Research News--Xinjiang Astronomical Observatory

中

Home Research News

Research News

May 11, 2024

Researchers simulate the RRAT radio-off fraction

There are objects in the Galaxy that emit single and isolated radio pulses. They are not radio pulsars, because their pulses are not regular and it could take seconds to hours until another pulse can be detected.There are objects in the Galaxy that emit single and isolated radio pulses. They are not radio pulsars, because their pulses are not regular and it could take seconds to hours until another pulse can be detected.However, they are thought...
May 11, 2024

A study on radiation characteristics of Rotating Radio Transients using Parkes radio telescope

Rotating radio transients ( RRATs ) are a subclass of pulsars characterized by sporadic emission .Up to now , although nearly 170 RRATs have been discovered , a large number of RRATs lack accurately measured rotation periods , and about ...Rotating radio transients (RRATs) are a subclass of pulsars characterized by sporadic emission. Up to now, although nearly 170 RRATs have been discovered, a large number of RRATs lack accurately measured rotation periods, and about two-t...
Apr 25, 2024

Researchers Observe Emission Lines in Planck Cold Cores with Nanshan 26-m Radio Telescope

Recently , Dilda Berdikhan , a PhD student from the star formation and evolution research group of the Xinjiang Astronomical Observatory ( XAO ) of the Chinese Academy of Sciences ( CAS ) ., emission lines , with 187 cores detected hyper...Recently, Dilda Berdikhan, a PhD student from the star formation and evolution research group of the Xinjiang Astronomical Observatory (XAO) of the Chinese Academy of Sciences (CAS), and her collaborators used the NanShan 26-meter Radio ...
Apr 24, 2024

Improving timing precision of millisecond pulsars using polarization

Used data obtained from the Five-hundred-meter Aperture Spherical Radio Telescope ( FAST ) to carry out a study of white noise in MSPs . The study was published in The Astrophysical Journal . The researchers presented measurements of the...Pulsar timing enables the most stringent tests of fundamental physics. By monitoring the pulse times of arrival (ToAs) of an ensemble of stable millisecond pulsars (MSPs), known as a pulsar timing array (PTA), it is possible to detect na...
Apr 19, 2024

Pulsars with non-stopping pulsed emission

Radio pulsars are well known for their regular pulses .The researchers from Xinjiang Astronomical Observatory ( XAO ) of the Chinese Academy of Sciences ( CAS ) used simulation to investigate the properties of the non-nulling pulsars .Co...Radio pulsars are well known for their regular pulses. However, the pulsed emission from some radio pulsars can suddenly go off for a short period of time and come back on again, with this on-and-off repeating indefinitely. Known as puls...
Mar 21, 2024

XAO NanShan 26-m Radio Telescope Successfully Ran 4-Gbps VLBI Test Observations

The Very Long Baseline Interferometry ( VLBI ) operation team at the Nanshan Station of Xinjiang Astronomical Observatory( XAO ) has recently got the NanShan 26 - meter Radio Telescope ( NSRT ) to participate in 4 - Gbps VLBI observation...Recently, the Very Long Baseline Interferometry (VLBI) operation team at the Nanshan Station of Xinjiang Astronomical Observatory (XAO) ,Chinese Academy of Sciences, operated the NanShan 26-meter Radio Telescope (NSRT) to participate in ...

First 6 789 10 Last

Copyright © Xinjiang Astronomical Observatory
Address：150, Science 1-Street, Urumqi, Xinjiang 830011, China
Tel：0991-3689373Fax：0991-3838628Email：zongheban@xao.ac.cn