540 citations
- Hongwei Yu3 profiles36 · h 58
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- Ningbo UniversityCN15 papers
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4 papers · 2 filters
On Buckyonions as an Interstellar Grain Component
Aigen Li, J. H. Chen, M. P. Li +2
The carrier of the 2175 Angstrom interstellar extinction feature remains unidentified since its first detection over 40 years ago. In recent years carbon buckyonions have been prop…
On the Anomalous Silicate Emission Features of AGNs: A Possible Interpretation Based on Porous Dust
M. P. Li, Q. J. Shi, Aigen Li
The recent Spitzer detections of the 9.7 micron Si--O silicate emission in type 1 AGNs provide support for the AGN unification scheme. The properties of the silicate dust are of ke…
On Dust Extinction of Gamma-ray Burst Host Galaxies
Aigen Li, S. L. Liang, D. A. Kann +3
Although it is well recognized that gamma-ray burst (GRB) afterglows are obscured and reddened by dust in their host galaxies, the wavelength-dependence and quantity of dust extinc…
Probing the cosmic acceleration history and the properties of dark energy from the ESSENCE supernova data with a model independent method
Puxun Wu, Hongwei Yu
With a model independent method the expansion history , the deceleration parameter of the universe and the equation of state for the dark energy are reconstruct…