Molecular and atomic gas in the Local Group galaxy M 33
- P. Gratier
- J. Braine
- N. J. Rodriguez-Fernandez
- K. F. Schuster
- C. Kramer
- E. M. Xilouris
- F. S. Tabatabaei
- C. Henkel
- E. Corbelli
- F. Israel
- P. P. van der Werf
- D. Calzetti
- S. Garcia-Burillo
- A. Sievers
- F. Combes
- T. Wiklind
- N. Brouillet
- F. Herpin
- S. Bontemps
- S. Aalto
- B. Koribalski
- F. van der Tak
- M. C. Wiedner
- M. Röllig
- B. Mookerjea
DOIAbstract
We present high-resolution large-scale observations of the molecular and atomic gas in the Local Group galaxy M 33. The observations were carried out using the HEterodyne Receiver Array (HERA) at the 30 m IRAM telescope in the CO(2–1) line, achieving a resolution of 12″ × 2.6 km s-1, enabling individual giant molecular clouds (GMCs) to be resolved. The observed region is 650 square arcminutes mainly along the major axis and out to a radius of 8.5 kpc, and covers entirely the 2′ × 40′ radial strip observed with the HIFI and PACS Spectrometers as part of the HERM33E
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