ner_tags: O O O O O O O O B-Person I-Person I-Person O O O O O O O O B-Survey O O O B-Person I-Person I-Person O O O O B-Software I-Software O O O O O O O O O O O O O O O O O O O O O O O B-Survey O O O O B-Survey I-Survey B-Survey O O O O O O O O B-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization O B-Organization I-Organization O O O O O B-Organization I-Organization I-Organization I-Organization I-Organization B-Location O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization B-Location B-Organization I-Organization I-Organization I-Organization B-Organization I-Organization O B-Organization I-Organization I-Organization B-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization O B-Observatory I-Observatory I-Observatory I-Observatory I-Observatory I-Observatory I-Observatory O B-Organization I-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization I-Organization I-Organization O O O B-Grant O O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization O O O B-Grant O B-Organization I-Organization I-Organization O B-Organization I-Organization I-Organization B-Organization O O O O O O O O O B-Grant I-Grant I-Grant I-Grant I-Grant I-Grant O O B-Organization I-Organization B-Organization
tokens: The authors of this paper want to thank Dr J. Koppenhoefer for his support in the provision of the Pan-STARRS1 catalogue data and Dr K. Beisser for making available the Monte-Carlo simulation software for the dust coma and tail of comets. We also wish to acknowledge the important contributions for this work resulting from the Pan-STARRS1 Survey catalogue data. The Pan-STARRS1 Surveys (PS1) have been made possible through contributions of the Institute for Astronomy, the University of Hawaii, the Pan-STARRS Project Office, the Max-Planck Society and its participating institutes, the Max Planck Institute for Astronomy, Heidelberg and the Max Planck Institute for Extraterrestrial Physics, Garching, The Johns Hopkins University, Durham University, the University of Edinburgh, Queen's University Belfast, the Harvard-Smithsonian Center for Astrophysics, the Las Cumbres Observatory Global Telescope Network Incorporated, the National Central University of Taiwan, the Space Telescope Science Institute, the National Aeronautics and Space Administration under Grant No. NNX08AR22G issued through the Planetary Science Division of the NASA Science Mission Directorate, the National Science Foundation under Grant No. AST-1238877, the University of Maryland, and Eotvos Lorand University (ELTE). This research was supported by the cluster of excellence ‘Origin and structure of the universe’ of the Deutsche Forschungsgemeinschaft DFG.