Betelgeuse luminosity. Jul 12, 2025 · Learn about Betelgeuse, a red supergiant star that is one of the brightest and easiest to find in the night sky. With an estimated age of approximately 8. 5 million years Jan 8, 2020 · Betelgeuse is a red supergiant star, being the ninth brightest object in the night sky. Learn about its history, evolution, and recent dimming event from NASA's Watch the Skies blog. It is located in the Orion constellation, where it holds the second place, as the brightest star. It is the second-brightest star in Orion and a variable star that changes its apparent magnitude from 0. Sep 6, 2024 · Betelgeuse is a bright and variable star in the Orion constellation, but it is also a runaway star that will explode as a supernova in the future. It has a variable apparent magnitude of about 0. Luminosity of the Betelgeuse Luminosity (L): Total light emitted from the source in Joules/second (Watts) σ = 5. It is a semi-regular variable star that varies in brightness and size over a period of about 400 days. Its radiant luminosity and distinct characteristics set it apart as a celestial wonder that graces our night sky. Find out how to submit photometric observations and access new applications from the AAVSO. It is usually the tenth-brightest star in the night sky and, after Rigel, the second brightest in its constellation. Find out its size, temperature, luminosity, age, and why it dimmed in 2019. Betelgeuse Star Age The age of Betelgeuse star offers a glimpse into its cosmic journey. 0 to 1. Aug 14, 2014 · Betelgeuse is a red supergiant star in Orion constellation with an average luminosity of 120,000 times that of the Sun. Jul 29, 2025 · Betelgeuse, second brightest star in the constellation Orion, marking the eastern shoulder of the hunter. It is a single star of spectral class M1–M2 Ia–ab, that has 1160 % of solar mass. As a red supergiant nearing the final phases of its life cycle, Betelgeuse has an estimated diameter around a thousand times that of the Sun, with an estimated absolute luminosity of 100,000 times the Sun. Red supergiant Betelgeuse is located 723 light years away from the Sun. Jan 15, 1996 · Learn about the red supergiant star Betelgeuse, its variability, size, luminosity, and history of observation. 67 x 10-8 Wm-2K-4 = 6. . 2 x 1011 m Jun 1, 2023 · Betelgeuse surprised the astronomical community and fascinated people worldwide when it went through a phase of anomalously low optical luminosity beginning in October 2019 and lasting through March 2020. Betelgeuse is a red supergiant star in the constellation of Orion. Betelgeuse is a red supergiant star with a luminosity of 126,000 Suns. 6 and is one of the most luminous stars in the night sky. We’re talking about an object larger than the entire orbit of Jupiter — an May 3, 2023 · Betelgeuse has since been classified as a "semiregular variable star," which is a type of variable star that periodically waxes and wanes in brightness and occasionally undergoes irregular light changes. 6. Apr 22, 2023 · Betelgeuse Star Type In the celestial tapestry, Betelgeuse star shines as a remarkable red supergiant, classified as a type-M star. For now, there are no known exoplanets in this star system. Jun 1, 2018 · Betelgeuse Vitals Physical Characteristics Betelgeuse is a colossal object — and a very bright one at that. But in 2019, something strange happened. Betelgeuse, typically, has a 400-day cycle as well as a longer cycle that stretches about 5 years. midln jmcig rtqij llvom vama mcmkt ajdur gccztg zvg fivymz