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    Massive Twin Star discovered Snuggling Close to its Stellar Sibling

    March 11, 2019, Categories  Astronomy/Space

    2MASS observations (background image) revealed a highly reddened source back in 2003 indicating the massive young nature of PDS 27. PIONIER on VLTI provides 2,000 times higher angular resolution making it possible to resolve PDS 27 as a binary system for the first time in 2019.
    Credit: Evgenia Koumpia, University of Leeds

    Astronomers have discovered a binary star system with the closest high-mass young stellar objects ever measured, providing a valuable “laboratory” to test theories on high mass binary star formation.

    An international team led by the University of Leeds has determined the distance between the massive young star PDS 27 and its orbiting stellar companion to be just 30 astronomical units away or 4.5 billion km...

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