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- Title
Conquering systematics in the timing of the pulsar triple system J0337+1715: Towards a unique and robust test of the strong equivalence principle.
- Authors
Gusinskaia, N. V.; Archibald, A. M.; Hessels, J. W. T.; Lorimer, D. R.; Ransom, S. M.; Stairs, I. H.; Lynch, R. S.; Weltevrede, P.; Perera, B.B.P.; Preston, L.L.; Sanidas, S.
- Abstract
PSR 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.
- Publication
Proceedings of the International Astronomical Union, 2017, Vol 13, Issue S337, p342
- ISSN
1743-9213
- Publication type
Article
- DOI
10.1017/S1743921317010018