A backyard telescope is all you need to spot this nearby exploding star.
Catching the bright burst of SN2023ixf on May 19, Itagki submitted his discovery to the International Astronomical Union’s. From there, professional astronomers picked up the call, and within a few days, researchers began pointing major ground and space telescopes at the supernova, including the Hubble and James Webb Space Telescopes and the Chandra X-ray observatory.
All those telescopes will be measuring SN2023ixf’s light curve, “meaning the brightening and fading of this target in multiple wavelengths,” Tremblay says, on the spectrum from X-rays to optical light to infrared.Those observations will help scientists characterize the star that exploded to create SN2023ixf, and more precisely define the type of supernova it is. Astronomers can already tell that SN2023ixf is a Type II, or “core collapse” supernova.
“This shock wave propagates outward, and it plows up gas in the ambient surroundings that can light up in all different wavelengths,” Tremblay says. Studying how that afterglow evolves over time will tell scientists about the mass and make up of the late star. And the makeup of the star is connected to life on Earth—and life anywhere else in the cosmos, if it exists. Stars increase chemical complexity throughout their life cycles: They formed from primordial hydrogen after the Big Bang, fusing it first into helium and then into heavier elements right up to iron.
The explosion of SN2023ixf is literally shedding light on the process that brought human beings into existence. Though the supernova will rapidly fade, it will remain an object of study for years to come, according to Tremblay. In the meantime, he says, the worldwide excitement around the supernova “is a beautiful illustration of the fact that the global public so effortlessly shares in our wonderment of the cosmos. An exploding star in a distant galaxy just lights up people’s hearts.
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