Abstract
We present results of long slit spectroscopy, from 2.0 to 2.5 microns, of the photodissociation region in the northern bar of M17. The observations give us an insight into the physical conditions in the region and provide evidence which suggests that the ortho to para ratio of molecular hydrogen does not equal 3. We briefly discuss the astrophysical relevance of this.
Original language | English |
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Title of host publication | In: Astronomical Infrared Spectroscopy: Future Observational Directions - ASP Conf Series 41 |
Publisher | Astronomical Society of the Pacific |
Pages | 207-210 |
ISBN (Print) | 0-937707-60-0, 978-1-58381-377-5 |
Publication status | Published - 1993 |