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Fri, 2019-09-06Kejia Lee from Kavli Institute for Astronomy and Astrophysics at Peking University joined the international collaboration and has used radio observations of the source PSR J1906+0746 to reconstruct the polarised emission over the pulsar’s magnetic pole and to predict the disappearance of the detectable emission by 2028. Observations of this system confirm the validity of a 50-year old model that relates the pulsar’s radiation to its geometry. The researchers are also able to precisely measure the rate of change in spin direction and find an excellent agreement with the predictions of Einstein’s theory of general relativity.
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Tue, 2019-08-20Siyao Xu was awarded the 2019 IUPAP Young Scientist Prize for the Commission on Astroparticle Physics (C4) at the 36th International Cosmic Ray Conference in Madison, USA.
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Fri, 2019-08-16New observations with the Atacama Large Millimeter/submillimeter Array (ALMA) provide an unprecedented close-up view of a swirling disk of cold interstellar gas rotating around a supermassive black hole. This disk lies at the center of NGC 3258, a massive elliptical galaxy about 100 million light-years from Earth. Based on these observations, an international team that includes Luis Ho, Director of the Kavli Institute for Astronomy and Astrophysics at Peking University, has determined that this black hole weighs a staggering 2.25 billion solar masses, the most massive black hole measured with ALMA to date.
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Mon, 2019-07-15On July 12, 2019, an investigation meeting of PKU Astronomy was held at KIAA. The investigation group was led by PKU Vice President Gang Tian, consisting of 15 leaders from various university offices.
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Mon, 2019-07-15On July 11, 2019, the mid-term self-evaluation of the Double First-rate Discipline Construction of PKU Astronomy was held at KIAA.
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Tue, 2019-05-07Dohyeong Kim, Kai Wang and Ravi Joshi.
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Thu, 2019-04-25
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Wed, 2019-04-17A bright X-ray burst within a galaxy 6.6 billion light years from Earth has been detected by NASA’s Chandra X-ray Observatory. This event is likely to be the emission from a neutron-star-merger-produced magnetar – a new, heavier, highly magnetized neutron star. It is a totally new signal from neutron star binary mergers, which suggests that the merger of two neutron stars could result in a long lived neutron star rather than a black hole.
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Fri, 2019-04-12
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Fri, 2019-04-12.
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