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Emitted Gravitational Radiation Halts Pulsar’s Spin up
 

 

 

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Summaryedit

Description
English: As the pulsar picks up speed through accretion, it becomes distorted from a perfect sphere due to subtle changes in the crust, depicted here by an equatorial bulge. Such slight distortion is enough to produce gravitational waves. Material flowing onto the pulsar surface from its companion star tends to quicken the spin, but loss of energy released as gravitational radiation tends to slow the spin due to the principle of conservation of energy. This competition may reach an equilibrium, setting a natural speed limit for millisecond pulsars beyond which they cannot be spun up.
Date , 15:12:23
Source https://www.nasa.gov/centers/goddard/news/topstory/2003/0702pulsarspeed.html, https://svs.gsfc.nasa.gov/vis/a010000/a010100/a010144/index.html
Author Dana Berry/NASA Goddard Space Flight Center

Licensingedit

Public domain This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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Photo's description:
As the pulsar picks up speed through accretion, it becomes distorted from a perfect sphere due to subtle changes in the crust, depicted here by an equatorial bulge. Such slight distortion is enough to produce gravitational waves. Material flowing onto the pulsar surface from its companion star tends to quicken the spin, but loss of energy released as gravitational radiation tends to slow the spin due to the principle of conservation of energy. This competition may reach an equilibrium, setting a natural speed limit for millisecond pulsars beyond which they cannot be spun up.
Licensing:
Public Domain


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File name emitted_gravitational_radiation_halts_pulsara__s_spin_up.jpg
Size, Mbytes 1.4153916015625
Mime type image/jpeg


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