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| Pulsar Timing and Searching |
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Seminar Title |
Pulsar Timing and Searching |
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Speaker: |
Dr. ZHU Weiwei |
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Affiliation: |
(The Max Planck institute of radio astronomy) |
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When: |
Tuesday morning, June 16, 10:00 a.m |
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Where: |
( No.212 Lecture Hall, Astronomy Building, Nanjing University xianlin campus,) |
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Welcome to Attend |
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( PMO Academic Committee & Academic Circulating committee) |
| | Abstract Pulsars are precise cosmic clocks and compact objects that are very useful in the study of fundamental physics. I would like to talk about the two aspects of my researches: 1. Pulsar timing: in particular, the 21 year timing of one of the most precisely measured pulsar binary: PSR J1713+0747, and its applications in testing theories of gravitation, most notably, the best extra-solar system test of the gravitational constant. 2. Pulsar searches: I developed a novel image-pattern-based deep-neural-network artificial intelligence (the PICS AI) for finding pulsars. The AI program improves efficiency of pulsar searches by a factor of more than 100. It has been applied to several major pulsar surveys using different telescopes, including the most sensitive Arecibo pulsar survey, and has helped discovering more than 15 pulsars. The AI system is also being applied to search for transient radio signals from Radio Transient neutron stars (RRATs) and Fast Radio Bursts (FRBs). |
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Copyright？ Purple Mountain Observatory, CAS, No.10 Yuanhua Road, Qixia District, Nanjing 210023, China
Phone: 0086 25 8333 2000 Fax: 8333 2091 http://english.pmo.cas.cn |
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