Astronomy and Astrophysics – Astrophysics
Scientific paper
2000-09-04
Astronomy and Astrophysics
Astrophysics
4 pages, 3 figures, includes procl.sty; presented at "The interstellar medium of M31 and M33"
Scientific paper
We have accumulated 12CO(1-0) and (2-1) data of several GMCs in M31 using the Plateau de Bure Interferometer. The sample covers a range of 5 to 18 kpc galactocentric distance and various physical conditions. The spatial resolution attains values down to 3 pc. All GMCs investigated have been resolved into several components, also seemingly quiescent clouds and not only the cases where already the survey positions show obvious multiple-peaked spectra. Such kinematically disjunct emission is however spatially coincident in the small volume of the interferometer beam in M31, which strongly favours local effects as the cause of the velocity splitting. This is well consistent with the observed absence of strong streaming motions in the survey data. The nature of the sometimes strong separation in velocity space needs further investigation. The complete data set (i.e. including the large-scale survey) yields a uniquely complete view of the molecular gas which allows to investigate the conditions for star formation in detail and helps to establish guide lines for the derivation of the properties of molecular gas.
No associations
LandOfFree
Molecular cloud complexes in detail: Interferometric observations of GMCs in M31 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 Molecular cloud complexes in detail: Interferometric observations of GMCs in M31, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Molecular cloud complexes in detail: Interferometric observations of GMCs in M31 will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-486782