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Effect of weak gravitational microlensing on pulsar timing |
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| Authors: | M S Pshirkov M V Sazhin Yu P Ilyasov |
| Institution: | (1) Pushchino Radio Astronomy Observatory, Astrospace Center, Lebedev Institute of Physics, Russian Academy of Sciences, Pushchino, Moscow oblast, 142292, Russia;(2) Sternberg Astronomical Institute, Universitetskii pr. 13, Moscow, 119992, Russia |
| Abstract: | The effect of weak gravitational microlensing on the pulsar timing is considered. The residuals of the times of arrival due to this effect for the pulsar B1937+21 will be ～10 ns if the time span of observations is about 20 years. It has also been shown that the residuals due to this effect will be several microseconds in the same 20 years in future SKA (Square Kilometer Array) observations of pulsars located behind the bulge. |
| Keywords: | pulsars Shapiro effect gravitational microlensing |
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