File:Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion.jpg

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Source	European Southern Observatory
Credit/Provider	ESO/L. Calçada
Image title	This artist’s impression shows the exotic double object that consists of a tiny, but very heavy neutron star that spins 25 times each second, orbited every two and a half hours by a white dwarf star. The neutron star is a pulsar named PSR J0348+0432 that is giving off radio waves that can be picked up on Earth by radio telescopes. Although this unusual pair is very interesting in its own right it is also a unique laboratory for testing the limits of physical theories. This system is radiating gravitational radiation, ripples in spacetime. Although these waves cannot be yet detected directly by astronomers on Earth they can be detected indirectly by measuring the change in the orbit of the system as it loses energy. As the pulsar is so small the relative sizes of the two objects are not drawn to scale.
Short title	Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion
Usage terms	Creative Commons Attribution 3.0 Unported license.
Date and time of data generation	20:00, 25 April 2013
Keywords	PSR J0348+0432
Contact information	http://www.eso.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany