Research News--Xinjiang Astronomical Observatory

中

Home Research News

Research News

Nov 14, 2022

Study reveals nature of single-line spectroscopic binary with δ Scuti pulsating star KIC 10417986

Researchers carried out the time-domain spectroscopic observation of KIC 10417986 with the Nanshan 1.2-m Optical Telescope and Xinglong 2.16-m Telescope. They obtained the orbital parameters and stellar parameters of the binary system fo...
Sep 30, 2022

Researchers propose RFI mitigation and signal restoration method for pulsar signals

Using pulsar data collected by the NanShan 26-m Radio Telescope (NSRT) from 2011 to 2014, researchers from the Xinjiang Astronomical Observatory (XAO) of Chinese Academy of Sciences made a study on RFI mitigation and signal restoration, ...
Sep 29, 2022

Emissions in different regions in the pulsar magnetosphere

The researchers from XAO found that the emissions of the different states can be generated in different regions in the pulsar magnetosphere by analyzing the polarization of PSR J0614+2229 and PSR J1938+2213 using FAST observations.
Sep 14, 2022

Ultra-wide Bandwidth Observations of 19 Pulsars with Parkes Telescope

The spectrum of pulsars is usually power-law, and pulsars are usually highly polarized. The shape and width of the average pulse profile mainly change with frequencies. Studying the emission intensity, polarization and spectrum of pulse ...
Aug 21, 2022

Secondarily Einstein arc produced by companion galaxies discovered for the first time in a galaxy-quasar double-image gravitational lens

researchers detected and verified the existence of a secondarily-lensed Einstein arc caused by its companion galaxy in the CLASS lens B1152+199, by analyzing the Hubble Space Telescope (HST) optical-near-infrared tricolor images and the ...
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...

First 111213 14 15 Last

View More(1/38)

Copyright © 2025 Xinjiang Astronomical Observatory
Address：150, Science 1-Street, Urumqi, Xinjiang 830011, China
Tel：0991-3689373Fax：0991-3838628Email：zongheban@xao.ac.cn