The Arches Cluster is the densest open cluster known in the Milky Way. The name is derived from the astronomical constellation Sagittarius, meaning "archer" in Latin. The last occultation occurred on September 3, 423. It goes by many different names: Omega Nebula, Horseshoe Nebula, Lobster Nebula, Swan Nebula, Checkmark Nebula, and Sharpless 45. The brightest companion star is an F class dwarf with an apparent magnitude of 7.77. Like several other stars in Sagittarius, Albaldah is near the ecliptic and can occasionally be occulted by the Moon and planets. It was originally discovered by Charles Messier in 1764. Sakurais Object is a so-called born again star, one that was originally a white dwarf but swelled into a red giant as a result of a late thermal pulse and is expected to evolve back into a white dwarf. Since it lies very close to the ecliptic, Lambda Sagittarii is occasionally occulted by the Moon and, more rarely, by planets. It was named after R. J. Sagittarius Constellation (the Archer): Stars, Myth, Facts, Location The Sagittarius Dwarf is believed to already have orbited the Milky Way about 10 times in the last billion years or so, and it still appears to have coherence as an elongated ellipse despite being torn apart by enormous tidal forces as a result of the interaction. Located on the far side of our galaxy, the cluster is heavily obscured by dust, but visible in infrared wavelengths. It has an apparent magnitude that varies from 6.5 to 14.0 over a pulsational period of 732 days. Also prominent in the upper left of this new image is a striking bubble-shaped nebula. He even invented the bow, according to Greek mythology. The two nebulae are probably part of the same larger star-forming region. The planetary nebula in the Sagittarius Cluster, designated GJJC1 is believed to be only 6,000 years old and has a blue star at the centre. Image: ESO/J. It contains very few variable stars. This is the most popular version of the Sagittarius story. The Omega Nebula has an apparent magnitude of 6.0 and is between 5,000 and 6,000 light years distant. It is a hydrogen fusing dwarf star that belongs to the spectral type B2.5 V. It has an apparent magnitude of 2.1. Individuals born between November 22 and December 21 are known to be Sagittarius individuals. It was discovered by the French astronomer Nicolas Louis de Lacaille in 1751 and included by Messier in his catalogue in 1778. 1806-20 contains at least three Wolf-Rayet stars, an OB supergiant, the soft gamma repeater SGR 1806-20 and LBV 1806-20, once of the most luminous stars in the Milky Way. Image: ESO. Other than Virgo, the Sagittarius myth is probably the most commonly misinterpreted of all of the constellation myths. It is an eclipsing binary star, with a B8 supergiant star for a primary component and a B2 type giant as the companion star. Image: U Harvard. Pi Sagittarii is also sometimes known as Albaldah, from the Arabic blda, which means the town. Egyptian astronomer Al Achsasi al Mouakket designated it Nir al Beldat in his star catalogue Calendarium in the mid-17th century. The constellations Sagittarius and Centaurus are both supposed to represent a centaur, a creature with the upper torso of a man and the body and legs of a horse . The clouds have an ionized surface. Sag DEGs ellipse is already extended around our galaxy, and the main cluster will pass through the galactic disc of the Milky Way in the next million years. Planetary nebulae are illuminated for around 10 000 years before the central star begins to cool and shrink to become a white dwarf. Even though Chiron was skilled in medicine, he also could not heal himself, putting him in great pain. The Gamma designation used to be shared by two star systems in Sagittarius, Gamma-1 and Gamma-2, which were separated by 0.86 in the sky. The VLT Survey Telescope (VST) at ESOs Paranal Observatory in Chile has captured this richly detailed new image of the Lagoon Nebula. Its inner elongated shape is believed to be the result of a fast wind of material travelling away from the hot 15th magnitude central star. Its final helium flash is expected to occur in the next few decades. It is 15-20 light years in radius and contains about 150 stars. Successive generations of stars have built up the metallic abundances we see today. Observations in 2009 revealed that the cluster contains at least two generations of stars, one with an estimated age of 12 billion years and another about 4.5 billion years old. The nebula was first discovered by William Herschel in 1787. Messier included the cluster in his catalogue in June 1764. Messier 28, based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA). Also discovered were more than two thousand other X-ray sources and huge lobes of 20 million-degree Centigrade gas (the red loops in the image at approximately the 2 oclock and 7 oclock positions). The star has a luminosity 3,300 times that of the Sun and about seven solar masses. Its symbol is . Image: NASA/CXC/MIT/F.K.Baganoff et al. Its estimated age is 90 million years. The signal was received by SETI researcher Dr. Jerry R. Ehman on August 15, 1977 at the Ohio State University. Its traditional name, Ascella, means armpit in Latin. Chiron was wise and skilled not only in the arts of war but also healing and philosophy. In Greek myths, Sagittarius is shown as the representative of the Greek god Zeus. The Lagoon Nebula is a large interstellar cloud classified as an emission nebula. Messier 69 is a globular cluster. The star was named after the shape of the nebula it illuminates, the Pistol Nebula. This Chandra image of Sgr A* and the surrounding region was made from a 164 hours of observation time over a two-week period. Polis is about 3,912 light years distant from Earth. The most prominent members are Wolf-Rayet stars and O-type supergiants. It is one of the stars that mark the handle of the Teapot asterism. It is located about a degree to the east of Messier 8, the more famous and much larger Lagoon Nebula. It has about a third of the luminosity of the Eta Carinae binary system in the constellation Carina and is believed to radiate as much energy in 20 seconds as the Sun does in a year. Ross 154 is a red dwarf only 9.68 light years away from the solar system. It is an H II region, containing a stellar nursery full of embryonic