Sharmila is a Seattle-based science journalist. She found her love for astronomy in Carl Sagan's The Pale Blue Dot and has been hooked ever since. She holds an MA in Journalism from Northeastern University and has been a contributing writer for Astronomy Magazine since 2017. Follow her on Twitter at @Sharmilakg.
An artist's conception of V1674 Hercules, a classical nova hosted in a binary star system that is made up of a white dwarf and dwarf companion star. Researchers can measure how fast a nova evolves by observing how long the explosion takes to fade two magnitudes from its peak brightness. Extremely fast events take less than 10 days, moderate can ones take up to 80 days and the slow ones take anywhere from 80 to 150 days.
"V1674 Her at 1.1 days is on an extreme end of an already extreme end, so it earns the title of the fastest nova," Williams said at the news conference last week. A newly released pair of images by Williams and her team depicts just how drastic that pulsating change in brightness was between July 2, 2021 and July 6, 2021.
V1674 Hercules, currently the fastest nova on record, fades dramatically across four days from July 2, 2021 to July 6, 2021.
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