[113], The indigenous Boorong people of northwestern Victoria named it as Neilloan,[114] "the flying Loan". Careful measurement of the star's position allows this angular movement, known as proper motion, to be calculated. What are synonyms for vega? How to Find the Lyra Constellation in the Night Sky, Journey Through the Solar System: Our Sun, How to Find the Capricornus Constellation, How to Spot the Cassiopeia Constellation in the Night Sky, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College, Declination: 38 degrees 47 minutes 01 second. The faintest stars visible to the unaided eye are sixth magnitude, while the brightest in the night sky, Sirius, is of magnitude −1.46. Vega is a variable star thus it changes its brightness; Our Sun rotates on its axis in about 28 days, Vega, on the other hand, rotates much faster – once every 12 and a half hours, with a speed of 236 km/ 146.6 mi per second at the equator. Vega is a suspected Delta Scuti variable star, one whose variations in luminosity result from both radial and non-radial pulsations of its surface. [112], In Zoroastrianism, Vega was sometimes associated with Vanant, a minor divinity whose name means "conqueror". As viewed from the poles, this results in a darker (lower-intensity) limb than would normally be expected for a spherically symmetric star. The migration of this planet would likely require gravitational interaction with a second, higher-mass planet in a smaller orbit. This time, she is working with Nippiepop, a brand that sells nipple covers and breast lifting products. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. Retrieved from https://www.thoughtco.com/vega-star-facts-4137641. It is definitely of the nature of Venus. For comparison, the Sun has an abundance of elements heavier than helium of about ZSol = 0.0172±0.002. All three stars are extremely bright in a region with few other bright stars. How do you use vega in a sentence? [37] Friedrich Bessel was skeptical about Struve's data, and, when Bessel published a parallax of 0.314″ for the star system 61 Cygni, Struve revised his value for Vega's parallax to nearly double the original estimate. [36], The distance to Vega can be determined by measuring its parallax shift against the background stars as the Earth orbits the Sun. If you took a long exposure photograph of the northern sky today, the stars would appear as trails around Polaris. The mean magnitudes for these six stars were defined as: U − B = B − V = 0. [52], Vega became the first solitary main-sequence star beyond the Sun known to be an X-ray emitter when in 1979 it was observed from an imaging X-ray telescope launched on an Aerobee 350 from the White Sands Missile Range. At latitudes to the north of 51° N, Vega remains continuously above the horizon as a circumpolar star. Keep in mind that many names may have different meanings in other countries and languages, so be careful that the name that you choose doesn’t mean something bad or unpleasant. borrowed from Medieval Latin Wega, Vega, altered from the terminal syllables of Arabic al-nasr al-wāqiʽ, literally, "the descending eagle," originally a name applied to the three stars α, β and γ Lyrae. At present the pole star is Polaris, but around 12,000 BC the pole was pointed only five degrees away from Vega. [ vē ′gə, vā ′gə ] A star in the constellation Lyra and one of the five brightest stars in the night sky. Around July 1, Vega reaches midnight culmination when it crosses the meridian at that time. The traditional name Vega (earlier Wega[14]) comes from a loose transliteration of the Arabic word wāqi‘ meaning "falling" or "landing", via the phrase an-nasr al-wāqi‘, "the falling eagle". Vega Starseed is an alien species that originates from the brightest star system of the constellation Lyra, Vega. [108], The Assyrians named this pole star Dayan-same, the "Judge of Heaven", while in Akkadian it was Tir-anna, "Life of Heaven". Auden's 1933 poem "A Summer Night (to Geoffrey Hoyland)"[119] famously opens with the couplet, "Out on the lawn I lie in bed,/Vega conspicuous overhead". Vega is one of six A0V stars that were used to set the initial mean values for this photometric system when it was introduced in the 1950s. The "Summer Triangle" consists of the bright stars Vega, Deneb, and Altair. The dust is found mainly in a disk around the star rather than a sphere, with particle sizes estimated to be between 1 to 50 microns in diameter. These were later identified as lines from the Hydrogen Balmer series. Vega represents the amount that an option contract's price changes in … The Spanish surname Vega is a topographical name that means "dweller in the meadow" or "one who lives on a plain," from the Spanish word vega, used to refer to a meadow, valley or fertile plain. [19][20] It was one of the first stars whose distance was estimated through parallax measurements. [95], Using a coronagraph on the Subaru telescope in Hawaii in 2005, astronomers were able to further constrain the size of a planet orbiting Vega to no more than 5–10 times the mass of Jupiter. In a good cosmic configuration, Vega is supposed to give artistic talents especially for music and acting, but also a liking for good living. Old Norse, Latin: Earth. [28] This formation is the approximate shape of a right triangle, with Vega located at its right angle. Vega is the brightest star in the northern constellation of Lyra. This is because Vegas has over twice the mass of the Sun and is spinning so rapidly (236.2 km/s at its equator), that it experiences centrifugal effects. [43], The UBV photometric system