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Comparing Numerical Methods for Isothermal Magnetized Supersonic Turbulence
Alexei G. Kritsuk, Aake Nordlund, David Collins +13
We employ simulations of supersonic super-Alfvenic turbulence decay as a benchmark test problem to assess and compare the performance of nine astrophysical MHD methods actively use…
Lowering the Characteristic Mass of Cluster Stars by Magnetic Fields and Outflow Feedback
Zhi-Yun Li, Peng Wang, Tom Abel +1
Magnetic fields are generally expected to increase the characteristic mass of stars formed in stellar clusters, because they tend to increase the effective Jeans mass. We test this…
Extremely metal-poor stars in classical dwarf spheroidal galaxies: Fornax, Sculptor and Sextans
M. Tafelmeyer, P. Jablonka, V. Hill +13
We present the results of a dedicated search for extremely metal-poor stars in the Fornax, Sculptor and Sextans dSphs. Five stars were selected from two earlier VLT/Giraffe and HET…
Outflow Feedback Regulated Massive Star Formation in Parsec-Scale Cluster Forming Clumps
Peng Wang, Zhi-Yun Li, Tom Abel +1
(Abridged) We investigate massive star formation in turbulent, magnetized, parsec-scale clumps of molecular clouds including protostellar outflow feedback using Enzo-based MHD simu…