stars. These images have an energy and motivate our behaviour from a deep primitive level of the unconscious. Reddish nebulae in this image reveal regions of active star formation, wherein young, hot stars heat up nearby gas clouds. It has an apparent magnitude of 3.97 and is approximately 170 light years distant. Astronomers recently discovered that all the stars in Terzan 7 were born at around the same time, and are about eight billion years old. . The Sagittarius symbol, or glyph is designed to depict the Centaur or Archer. It has an apparent magnitude of 5.1 and is approximately 10,600 light years distant. The cluster lies only 10,400 light years from the Galactic centre. The origin of Eta Sagittariis proper name Sephdar is unknown. The region has relatively low amounts of dust and allows a view of the Galactic centre. The Sagittarius Dwarf Elliptical Galaxy (Sag DEG) is an elliptical galaxy shaped like a loop. Once enough material was ejected, the stars luminous core was exposed and it began to produce ultraviolet radiation, exciting the surrounding gas to varying degrees and causing it to radiate in an attractive array of colours. Sagittarius Zodiac Sign | Astrology Answers The nebula is in fact a combination of an emission nebula (the lower part), a reflection nebula (the upper part) and an open cluster. Yet, it isn't the correct one, according to Gods and Monsters, which holds that the constellation Zeus created in Chiron's honor was actually Centaurus, a constellation that borders Libra (via Sea and Sky). Each appears in a different hue red, orange, yellow, and green-tinted bands of gas are visible, with clear patches of space at the heart of the nebula. A transiting planet was spotted orbiting the magnitude 16 eclipsing variable star OGLE-TR-10 (G2V) in 2002. Alternatively, some mythology identifies Sagittarius as the son of Pan, the god who created archery. The star marks the base of the archers bow. This image from the Wide Field Imager on the MPG/ESO 2.2-metre telescope at ESOs La Silla Observatory in Chile, shows the bright star cluster NGC 6520 and its neighbour, the strangely shaped dark cloud Barnard 86. History and Mythology Of The Sagittarius Constellation. It can be found between the Sagittarius Star Cloud (Messier 24) and the Omega Nebula (Messier 17). Together these are providing a vast legacy of publicly available data for the global astronomical community. Messier later included it in his catalogue. Tau Sagittarii is well known to astronomers as the closest visible star to the origin of the Wow! All Rights Reserved. Sagittarius constellation map by IAU and Sky&Telescope magazine. Would you prefer to share this page with others by linking to it? It is a very fast rotator, spinning with a speed of more than 200 kilometres per second, which is about 100 times faster than the Sun. Both centaurs and satyrs were well known to be wild, rowdy, lustful creatures that had little respect for authority and proper manners. It has an apparent magnitude of 2.72 and belongs to the spectral type K3III. Spanning an area of 150 light years across, Sagittarius B is one of the largest molecular clouds in our galaxy and the single largest one in the vicinity of the galaxys core. The Red Spider Nebula is a planetary nebula that occupies an area of 1.5 arc minutes in the northwestern part of Sagittarius. NGC 6544 is a globular cluster located less than a degree southeast of the Lagoon Nebula. The Bubble Nebula is an emission nebula located in Barnards Galaxy. NGC 6440 is another globular cluster in Sagittarius. Messier included it in his catalogue in 1764. The Mythology That Defines Each One of the 12 Zodiac Signs - Astrology.com It is located approximately 17,300 light years from Earth. This beautiful image features the globular star cluster M75. The cluster is a relatively large and bright one, with an apparent magnitude of 7.42. The Teapot in Sagittarius, image: Wikisky. The star is probably a B or O type main sequence dwarf that has accreted much of the primary stars mass. They also look a lot alike. In total, there are about 400,000 stars in the globular cluster. Pern, the planet on which the action takes place, orbits Rukbat, which is described as a class G yellow star in the novels. Image: Subaru Telescope (NAOJ), Hubble Space Telescope, Martin Pugh; Processing: Robert Gendler. Messier 8 is one of only two nebulae that are star forming regions and can be seen by unaided eye. This cosmic pair is set against millions of glowing stars from the brightest part of the Milky Way a region so dense with stars that barely any dark sky is seen across the picture.This part of the constellation of Sagittarius (The Archer) is one of the richest star fields in the whole sky the Large Sagittarius Star Cloud. (In 2003, the Canis Major Dwarf Galaxy was discovered and recognized as the nearest neighbour.). The object is actually a small white dwarf star undergoing a helium flash one of only a handful of examples of such an event ever witnessed by astronomers. NGC 6520 is an open star cluster with an apparent magnitude of 9.0. Located in the western part of Sagittarius, the cluster is surprisingly easy to see in binoculars and telescopes thanks to it being highly condensed in the center. Chiron was an intelligent, wise, and good-natured creatureunlike most of his kind. Both creatures were very similar to one another and the general meaning of the Sagittarius myth remains the same, regardless of whether you think its representative had two legs or four. Why Chiron gets credit as the figure in Sagittarius mythology is a bit of a mystery. The two brighter components form a close binary system with an apparent magnitude of 13.28. Sigma Sagittarii is the second brightest star in the constellation Sagittarius. They have the head and torso of a man, but the bottom half of a hoofed beast. Sagittarius (astrology) - Wikipedia Terzan 5 contains at least 34 and up to 200 milisecond radio pulsars (pulsars with a rotational period of 1-10 miliseconds), including PSR J1748-2446ad, the fastest spinning pulsar known, which rotates 716 times a second with a rotation period of 1.40 miliseconds. In this image of ESO 456-67, it is possible to see the various layers of material expelled by the central star.
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