Temperature constraints on the coldest brown dwarf known: WISE 0855-0714 J. C. Beamín, V. D. Ivanov, A. Bayo, K. Mužić, H. M. J. Boffin, F. Allard, D. Homeier, D. Minniti, M. Gromadzki, R. Kurtev et al. (3 more) A&A, 570 (2014) L8 Published online: 17 October 2014 DOI: 10.1051/0004-6361/201424505