Abstract
AbstractPSR J0337+1715 is a millisecond radio pulsar in a hierarchical stellar triple system with two white dwarfs. This system is a unique and excellent laboratory in which to test the strong equivalence principle (SEP) of general relativity. An initial SEP-violation test was performed using direct 3-body numerical integration of the orbit in order to model the more than 25000 pulse times of arrival (TOAs) from three radio telescopes: Arecibo, Green Bank and Westerbork. In this work I present our efforts to quantify the effects of systematics in the TOAs and timing residuals, which limit the precision of an SEP test. In particular, we apply Fourier-based techniques to the timing residuals in order to isolate the effects of systematics that can masquerade as an SEP violation.
Highlights
Einstein’s strong equivalence principle (SEP) is a fundamental tenet of general relativity (GR): it postulates that gravitational interactions do not depend on the gravitational binding energy of self-gravitating bodies, and that gravitational mass (MG ) equals inertial mass (Mi), even for objects with strong gravity
In this work I present our efforts to quantify the effects of systematics in the TOAs
which limit the precision of an SEP test
Summary
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