measures the magnitude of stars through ultraviolet, blue, and yellow filters, producing U, B, and V values, respectively. The metallicity of Vega's photosphere is only about 32% of the abundance of heavy elements in the Sun's atmosphere. [11]) From the Earth, this bulge is being viewed from the direction of its pole, producing the overly large radius estimate. [note 5], In 2021, a paper analyzing 10 years of spectra of Vega detected a candidate 2.43-day signal around Vega, statistically estimated to have only a 1% chance of being a false positive. The name Vega means Stooping Eagle and is of Arabic origin.Vega is a name that's been used primarily by parents who are considering baby names for girls.. Name of the brightest star in the Lyra constellation. The disk of dust is produced as radiation pressure from Vega pushes debris from collisions of larger objects outward. [53] In 2015, bright star spots were detected on the star's surface—the first such detection for a normal A-type star, and these features show evidence of rotational modulation with a period of 0.68 days. At this time, no planet has been definitively identified orbiting Vega, but its possible terrestrial planets could orbit near the star, probably in its equatorial plane. Although Vega and the Sun are both stars, they are very different from one another. Since more massive stars use their fusion fuel more quickly than smaller ones, Vega's main-sequence lifetime is roughly one billion years, a tenth of the Sun's. [11] This rapid rotation of Vega produces a pronounced equatorial bulge, so the radius of the equator is 19% larger than the polar radius. They can, of course, be reincarnated on Earth as well, and when that happens, they most commonly take a humanoid form that boasts of gorgeous dark skin, … α Lyrae (Latinised to Alpha Lyrae) is the star's Bayer designation. Movement away from the Earth will cause the light from Vega to shift to a lower frequency (toward the red), or to a higher frequency (toward the blue) if the motion is toward the Earth. It is a gaseous body having a highly compressed core, in which energy is generated by thermonuclear reactions (at about 15 million kelvins), surrounded by less dense radiative and convective zones serving to transport the energy to the surface (the photosphere). The temperature gradient may also mean that Vega has a convection zone around the equator,[12][70] while the remainder of the atmosphere is likely to be in almost pure radiative equilibrium. [76], The observed helium to hydrogen ratio in Vega is 0.030±0.005, which is about 40% lower than the Sun. It was proposed that this radiation came from a field of orbiting particles with a dimension on the order of a millimeter, as anything smaller would eventually be removed from the system by radiation pressure or drawn into the star by means of Poynting–Robertson drag. The Infrared Astronomical Satellite (IRAS) discovered an excess of infrared radiation coming from the star, and this was attributed to energy emitted by the orbiting dust as it was heated by the star. 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. According to a user from Texas, U.S., the name Vega is of Spanish origin and means "THE LIGHT OF THE WORLD!". Thus the dust is more likely created by a debris disk around Vega, rather than from a protoplanetary disk as was earlier thought. Meaning: Of the Lyre. As a result, content that stays on the FANDOM domain … Radeon™ RX Vega Grafikkarten sind für Gamer die ihre Spiele in der höchsten Auflösung, der flüssigsten Framerate und mit maximalen Details genießen wollen. Thus the velocity can be measured from the amount of shift of the star's spectrum. Vega was one of the stars used to define the magnitude scale, so it has an apparent magnitude around 0 (+0.026). The radial velocity of Vega is the component of this star's motion along the line-of-sight to the Earth. [15] For the Roman Empire, the start of autumn was based upon the hour at which Vega set below the horizon. Origin and Meaning. This apparent magnitude is a numerical value that decreases in value with increasing brightness of the star. [86], Following the discovery of an infrared excess around Vega, other stars have been found that display a similar anomaly that is attributable to dust emission. In 2016, the International Astronomical Union organized a Working Group on Star Names(WGSN) to catalog and standardize proper names for stars. The convection zone is in equilibrium with the star's atmosphere. Production of the dust would require collisions between asteroids in a population corresponding to the Kuiper Belt around the Sun. The astral V… [24] In 2016, the International Astronomical Union organized a Working Group on Star Names (WGSN)[25] to catalog and standardize proper names for stars. [91] Astronomers at the Joint Astronomy Centre in Hawaii and at UCLA suggested that the image may indicate a planetary system still undergoing formation. Vega is one of the stars that make up the Summer Triangle.... Vega is one of the stars … [73] Thus, in terms of abundances, only about 0.54% of Vega consists of elements heavier than helium. The result of systematic errors in measurement astronomers, since Vega is the brightest star in the infrared spectrum called! Is seen in the summer sky in the night sky white ) and its luminosity class (... Models fitted to the Earth 's axis of rotation—is inclined no more than five degrees from the of! 22 ] stars that display excessive dust when viewed in the IAU Catalog of star names main-sequence... 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