Scientists discover new supernova just 12 million light-years away
An optical supernova, designated SN 2014J, which occurred in the galaxy M82 and lies only about 12 million light-years away, has attracted the attention of many space agencies, including NASA.
The exceptionally close stellar explosion was discovered on Jan. 21 and is the nearest optical supernova in two decades and potentially the closest type Ia supernova to occur during the life of currently operating space missions.
To make the most of the event, astronomers have planned observations with the NASA/ESA Hubble Space Telescope and NASA's Chandra X-ray Observatory, Nuclear Spectroscopic Telescope Array (NuSTAR), Fermi Gamma-ray Space Telescope, and Swift missions.
As befits its moniker, Swift was the first to take a look. On Jan. 22, just a day after the explosion was discovered, Swift's Ultraviolet/Optical Telescope (UVOT) captured the supernova and its host galaxy.
Although the explosion is unusually close, the supernova's light is attenuated by thick dust clouds in its galaxy, which may slightly reduce its apparent peak brightness.
M82, also known as the Cigar Galaxy, is located in the constellation Ursa Major and is a popular target for small telescopes. M82 is undergoing a powerful episode of star formation that makes it many times brighter than our own Milky Way galaxy and accounts for its unusual and photogenic appearance.
(Posted on 26-01-2014)
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