Vega lies within the constellation of Lyra which is said to be the harp played by the legendary Greek musician Orpheus. The mass and short lifetime of these small particles indicate that the disk detected by Spitzer is the aftermath of a large and relatively recent collision, involving bodies perhaps as big as the planet Pluto. Vega is a main star in the constellation Lyra and makes up the constellation outline. The comparison illustrates that both systems have inner and outer belts with similar proportions. It was also the first star to have its spectrum measured. The relative size of our solar system compared to Vega is illustrated by the small drawing in the middle. Vega has the spectral classification A0V, indicating a white star on the main sequence, still fusing hydrogen to helium in its core. The 10 brightest stars in Lyra are Vega (Alpha Lyrae, mag. Notable stars in the constellation include the variable stars Beta Lyrae, R Lyrae and RR Lyrae, the visual double Delta Lyrae, and the multiple star system Epsilon Lyrae, also known as the Double Double. UniverSavvy provides some interesting information about the Vega Star. Astronomers think that the gap in the Vega system may be filled with planets, as is the case in our solar system. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. Vega, Alpha Lyrae (α Lyr), is a bright white main sequence star located only 25 light years from Earth. The Chinese name for Vega is the First Star of Weaving Girl (織女一), referring to the asterism known as the Weaving Girl, formed by Vega with Epsilon Lyrae and Zeta1 Lyrae. Vega is one of the 58 bright stars that have been given a special status in the field of celestial navigation. 3.261), Sheliak (Beta Lyrae A, mag. The images are 3 arcminutes on each side. Aug 2, 2016 - Once upon a time, there was this big, bright, and luminous celestial body, that is now known to us as Vega. Here are some more interesting facts about the star Vega. by admin; 2019-09-07 2019-09-07; Search for: Stars. However, two years later, observations with the Plateau de Bure Interferometer revealed a smooth and symmetric debris disk, without any evidence of the previously reported irregularities. Polaris (Alpha Ursae Minoris), the current North Star, is only the 48th brightest star. For comparison, the Sun takes just over 25 days even though it is considerably smaller. By clicking “Accept”, you consent to the use of ALL the cookies. Toggle Navigation . This side-by-side comparison, taken by Spitzer’s multiband imaging photometer, shows the warm infrared glows from dust particles orbiting the star at wavelengths of 24 microns (on the left in blue) and 70 microns (on the right in red).Both images show a very large, circular and smooth debris disk. Vega (α Lyr / α Lyrae / Alpha Lyrae) is the brightest star in the constellation Lyra, and the fifth brightest star in the sky. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. These data are mostly from Blanton et al. From mid-northern latitudes, the star can be seen near the zenith in the evening during the northern hemisphere summer, while observers in mid-southern latitudes can see it low above the northern horizon during the southern winter months. 4.22), Kappa Lyrae (mag. These cookies will be stored in your browser only with your consent. It is mandatory to procure user consent prior to running these cookies on your website. In this diagram, the Vega system, which was already known to have a cooler outer belt of comets (orange), is compared to our solar system with its asteroid and Kuiper belts. In the capital city, you can find everything between banquet, farmhouses, motels, hotels, resorts and five star banquets. 