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Sensing suns


Credit: © 2021 Andrew Klinger
Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in measuring their temperatures. For the first time, astronomers develop an accurate method to determine the surface temperatures of red supergiants.
Stars come in a wide range of sizes, masses and compositions. Our sun is considered a relatively small specimen, especially when compared to something like Betelgeuse which is known as a red supergiant. Red supergiants are stars over nine times the mass of our sun, and all this mass means that when they die they do so with extreme ferocity in an enormous explosion known as a supernova, in particular what is known as a Type-II supernova. ....

Bunkyo Ku , Kei Fukue , Naoto Kobayashi , Keiichi Takenaka , Rohan Mehra , Shogo Otsubo , Sohei Kondo , Mingjie Jian , Chikako Yasui , Satoshi Hamano , Daisuke Taniguchi , Yuji Ikeda , Noriyuki Matsunaga , Hiroaki Sameshima , Hideyo Kawakita , Institute Of Astronomy , Masason Foundation , European Space Agency Gaia , School Of Science , India Science Cooperative Program , Division For Strategic Public Relations , Laboratory Of Infrared , Kyoto Sangyo University , Department Of Astronomy , Monthly Notices Of The Royal Astronomical Society , University Of Tokyo ,

ESOblog - Music from ALMA: the sound of the birthplace of stars


ESOblog
How data from ALMA was used to form a musical composition
What the ALMA PILS survey is investigating
How arts and sciences can benefit from collaborating together
We are all familiar with the awe we experience when looking up at the stars. For many people, this sense of wonder leads to inspiration. Astronomers look up and are inspired to know more about the weird and wonderful objects in the night sky, while artists and musicians, like Vera Matenaar from the Triagon Academy in Germany, are inspired to translate that wonder into a work of their own.
Vera used data from the Atacama Large Millimeter/Submillimeter Array (ALMA), in which ESO is a partner, as inspiration for a stunning musical composition, which you can listen to in the YouTube video below or on the ALMA Protostellar Interferometric Line Survey website. We find out more about the composition and the data behind it from Vera and some of the scientists involved: her supe ....

United States , Catarina Fernandes , Giulia Perotti , Hannah Calcutt , Friedrich Wyrowski , Brittney Scifres , Rho Ophiuchi , Protostellar Interferometric Line Survey , University Of Copenhagen , University Of Li , Nicolaus Copernicus University , Protostellar Interferometric Line , Max Planck Institute For Radio Astronomy , Chalmers University Of Technology , University Of Stuttgart , Atacama Large , Submillimeter Array , Interferometric Line Survey , Chalmers University , Paranal Observatory , Solar System , Max Planck Institute , Fashion Jackson , Eso Org , La Silla , ஒன்றுபட்டது மாநிலங்களில் ,