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    • 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 ...
    • May 20, 2022
      Unique emission properties in a long period CRAFT pulsar
      Radio pulsars are well known for exceptionally regular emissions due to the stability of their rotation. However, large changes in the pulse shape and flux variations are detected at the individual pulses. A relatively long period pulsar...Radio pulsars are well known for exceptionally regular emissions due to the stability of their rotation. However, large changes in the pulse shape and flux variations are detected at the individual pulses. A relatively long period pulsar...
    • May 11, 2022
      Researchers investigate low emission mode in a pulsar
      Mode changing is a manifestation of pulsar radiation variation. The study of mode changing is helpful to understand the emission characteristics and radiation mechanism of radio pulsars.Radio pulsars are known to exhibit significant emission variations in many different forms, such as the profile mode-changing. Study of these variations is important for unlocking the emission characteristics and the radiation mechanism ...
    • May 10, 2022
      The origin of repeating fast radio bursts
      The researchers proposed a new model to explain the periodic burst activity of FRBs and they considered that the interaction between a neutron star and its planet in a highly elliptic orbit.Recently, Dr. Abdusattar Kurban from the Xinjiang Astronomical Observatory (XAO), Chinese Academy of Sciences (CAS), along with his collaborators from XAO, Nanjing University, Purple mountain Observatory, and the Institute of High Energy...
    • May 09, 2022
      Individual pulse study of a FAST-CRAFTS pulsar
      Using the follow-up timing observations over a year, WEN Zhigang, an astronomer from the pulsar group at the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS), and his co-researchers have performed a detail...The Five-hundred-meter Aperture Spherical Radio Telescope (FAST) is the largest telescope ever built by far, which has discovered more than 200 pulsars. PSR J1631+1252 is an isolated normal pulsar with a rotational period of 0.310s disco...
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