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A stellar odd couple at an unusual stage of evolution

Phys.org ·

A stellar odd couple at an unusual stage of evolution

The Brief · written from 2 sources

  • Astronomers have detected a binary system pairing a millisecond pulsar with a companion star at an unusual stage of evolution.
  • Millisecond pulsars form when they draw material and angular momentum from a companion star.
  • Mass transfer from the pulsar's companion can rapidly accelerate that companion's evolution toward becoming a white dwarf.

Why it matters

The system offers a rare look at how millisecond pulsars and their companions evolve together, helping astronomers test models of binary star evolution.

Who’s affected

  • astronomers studying binary stars and pulsars
  • #pulsars
  • #binary stars
  • #stellar evolution
  • #white dwarfs
  • #astronomy

Most of the stars in the Milky Way are what we might call normal stars. They're main sequence stars like our sun, meaning they're doing what most people probably think stars do: shining as they fuse hydrogen atoms into helium atoms on a vast scale.

Timeline

  1. Story reported by Universe Today and Space News on the detection of the stellar odd couple

  2. Universe Today

    A Stellar Odd Couple at an Unusual Stage of Evolution

  3. Space News - Space, Astronomy, Space Exploration

    A stellar odd couple at an unusual stage of evolution

Full coverage · 2 sources

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