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    O-type star tagged posts

    Birth of Rare Massive Stars Deep within Crimson Gas Clouds

    March 2, 2016, Categories  Astronomy/Space

    In this huge image of part of the southern constellation of Norma (The Carpenter's Square) wisps of crimson gas are illuminated by rare, massive stars that have only recently ignited and are still buried deep in thick dust clouds. These scorching-hot, very young stars are only fleeting characters on the cosmic stage and their origins remain mysterious. The vast nebula where these giants were born, known as RCW 106, is captured here in fine detail by ESO's VLT Survey Telescope (VST), at the Paranal Observatory in Chile. The brightest part appears just above the center of the image. Many other interesting objects are also captured in this wide-field image. For example the filaments to the right of the image are the remnants of an ancient supernova (SNR G332.4-00.4, also known as RCW 103), and the glowing red filaments at the lower left surround an unusual and very hot star (RCW 104, surrounding the Wolf-Rayet star WR 75). Patches of dark obscuring dust are also visible across the entire cosmic landscape. Credit: ESO

    In this huge image of part of the southern constellation of Norma (The Carpenter’s Square) wisps of crimson gas are illuminated by rare, massive stars that have only recently ignited and are still buried deep in thick dust clouds. These scorching-hot, very young stars are only fleeting characters on the cosmic stage and their origins remain mysterious. The vast nebula where these giants were born, known as RCW 106, is captured here in fine detail by ESO’s VLT Survey Telescope (VST), at the Paranal Observatory in Chile. The brightest part appears just above the center of the image. Many other interesting objects are also captured in this wide-field image. For example the filaments to the right of the image are the remnants of an ancient supernova (SNR G332.4-00...

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    Hot, Dense material surrounds O-type Star with largest Magnetic Field known

    September 24, 2015, Categories  Astronomy/Space

    The magnetic field of the O-type star called NGC 1624-2 is unusually large for its class. Credit: SOHO/[instrument] Consortium. SOHO is a project of international cooperation between ESA and NASA.

    The magnetic field of the O-type star called NGC 1624-2 is unusually large for its class. Credit: SOHO/[instrument] Consortium. SOHO is a project of international cooperation between ESA and NASA.

    Findings have implications on evolution of massive stars. Observations revealed that the unusually large magnetosphere around an O-type star NGC 1624-2 contains a raging storm of extreme stellar winds and dense plasma that gobbles up X-rays before they can escape into space. Florida Institute of Technology Assistant Professor Véronique Petit and team may help scientists better understand the lifecycle of certain massive stars, which are essential for creating metals needed for the formation of other stars and planets.

    The massive O-type star – the hottest and brightest type of star in the univers...

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