Monday, November 10, 2008

Supernova with pulsar wind

Pulsar wind

Credit: NRAO/Mallory Roberts (Eureka Scientific, Inc.) and Cindy Tam (McGill University)

The Turtle: This composite radio and X-ray image shows G11.2-0.3, the remnant of a supernova observed by Chinese astronomers in 386 A.D. as a "guest star" in the Nan-tou Asterism.

Credit: NASA/McGill/V.Kaspi et al

In the middle of this supernova you clearly see the pulsar causing the wind that blows the gas rather symmetric around the star.

It is called "The Turtle" because of its nearly perfect shell and because the pulsar is moving unusually slow.

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