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astro-ph.SR2020★ 25 cited
Nonlinear turbulent dynamo during gravitational collapse
Siyao Xu, Alex Lazarian
Via amplification by turbulent dynamo, magnetic fields can be potentially important for the formation of the first stars. To examine the dynamo behavior during the gravitational co…
astro-ph.SR2012★ 3 cited
Extremely Metal-Poor Star Candidates in the SDSS
Siyao Xu, Huawei Zhang, Xiaowei Liu
For a sample of metal-poor stars (-3.3< [Fe/H] <-2.2) that have high-resolution spectroscopic abundance determinations, we have measured equivalent widths (EW) of the Ca II K, Mg I…