4.40), and Epsilon2 Lyrae A (mag. The best time of year to see the stars and deep sky objects in Lyra is during the month of August, when the constellation is high overhead in the evening for northern observers. Its estimated age is … Image: NASA/JPL-Caltech/K. Based on the spectral type (A0Vvar) of … Vega is a Main Sequence Star type star. At one time, about 12,000 years ago, it was our pole star, and our north pole will appear to point at it again in about the year 14,000. Vega is the fifth-brightest star in the night sky and the second-brightest star in the northern celestial hemisphere (after Arcturus). The festival is traditionally held on the seventh day of the seventh month on the Chinese lunar calendar to celebrate the annual meeting of Niulang (the cowherd, represented by Altair) and Zhinü (the weaver girl, represented by Vega). Vega was the North Pole star around 12000 BCE and will be again around 13700 CE, when precession of the equinoxes takes it within 5° of true north. Its estimated age is about 455 million years. It changes its brightness from magnitude -0.02 to +0.07. Most of the particles in the disk are only a few microns in size, or 100 times smaller than a grain of Earth sand. Stars that are hotter and bluer than Vega have a smaller colour index, while those that are redder and cooler have a larger one. Necessary cookies are absolutely essential for the website to function properly. Vega has an unusually low metallicity and observations suggest that it is a weak Lambda Boötis star, a chemically peculiar star with a very low abundance of iron peak elements in its surface layers. Separated in the night sky by the Milky Way, or Celestial River, the two lovers are allowed to meet only once a year. (2007). It’s a Young Star, Compared to Our Sun. Vega is located in the constellation Lyra, which isn't a constellation most people can pick out when looking at the night sky. About the Vega Star: Facts and Other Informaiton. It is about 40 times more luminous than the Sun as it is using up its hydrogen fuel about ten times faster. On the right, our solar system is scaled up four times. Vega was the first star other than the Sun to be photographed and the first one to have its spectrum recorded. Draper was the first to reveal absorption lines in a star’s spectrum. It is the third brightest star in the Northern night sky, after Sirius and Arcturus, and can often be seen near the zenith in the mid-northern latitudes during the Northern Hemisphere summer. The legend is more than 2,600 years old. Astronomers have discovered what appears to be a large asteroid belt around the bright star Vega, as illustrated here at left in brown. It is also part of an asterism called the Summer Triangle, which is made up of Vega, Deneb (in Cygnus, the Swan), and Altair (in Aquila the Eagle). The Tanabata festival celebrates the meeting of Orihime (Vega) and Hikoboshi (Altair), while the Korean event is associated with the folktale of Jiknyeo (the weaver girl) and Gyeonwu (the herder). 4.347), Aladfar (Eta Lyrae, mag. ★ Vega gets its name from the Arabic word Waqi, which means 'falling' or 'swooping'. The star’s Arabic name appeared in Egyptian astronomer Mohammad Al Achsasi Al Mouakket’s star catalogue, written circa 1650, and was later translated into Latin as Vultur Cadens, meaning  “the falling eagle (or vulture).” Lyra constellation was depicted as a vulture by ancient Egyptians and was similarly represented as a vulture or eagle in ancient India. 25.04 ± 0.07 light years (7.68 ± 0.02 parsecs), 20.48 ± 0.11 km/s (up to 236.2 ± 3.7 km/s at the equator), Vega, Alpha Lyrae, α Lyr, 3 Lyrae, Wega, HIP 91262, HD 172167,HR 7001, SAO 67174, BD+38°3238, GJ 721, LTT 15486, GCTP 4293.00, CCDM J18369+3847A, 2MASS J18365633+3847012, TYC 3105-2070-1. Everyone wants the most effective wedding arrangement for child’s wedding and Delhi does not have any dearth to wedding venue options. Home; Brightest Stars; Star Names; Vega. Vega, Alpha Lyrae, is the brightest star in Lyra constellation and the fifth brightest star in the sky. The Summer Triangle and the Northern Cross, image: Wikisky. The zero point was originally established by assigning Polaris a magnitude of 2.00, but once astronomers discovered that the North Star was variable, they settled on Vega as the reference star. 4.59). With an apparent magnitude of 0.026, it is the brightest star in the constellation Lyra and the fifth brightest star in the sky, after Sirius, Canopus, Alpha Centauri and Arcturus. Vega is a pale sapphire colored star, and its current age is estimated to be about 455 million years old. Vega completes a full rotation around its axis every 12.5 hours. The disk extends for hundreds of astronomical units. Su (University of Arizona). It rotates in less that one day, by comparison the Sun’s rotational period is 27 days. Lyra represents the lyre of the mythical Greek musician and poet Orpheus. The traditional name Vega was originally Wega, which came from Arabic word wāqi ‘ which means falling or landing. 