PSR J0348+0432, Pulsar with white dwarf companion

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SUMMARY

PSR J0348+0432 is a binary system consisting of a neutron star (NS) with a precisely determined mass of approximately 2 solar masses, confirming Einstein's General Relativity (GR). This pulsar is notable for its compact size, measuring about 20 km across. The discussion highlights discrepancies in the reported radius of the pulsar, with some sources indicating a radius of 13 km, which may refer to the diameter instead. The findings are supported by various scientific articles and links provided in the discussion.

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Astronuc
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Apparently this binary system is providing yet further confirmation of GR. It is only the second NS with a precisely determined mass ~ 2 solar masses.

Pulsar-White Dwarf Pair Proves Einstein’s Theory of Relativity
http://www.sci-news.com/astronomy/article01046.html

http://en.wikipedia.org/wiki/PSR_J0348+0432

PSR J0348+0432 is about two solar masses, but just ~20 km across.

http://www.eso.org/public/news/eso1319/

http://aspen13.phys.wvu.edu/aspen_talks/antoniadis_aspen.pdf

http://www.astro.uni-bonn.de/NS2013/Wex.pdf

http://th.physik.uni-frankfurt.de/~colucci/bonn_workshop_0348.pdf
 
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Nice. Thanks for the links, Astronuc.
 
Odd, the wikipedia article lists the radius of the pulsar as 13 km instead of 20.
 
I think ~20 km is the diameter, not radius.
 
Chronos said:
I think ~20 km is the diameter, not radius.

Ah, I see.
 

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