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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 5nvklj





Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 9tpt39

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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1

Dragon
Dragon
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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 Empty Short orbital-period binary star detected at the heart of the planetary nebula M 3-1

Post by Dragon Fri Aug 10, 2018 11:57 pm

European astronomers have discovered a new binary star at the center of the planetary nebula M 3-1. The newly found binary has an extraordinary short orbital period of slightly more than three hours, which makes it one of the shortest orbital-period binary central stars known to date. The detection is detailed in a paper published July 30 on arXiv.org.

Binary central stars could be essential for advancing our knowledge about the formation and evolution of planetary nebulae. For astronomers, short-period post-common-envelope binary systems could be especially helpful in improving the understanding of these processes. Moreover, finding new examples of such objects could provide important insights into the nature of the post-common-envelope phase itself.

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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 334pu7m
Dragon
Dragon
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Posts : 6709
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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 Empty Re: Short orbital-period binary star detected at the heart of the planetary nebula M 3-1

Post by Dragon Fri Aug 10, 2018 11:58 pm

Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 Shortorbital
Credit: Jones et al., 2018

HST archival imagery of M 3-1 showing its remarkable filamentary waist and extended jet-like structures

Source / Image Courtesy


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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 334pu7m
Dragon
Dragon
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Posts : 6709
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Join date : 2018-01-18

Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 Empty Re: Short orbital-period binary star detected at the heart of the planetary nebula M 3-1

Post by Dragon Fri Aug 10, 2018 11:59 pm



A planetary nebula is a phase of stellar evolution that the sun should experience several billion years from now, when it expands to become a red giant.


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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 334pu7m

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Short orbital-period binary star detected at the heart of the planetary nebula M 3-1 Empty Re: Short orbital-period binary star detected at the heart of the planetary nebula M 3-1

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