The HP2 Survey - IV. The Pipe nebula: Effective dust temperatures in dense cores Birgit Hasenberger, Marco Lombardi, João Alves, Jan Forbrich, Alvaro Hacar and Charles J. Lada A&A, 620 (2018) A24 Published online: 23 November 2018 DOI: 10.1051/0004-6361/201732513