Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2000
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000apj...539l.115a&link_type=abstract
The Astrophysical Journal, Volume 539, Issue 2, pp. L115-L118.
Astronomy and Astrophysics
Astronomy
25
Ism: Clouds, Ism: Molecules, Radio Lines: Ism, Stars: Formation
Scientific paper
We present spectral line profiles for the 557 GHz 110-->101 ground-state rotational transition of ortho-H216O for 18 Galactic star formation regions observed by the Submillimeter Wave Astronomy Satellite. Water is unambiguously detected in every source. The line profiles exhibit a wide variety of shapes, including single-peaked spectra and self-reversed profiles. We interpret these profiles using a Monte Carlo code to model the radiative transport. The observed variations in the line profiles can be explained by variations in the relative strengths of the bulk flow and small-scale turbulent motions within the clouds. Bulk flow (infall, outflow) must be present in some cloud cores, and in certain cases this bulk flow dominates the turbulent motions.
Ashby Matthew L. N.
Bergin Edwin A.
Carpenter John Michael
Chin Gordon
Erickson Neal R.
No associations
LandOfFree
An Analysis of Water Line Profiles in Star Formation Regions Observed by the Submillimeter Wave Astronomy Satellite does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with An Analysis of Water Line Profiles in Star Formation Regions Observed by the Submillimeter Wave Astronomy Satellite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and An Analysis of Water Line Profiles in Star Formation Regions Observed by the Submillimeter Wave Astronomy Satellite will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-735969