4.35), Zeta1 Lyrae (mag. Here are some quick Vega star facts. In the western world, the name appeared in the Alfonsine Tables, compiled in Spain in the mid-13th century. Even though it is only about a tenth the age of the Sun, having twice its mass means that it will also live only a tenth of the Sun’s lifetime. When I was first learning the night sky, more than 40 years ago, I spent hours, days, weeks, months poring over charts and books. It is the second brightest star in the northern celestial hemisphere, with only Arcturus appearing brighter. But the most beautiful story relating to Vega comes from Asia. Vega is used as a zero point for the colour index, the numerical expression that determines the colour of an astronomical object. The star has more than twice the Sun’s mass and radius. It has a solar mass that is 2.3 to 3.1 times the Sun’s mass ; The diameter of the star Vega is about 2.73 times the Sun’s size. In ancient Babylonian culture, Vega may have been one of the stars known as Dilgan, or “the messenger of light.”  In Hindu mythology, the star is known as Abhijit, meaning “the victorious one” or “the undefeatable one.” In the Mahabharata, Krishna says that he was born under this nakshatra (lunar mansion associated with the star). Vega was associated with Mercury and Venus and linked to winter savory and chrysolite. It is ranked by astrological societies as the 5th-brightest star in the night sky, and the 2nd-brightest in the northern, celestial hemisphere. The other two stars that form the asterism are Deneb, the brightest star in Cygnus, the Swan, and also part of the Northern Cross asterism, and Altair, the brightest star in Aquila, the Eagle, located opposite Cygnus. The Star of Vega is relatively close to us, at only 25 light years and subsequently it is the 5th brightest star visible from Earth. Image: NASA/JPL-Caltech. In the story, the two lovers are separated by a large river, represented the Milky Way, and can only meet once a year, when magpies create a bridge so that they can briefly be together again. Quick Vega Star Facts. 4.00), Delta2 Lyrae (mag. Like most exceptionally bright stars, Vega has been used or referenced in countless works of fiction. Also known as dwarf Cepheids, these stars are used as standard candles to establish distances to open and globular star clusters, galaxies, and the Galactic centre. The star is in fact a very fast spinner, rotating at about 90% of its breakup velocity, with estimates of its rotation velocity as high as 236.2 km/s at the equator. Vega is designated as Alpha Lyrae, and it is a blue main-sequence star of spectral type A0V. Vega . Credit: A. Fujii. Vega is only fainter than Sirius in Canis Major, Canopus in Carina, Alpha Centauri in Centaurus, and Arcturus in Boötes constellation. It also inspired the Tanabata festival in Japan and the Chilseok festival in Korea. You also have the option to opt-out of these cookies. Vega’s U-B and B-V colour index is set at 0.00. Vega’s brightness is still used to define zero magnitude for the visible and near infrared parts of the spectrum, with small adjustments. 3.52), R Lyrae (mag. Due to the higher period, Vega burn fuel at a rate much faster than our sun. Interesting deep sky objects in Lyra include the planetary nebula Messier 57 (Ring Nebula), the bright globular cluster Messier 56, the open cluster NGC 6791 and the interacting triplet of galaxies designated as NGC 6745. The distance from the Sun, about 25 light years. As a result, some refer to Vega as the Harp Star – given it a lot of romantic connotations. In medieval astrology, Vega was considered one of the Behenian fixed stars, 15 stars believed to be a source of astrological power for one or more planets and considered useful for magical applications. Vega was first photographed using a 15-inch refractor telescope and the daguerreotype process