On the origin of molecular oxygen in cometary comae

Heritier, K L ¹     ; Altwegg, K ² ; J-J Berthelier ³ ; Beth, A ¹ ; Carr, C M ¹     ; De Keyser, J ⁴     ; Eriksson, A I ⁵ ; Fuselier, S A ⁶ ; Galand, M ¹     ; Gombosi, T I ⁷     ; Henri, P ⁸ ; Johansson, F L ⁵ ; Nilsson, H ⁹ ; Rubin, M ²     ; C Simon Wedlund ¹⁰ ; M G G T Taylor ¹¹ ; Vigren, E <sup>3 

1</sup>  Department of Physics, Imperial College London, London, UK 
²  Physikalisches Institut, University of Bern, Bern, Switzerland 
³  LATMOS/IPSL-CNRS-UPMC-UVSQ, Saint-Maur, France 
⁴  BIRA-IASB, Royal Belgian Institute for Space Aeronomy, Brussels, Belgium 
⁵  Swedish Institute of Space Physics, Ångström Laboratory, Uppsala, Sweden 
⁶  Southwest Research Institute, San Antonio, TX, USA; University of Texas at San Antonio, San Antonio, TX, USA 
⁷  Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor, MI, USA 
⁸  LPC2E, CNRS, Orléans, France 
⁹  Swedish Institute of Space Physics, Kiruna, Sweden 
¹⁰  Department of Physics, University of Oslo, Oslo, Norway 
¹¹  European Space Agency, Noordwijk, The Netherlands