Deneb and Rigel would appear much brighter than they are. Deneb . The distance to Deneb in Hippacros catalog is 3229 ly and Stellarium use this catalog. If this were true, then Deneb must be astonishingly shining with the light of 200,000 Suns in order to appear as bright as it does at that breathtaking distance. At its brightest, Polairs is about 6,000 to 10,000 times brighter than our Sun. Distance from Earth: approx. The star Deneb is the farthest star that can be easily seen with the naked eye. With an average visual magnitude of 1.25, it is the brightest star in the constellation Cygnus and the 19th brightest star in the sky. The primary world is a gas giant orbited by a water covered moon, located in the middle of the habitable zone. Answer. It is the larger star at the end of the handle of the Little Dipper (Ursa Minor). Generally, most of the brightest stars seen from Earth are within a few dozen to a few hundred light years away, but Deneb stands out by being thousands of light years distant! It is the largest and most distant of the three bright stars that form the Summer Triangle , and also by far the most luminous, with an absolute magnitude of -8.38 and luminosity about 196,000 times that of the Sun. 53.4 LY away Attitude: Motives: Physical Appearance: Sirius appears so bright partly because it is one of the nearest bright stars to Earth. What is its absolute magnitude? Its diameter is more than 200 times that of the sun’s while its radius is at around 203 solar radii. Deneb and emission nebulae. It is an emission nebula whose shape resembles that of the American continent. There is uncertainty surrounding Deneb’s distance from us, making it challenging to determine characteristics such as radius, mass, and others. Deneb is somewhere around 2,600 light-years away, although astronomers still aren’t certain of the star’s exact distance. The brightest star within Cygnus is Deneb which is also called Alpha Cygni. Twenty years ago, the European Hipparchos satellite measured its distance as 4,500 lightyears. Deneb (Alpha Cygni, lower left) is a blue giant, and one of the most powerful stars known. In 2007, Hipparcos data was revised with a new parallax of 84.27000 which put Deneb Algedi at a distance of 38.70 light years or 11.87 parsecs. It is one of 23 colonies in the Earth Alliance , one of the galaxy's major powers (although not the most powerful) in the Babylon 5 universe, and a hotbed of prophecies, religious zealotry, racial tensions, social pressures and political rivalries. This limits Earth based telescopes to measuring the distances to stars about 1/0.01 or 100 parsecs away. Name: Cygnusian AKA: See: Iargans Location – Home System: Deneb in the constellation Cygnus. Deneb's exact distance from the Earth is uncertain, which makes determining many of Deneb's other properties similarly imprecise. Deneb is about 60,000 times more luminous than the sun! Deneb has an apparent magnitude of 1.25 and is located at distance of 3,550 light years from Earth. Deneb lies roughly 2500 light-years away from Earth and it is a bluish-white supergiant. Its distance from the Earth is about 2000 light years and has an apparent magnitude of 8.8. Deneb's adopted distance from the Earth is around 802 parsecs (2,620 ly). Joe's. Deneb's distance to earth is still unknown but it is believed to be that when Deneb got bigger and bigger it moved a little farther and a little farther away. Cross. One 2008 study puts the most likely distance at 1,550 light-years, but there is still a considerable uncertainty of more than 10%. Top Answer. Deneb is one of the brightest in the northern sky and is part the constellation Cygnus, the Swan. Deneb, Alpha Cygni (α Cyg), is a class A supergiant located at an approximate distance of 1,550 light-years from Earth. Name: Deneb AKA: Location – Home System: Deneb is the brightest star in the constellation of Cygnus, the Swan (Alpha Cygni).It also is the bottom star of the Northern Cross. That’s because it’s one of our Milky Way galaxy’s most luminous stars. Deneb is unusually vivid, especially given its distance. But it’s estimated that the star is somewhere between 50,000 and 200,000 times as luminous as the Sun. We’ve had trouble trying to pin down Deneb’s distance from Earth. ... "Deneb's exact distance from the Earth is uncertain, which makes determining many of Deneb's other properties similarly imprecise. … But Deneb is much farther from Earth than most of the other stars you see, and this giant is around 100,000 times brighter than the Sun. M V = m V + 5 – 5log(d) log(490) = 2.69 M V = 1.26 + 5 – 5*2.69 M V = -7.19 The absolute magnitude of the sun is 4.78, not very impressive! However, the uncertainty has been dramatically reduced upon analysis of the New Hipparcos Data Reduction in 2007.