P o S ( C R I S M 2 0 1 4 ) 0 0 9 A dense gas survey of the gamma-ray sources HESS J 1731 − 347 and HESS J 1729 − 345

Nigel Maxted∗a, Gavin Rowellb, Phoebe de Wiltb, Michael Burtonc, Matthieu Renauda, Yasuo Fukuid , Jarryd Hawkesb, Rebecca Blackwellb, Fabien Voisinb, Vicki Lowece and Felix Aharonian f aLaboratoire Univers et Particules de Montpellier, Universite de Montpellier 2, France bSchool of Chemistry and Physics, University of Adelaide, Adelaide, Australia cSchool of Physics, University of New South Wales, Sydney, Australia dDepartment of Astrophysics, Nagoya University, Japan eAustralia Telescope National Facility, CSIRO Astronomy and Space Science, Australia f Max-Planck-Institut fur Kernphysik, Heidelberg, Germany