Upsilon Andromedae b (occasionally referred to as Upsilon Andromedae Ab to distinguish it from the red dwarf star Upsilon Andromedae B) is an extrasolar planet orbiting the Sun-like star Upsilon Andromedae A every 4.62 days.Discovered in 1996 by Geoffrey Marcy and R. Paul Butler, it was one of the first hot Jupiters to be discovered. The temperature rose and fell depending on which face, the sunlit or dark, was pointed toward Spitzer's cameras. They indicate that Upsilon Andromedae b has an extreme range of temperatures across its surface, about 1,400 degrees Celsius (2,550 degrees Fahrenheit). Like most stars with planets, Ups And is rich in metals, its iron content (relative to hydrogen) 1.34 times that of the Sun. Mirach, Beta Andromedae (β And), is a red giant star located in the constellation Andromeda.With a mean apparent magnitude of 2.05, it is one of the two brightest stars in Andromeda, along with Alpheratz.It lies at a distance of 197 light years from Earth. Upsilon Andromedae A b Upsilon Andromedae A c Upsilon Andromedae A d Upsilon Andromedae A e; Alternative planet names: ups And A b, ups And b: ups And A c, ups And c: ups And A d, ups And d: ups And A e, ups And e: Description: The binary star Upsilon Andromedae is only 40 light years away from Earth. The temperature rose and fell depending on which face, the sunlit or dark, was pointed toward Spitzer's cameras. They indicate that Upsilon Andromedae b has an extreme range of temperatures across its surface, about 1,400 degrees Celsius (2,550 degrees Fahrenheit). Upsilon Andromedae, Ups And, 50 And, 50 Andromedae, Ups And, Ups Andromedae, HD 9826, HIP 7513, HR 458, TYC 2822-2210-1, 50 Andromedae, 50 And, BD+40 … They indicate that Upsilon Andromedae b has an extreme range of temperatures across its surface, about 1,400 degrees Celsius (2,550 degrees Fahrenheit). Those temperature oscillations are traced by the wavy orange curve. WASP-121b. With a surface temperature of 4,500 K, it is 2,000 times more luminous than the Sun. Gamma 2 Andromedae (Gamma Andromedae BC) is a triple star consisting of a spectroscopic binary system and a white main sequence star. Upsilon Andromedae b. Upsilon Andromedae b is tidally locked around its star, Upsilon Andromedae A. It has a projected rotational velocity of up to 17 km/s. The star has a radius 80 times that of the Sun. The maximum temperature on the planet goes to around 467 o C. In addition to that, rainfalls and snowfalls of Sulfuric Acid adds to the hostility of the planet’s atmosphere. The temperature rose and fell depending on which face, the sunlit or dark, was pointed toward Spitzer’s cameras. Those temperature oscillations are traced by the wavy orange curve. THE STAR Upsilon Andromedae is a fourth magnitude (magnitude 4.09) class F (F8) ordinary dwarf 44 light years away. The system hosts at least 3 jovian planets. Upsilon Andromedae (υ Andromedae / Ups And) is a binary star, approximately 44 light-years away in the constellation Andromeda. Primary / Proper / Traditional Name: Nembus: Alternative Names: Upsilon Persei, HD 9927, HIP 7607, HR 464, TYC 3282-2271-1, 51 Andromedae, 51 And, BD+47 467 Its temperature of 6210 Kelvin and luminosity 3.4 times that of the Sun suggest a mass 1.3 times solar and a radius 60 percent larger than the Sun. Those temperature oscillations are traced by the wavy orange curve. The system contains a yellow-white dwarf star (Upsilon Andromedae A) similar to the Sun and a dim red dwarf (Upsilon Andromedae B).

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