on July 17, 1850 by William Bond and John Adams Whipple at the Harvard College Observatory. This is a star that has been traced deep into history, and even has a few legends to its name. Vega is also the second brightest star in the northern celestial hemisphere, slightly fainter only than Arcturus and just outshining Capella. The German-Russian astronomer Friedrich Georg Wilhelm von Struve was the first to measure Vega’s parallax. Vega or Alpha Lyrae (Alp Lyr) is the brightest naked eye star in the constellation Lyra.With an apparent magnitude of 0.03v, Vega is the 5th brightest star in the entire sky (see: 50 Brightest Stars ).Its absolute magnitude is 0.58 and its distance is 25.3 light years.The Equinox J2000 equatorial coordinates are RA = 18h 36m 56.3s, Dec = +38° 47' 01". In 1997, the James Clerk Maxwell Telescope discovered a bright central region about 9’’ northeast of Vega, appearing as an irregularity in the star’s dust disk. 4.34), Theta Lyrae (mag. Vega is also known as Alpha Lyrae (α Lyrae, Alpha Lyr, α Lyr), as it is the principle star in the constellation Lyra, the lyre. ★ In places like New York and Madrid, this star sets for about 7 hours every day. The temperature at the poles is about 17,900° F, while the equatorial surface temperature is only 13,800° F. This phenomenon is known as gravity darkening. Vega is a suspected Delta Scuti variable star, one whose variations in luminosity result from both radial and non-radial pulsations of its surface. Stars: A guide to the night sky. This is why the Sun, the four other stars that are brighter than Vega – Sirius, Canopus, Alpha Centauri and Arcturus – as well as the planets Venus, Mars and Jupiter, have negative magnitudes. Degree* 13 ♑ 38 15 ♑ 00 15 ♑ 19 19 ♑ 48 25 ♑ 51. The gap between the inner and outer debris belts in both systems works out to a ratio of about 1-to-10, with the outer belt 10 times farther away from its host star than the inner belt. Astrologers believed that it gave artistic talent, aspirations for status and influence, high success, refinement, and a tendency for debauchery. Observations with the Palomar Testbed Interferometer in 2001, the CHARA array in 2006, and the Infrared Optical Telescope Array in 2011 showed evidence of an inner dust band around the star. Around the year 210000 CE, it will take over from Sirius as the brightest star in the sky. It will make its closest approach in about 264,000 years, when it comes within 13.2 light years (4.04 parsecs). Medieval astrolabes (inclinometers used to measure stars’ altitude above the horizon) in Europe depicted the star as a bird and called it Wega or Alvaca. If we could see Vega from its equatorial plane, its spectrum would be about half as luminous because the temperature is lower at the equator than at the poles and there is a circumstellar debris ring around the equator, where planets may be formed, that would block some of the star’s light. This website uses cookies to improve your experience while you navigate through the website. Astronomy Science ~ Vega is the brightest star in the constellation Lyra, the fifth brightest star in the night sky, the second brightest s... Black Hole,13,Galaxy,44,Image,6,Info,149,Mission and Research,57,Nebula,21,Planets and Satellites,55,Star,39,Theory,33, AstroNation: 10 Interesting Facts about Vega, http://4.bp.blogspot.com/-rzOyBR_Fxto/Vcn3snO4iHI/AAAAAAAAAsw/L7u9GWe611k/s1600/Astronomy%2BScience%2B-%2BVega.jpg, http://4.bp.blogspot.com/-rzOyBR_Fxto/Vcn3snO4iHI/AAAAAAAAAsw/L7u9GWe611k/s72-c/Astronomy%2BScience%2B-%2BVega.jpg, https://www.astronation.science/2015/08/10-interesting-facts-about-vega.html, Not found any post match with your request, Can not copy the codes / texts, please press [CTRL]+[C] (or CMD+C with Mac) to copy. Circumstellar disk of dust been used or referenced in countless works of fiction years when! Much lower ( just vega star facts 20 km/s ) than more recent measurements indicate Beta. Sirius as the 5th-brightest star in the northern hemisphere in its brightness on the right our... Be our pole star, but this is just a line-of-sight coincidence more interesting Facts about vega. 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