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Jan 04, 2021

Ammonia observations towards the Aquila Rift cloud complex

Ammonia (NH3) is frequently used as the standard molecular cloud thermometer (e.g., Ho & Townes 1983; Walmsley & Ungerechts 1983). NH3 (1,1) and (2,2), both belonging to the para-species of ammonia, have been proven to be an excellent th...
Jan 04, 2021

The Two Emission States of PSR B1534+12

PSR B1534+12 (J1537+1155) is a millisecond pulsar with a 37.9ms period in orbit with a neutron star companion with a 10.1 hr orbital period. This pulsar was discovered using the Arecibo 305 m radio telescope in the 430 MHz band. Timing a...
Dec 22, 2020

Evidence for Dense Gas heated by the Explosion in Orion KL

Orion Kleinmann-Low (Orion KL) nebula is the nearest massive star-forming region. An explosion occurred in this nebula about 550 years ago. The explosion not only accelerated several young stars, but also produced spectacular high veloci...
Dec 17, 2020

Inception Workshop for the Cooperation Project of the 1.9-m Optical Telescope

From 12th to 13th December 2020, “The Inception Workshop on the Cooperation Project of the 1.9-m Optical Telescope” was held at the Nanshan Station of XAO. The project will be jointly conducted by four parties, including the Beijing No...
Dec 07, 2020

Progress in pulsar timing studies at Nanshan

Using the pulsar timing data of the 26-m radio telescope (NSRT) at Nanshan, the researchers of pulsar group of Xinjiang Astronomical Observatory have obtained more accurate rotation parameters, braking indices and glitches for 87 pulsars...
Dec 03, 2020

Parametric Evolution of Power-law Energy Spectra of Flare Accelerated Electrons in the Solar Atmosphere

During a solar flare event, a tremendous amount of the stored magnetic energy is suddenly released and partly transferred into the accelerated particles. It is well known that solar hard X-ray bursts (HXRs) and solar radio bursts (SRBs) ...

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