Based on the heavy element nucleosynthesis theory, with the solar heavy-nuclide abundances and the observed abundances of three elements which are the representatives of the individul neutron-capture processes, a meth...Based on the heavy element nucleosynthesis theory, with the solar heavy-nuclide abundances and the observed abundances of three elements which are the representatives of the individul neutron-capture processes, a method to determine the relative contributions from the individul neutron-capture processes to the abundances of heavy elements in metal-poor stars is applied. With this method, the abundances of heavy elements in ultra-metal-poor star CS 22892-052 are calculated. It is found that the observed abundances of heavy elements in this star are well matched by our calculations in error limits, except for thorium.展开更多
Subject Code:A03A Chinese team led by Prof.Shi Yong(施勇)at the School of Astronomy and Space Science,Nanjing University,reported the first detection of emission from carbon monoxide in an extremely metal-poor galaxy,...Subject Code:A03A Chinese team led by Prof.Shi Yong(施勇)at the School of Astronomy and Space Science,Nanjing University,reported the first detection of emission from carbon monoxide in an extremely metal-poor galaxy,which was published in Nature Communication(2016,7:13789).This work is under the support by the National Natural Science Foundation of China.展开更多
基金Project supported by the National Natural Science Foundation of China (Grant No. 19673008)
文摘Based on the heavy element nucleosynthesis theory, with the solar heavy-nuclide abundances and the observed abundances of three elements which are the representatives of the individul neutron-capture processes, a method to determine the relative contributions from the individul neutron-capture processes to the abundances of heavy elements in metal-poor stars is applied. With this method, the abundances of heavy elements in ultra-metal-poor star CS 22892-052 are calculated. It is found that the observed abundances of heavy elements in this star are well matched by our calculations in error limits, except for thorium.
文摘Subject Code:A03A Chinese team led by Prof.Shi Yong(施勇)at the School of Astronomy and Space Science,Nanjing University,reported the first detection of emission from carbon monoxide in an extremely metal-poor galaxy,which was published in Nature Communication(2016,7:13789).This work is under the support by the National Natural Science Foundation of China.
