ner_tags: O O O O O O B-Telescope I-Telescope I-Telescope B-Telescope O B-Telescope O O O O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O B-Observatory I-Observatory I-Observatory O O B-Observatory I-Observatory I-Observatory O O O O O O B-Location B-Organization I-Organization I-Organization I-Organization I-Organization O O B-Grant B-Software O O O O B-Observatory I-Observatory I-Observatory I-Observatory O O O O O B-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization I-Organization O O O O O B-Organization I-Organization I-Organization
tokens: ACKNOWLEDGEMENTS Based on observations with the Atacama Pathfinder EXperiment (APEX) telescope. APEX is a collaboration between the Max Planck Institute for radio Astronomy, the European Southern Observatory, and the Onsala Space Observatory. The authors acknowledge support from the UK Science and Technology Facility Council under grant ST/L000768/1. iraf is distributed by the National Optical Astronomy Observatory, which is operated by the Association of Universities for Research in Astronomy, Inc., under co-operative agreement with the National Science Foundation.