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Director & Prof. Huub Rottgering from Leiden Observatory visited SHAO

Edited byadmin, Date: 2015-07-02hit times:

The Director of Leiden Observatory, Prof. Huub Rottgering visited Shanghai Astronomical Observatory (SHAO) from June 30 to July 2. During his visit, Prof. Rottgering gave a lecture about the progresses of the European Extremely Large Telescope (ELT) and the space mission Euclid of the European Space Agency. He also introduced the latest research achievements of their group based on the Low-Frequency Array for Radio Astronomy (LOFAR). After the lecture, Prof. Rottgering had an in-depth discussion with researchers from SHAO. Besides, Prof. Rottgering also gave a wonderful popular science lecture at the invitation of the Consulate-General of the Kingdom of the Netherlands.

On June 30, Prof. Rottgering made a presentation in Shanghai Astronomical Observatory titled “Surveying the Sky with LOFAR at the Lowest Radio Frequencies - the Evolution of Starbursts, AGN and Cluster of Galaxies”. The Academician Shuhua Ye, the Director of SHAO, Xiaoyu Hong, staff and students from VIBL and other departments joined the lecture, and communicated with the speaker. Prof. Rottgering introduced to the audience the Leiden Observatory and the latest research accomplishments from LOFAR survey, with emphasis on the research of the formation and evolution of cluster of galaxies based on LOFAR.

On that evening, invited by the General-Consulate of the Netherlands, Prof. Rottgering and the head of SKA science and technology group of SHAO, Tao An, gave popular science lectures of “Understand the Universe” and “World’s Largest Telescope - SKA”, respectively, in the series talk of “Understanding the Universe”. Prof. Rottgering shared his views about various astronomical issues based on the latest scientific research, such issues as “Are we all from stars?”, “Do dark matter and dark energy exist?”, “Does extraterrestrial life exist?”, “What is the universe going to become?”, and etc. All those issues drew much attention from the audience. Questions were raised from time to time, and Prof. Rottgering addressed those questions with patience. After that, Dr. Tao An introduced the large international cooperative project, the Square Kilometre Array (SKA). He pointed out, “ China is one of the founders of SKA, and China has actively driven the project forward. Chinese astronomers have already built a SKA precursor in Xin Jiang province. Shanghai Astronomical Observatory is devoted to the development of the regional science and data processing centre of the SKA in order to handle with the challenges of massive data and at the same time to provide supporting services to international users. This platform will better assist Chinese scientists and researchers to make the best use of SKA.”

Huub Röttgering Huub Röttgering

On July 1, Prof. Rottgering had another conversation with engineers and scientists in SHAO with regard to the key techniques in the calibration and imaging of low frequency radio interference array. He first made a presentation on “The Ionosphere and Low-Frequency Radio Observations”, sharing with the audiences key issues they encountered during the construction and operation of LOFAR and their solutions, and discussed with the audiences afterwards. The audience benefited a lot from this seminar.

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