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Aug 15, 2022

Study Reveals What Causes "Outliers" Track in Black Hole X-ray Binaries

A research team from the Galaxies and Cosmology Research Group of the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS) have investigated the BH spin contribution to jet power (BZ-jet), especially for the m...The black hole X-ray binaries (BHXB) are hosted by a stellar-mass black hole which accretes gas from a companion star and emits transient X-ray emission and compact radio jets.There are strong correlations between the radio luminosity LR...
Jul 28, 2022

Researchers proposed a neutrino rocket model to explain the origin of high-velocity pulsars

Recently, Dr. LI Zheng and his collaborators at the Xinjiang Astronomical Observatory ( XAO) of the Chinese Academy of Sciences and Nanjing University proposed a neutrino rocket model inside neutron stars, which, coupled with...Within three years of the first pulsar being discovered in 1967, astronomers have observed that the average proper motion of pulsars is high. With an increase in pulsar observations, some pulsars are now being discovered with velocities ...
Jul 07, 2022

Researchers Develop the Xinjiang Astronomical Observatory Data Center

Dr. ZHANG Hailong from the Xinjiang Astronomical Observatory (XAO), Chinese Academy of Sciences (CAS), along with his astronomical big data research team, constructed the Xinjiang Astronomical Observatory Data Center (XAODC) based on the...Recently, Dr. ZHANG Hailong from the Xinjiang Astronomical Observatory (XAO), Chinese Academy of Sciences (CAS), along with his astronomical big data research team, constructed the Xinjiang Astronomical Observatory Data Center (XAODC) ba...
Jun 30, 2022

Researchers Reveal Evolution State of Medium-amplitude Delta Scuti KIC1573174

Ph.D. student LV Chenglong and his collaborators from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS)？have succeeded in obtaining the evolutionary state of KIC 1573174 by constructing stellar models ...Ph.D. student LV Chenglong from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS) and his collaborators have revealed the evolutionary state of δ Scuti KIC 1573174 by constructing stellar models with f...
Jun 30, 2022

Researchers Find Evidence for Periodic Disc Instabilities in the Massive Nucleus of Galaxy NGC 4258

An international research team led by Willem Adrianus Baan from the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS) has found evidence for periodic disc instability in the disc of the H2O MegaMaser galaxy...An international research team led by Willem Adrianus Baan from the star formation and evolution research group of the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences has found evidence for periodic disc instab...
Jun 22, 2022

Simultaneous single-pulse polarization observations of PSR B0950+08

It is known that the radio emission of pulsars is highly polarized. Orthogonal or non-orthogonal linear polarization position angle (PA) jumps has been observed in many pulsars. Simultaneous multifrequency studies of pulsar polarization ...After more than 50 years of the discovery of the first pulsar, the detailed physics of the emission process in a pulsar magnetosphere still remains unclear.The radio emission from pulsars is highly polarized. Simultaneous multifrequency ...

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