arXiv:1011.0475v1 [astro-ph.GA] 2 Nov 2010 The magnetic field in the NGC 2024 FIR 5 dense core Felipe de O. Alves and Josep M. Girart Institut de Ci` encies de l’Espai (IEEC–CSIC), Campus UAB, Facultat de Ci` encies, Torre C5 – parell 2, 08193, Bellaterra, Catalunya, Spain [oliveira;girart]@ice.cat Shih-Ping Lai Institute of Astronomy and Department of Physics, National Tsing Hua University, Hsinchu 30043, Taiwan slai@phys.nthu.edu.tw Ramprasad Rao Submillimeter Array, Institute of Astronomy and Astrophysics, Academia Sinica, 645 N Aohoku Pl, HI 9672 rrao@sma.hawaii.edu and Qizhou Zhang Harvard-Smithsonian Center for Astrophysics, 60 Garden Street, Cambridge, MA 02138, USA qzhang@cfa.harvard.edu Received ; accepted