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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) ...
Nov 30, 2020

Study investigates mode switching phenomenon in the pulsar PSR J1326-6700

The averaged polarization profiles of normal (left) and abnormal (right) modes for PSR J1326-6700 at 1369 MHz. Credit: Wen et al., 2020.Using the Parkes 64-meter radio telescope, Chinese astronomers have performed a detailed study of a p...
Nov 30, 2020

Inner jet of the blazar PKS 1749+096 investigated in detail

BSMEM images of PKS 1749+096 in August 2011 and July 2014. For each image, contours start at 0.5 percent of the peak brightness in steps of two. Credit: Cui et al., 2020.Using the Very Long Baseline Array (VLBA), astronomers have perform...
Nov 11, 2020

Progress in monitoring the astronomical observing conditions at Muztagh-ata Site

The construction of astronomical observatory at the most premium site is fundamental to the efficient operation of astronomy and space observation equipment, and it also directly relates to the investment decision and long-term developme...
Sep 29, 2020

Dissecting the Global Cold Dust Properties and Possible Submillimeter Excess of 13 Nearby Spiral Galaxies from the NGLS

Interstellar dust is formed in the outer atmosphere of red giants, planetary nebulae, supernovae, and also in the general interstellar medium. Interstellar dust is a key galaxy component. Studying dust emission helps us to probe the star...
Sep 18, 2020

Physical Properties of H II Regions in M51 from Spectroscopic Observations

Nearby galaxies are an ideal astrophysical laboratory for studying the galaxy formation and evolution, both observationally and theoretically. Star formation rate (SFR) is crucial for understanding the birth and evolution of the galaxies...

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