Zobrazeno 1 - 10
of 445
pro vyhledávání: '"Liang, G. Y."'
Autor:
Liang, G. Y., Sun, T. R., Lu, H. Y., Zhu, X. L., Wu, Y., Li, S. B., Wei, H. G., Yuan, D. W., Cui, W., Ma, X. W., Zhao, G.
Soft x-ray emissions induced by solar wind ions that collide with neutral material in the solar system have been detected around planets, and were proposed as a remote probe for the solar wind interaction with the Martian exosphere. A multi-fluid thr
Externí odkaz:
http://arxiv.org/abs/2212.09909
Autor:
Xu, J. W., Xu, C. X., Zhang, R. T., Zhu, X. L., Feng, W. T., Gu, L., Liang, G. Y., Guo, D. L., Gao, Y., Zhao, D. M., Zhang, S. F., Su, M. G., Ma, X.
Publikováno v:
The Astrophysical Journal Supplement Series,2021 vol 253. P13
Charge exchange between highly charged ions and neutral atoms and molecules has been considered as one of the important mechanisms controlling soft X ray emissions in many astrophysical objects and environments. However, for modeling charge exchange
Externí odkaz:
http://arxiv.org/abs/2105.04438
Several laboratory facilities were used to benchmark theoretical spectral models those extensively used by astronomical communities. However there are still many differences between astrophysical environments and laboratory miniatures that can be arc
Externí odkaz:
http://arxiv.org/abs/1401.7769
Publikováno v:
Astron. Astrophys. 2011
We present results for the electron-impact excitation of highly-charged sulphur ions (S8+ - S11+) obtained using the intermediate-coupling frame transformation R-matrix approach. A detailed comparison of the target structure has been made for the fou
Externí odkaz:
http://arxiv.org/abs/1108.0091
R-matrix inner-shell electron-impact excitation of Fe$^{15+}$ including Auger-plus-radiation damping
We present results for the inner-shell electron-impact excitation of Fe$^{15+}$ using the intermediate-coupling frame transformation {\it R}-matrix approach in which Auger-plus-radiation damping has been included. The target and close-coupling expans
Externí odkaz:
http://arxiv.org/abs/0811.0750
Autor:
Liang, G. Y., Zhao, G., Zhong, J. Y., Li, Y. T., Liu, Y. Q., Dong, Q. L., Yuan, X. H., Jin, Z., Zhang, J.
Rich soft X-ray emission lines of highly charged silicon ions (Si VI--Si XII) were observed by irradiating an ultra-intense laser pulse with width of 200 fs and energy of $\sim$90 mJ on the solid silicon target. The high resolution spectra of highly
Externí odkaz:
http://arxiv.org/abs/0803.2182
Autor:
Liang, G. Y., Zhao, G.
Different observation data for cool star--Procyon (Obs\_IDs of 63, 1461 and 1224) available from {\it Chandra Data Public Archive} were co-added and analyzed. Emissivities of emission lines of highly charged silicon ions (Si VII--Si XII) were calcula
Externí odkaz:
http://arxiv.org/abs/0711.2215
Theoretical electron density-sensitive line ratios $R_1 - R_6$ of Ar XIV soft X-ray emission lines are presented. We found that these line ratios are sensitive to electron density $n_e$, and the ratio $R_1$ is insensitive to electron temperature $T_e
Externí odkaz:
http://arxiv.org/abs/physics/0606118
Determinations of temperature and density for solar-like Stars using Si XI soft X-ray emission lines
Autor:
Liang, G. Y., Zhao, G.
Publikováno v:
Astron.J.132:1547-1554,2006
We study temperature and density sensitivities of ratios of Si XI soft X-ray emission lines, in the wavelength range of 43--54\AA . The typical temperature of the formation of the analyzed lines is around 1.6~MK, which makes this analysis complementa
Externí odkaz:
http://arxiv.org/abs/astro-ph/0606289
Publikováno v:
Astron.J.132:371-377,2006
Electron density diagnostics based on a line intensity ratio of Si X are applied to the X-ray spectra of Procyon, $\alpha$ Cen A$&$B, Capella and $\epsilon$ Eri measured with the Low Energy Transmission Grating Spectrometer (LETGS) combined with High
Externí odkaz:
http://arxiv.org/abs/astro-ph/0604188