Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999aas...195.8402b&link_type=abstract
American Astronomical Society, 195th AAS Meeting, #84.02; Bulletin of the American Astronomical Society, Vol. 31, p.1498
Astronomy and Astrophysics
Astronomy
Scientific paper
We present SWAS observations of the 3P1 -> 3P0 fine-structure emission of neutral carbon ([CI]) towards the high latitude cloud MCLD 123.5+24.9, a translucent cloud located in the Polaris Flare. Observations were made towards 10 positions along a cut from the edge of the molecular cloud towards regions bright in 12CO 2->1. The peak temperature of the spectral line typically is 0.3-0.5 K for positions where [CI] emission is detected. Preliminary results of a comparison to ground based CO observations suggest that the [CI] emission is correlated with the 12CO 2->1 rather than the 13CO 2->1 emission. This is in contrast to the findings for star-forming molecular clouds, where a correlation of [CI] and low rotational transitions of 13CO is noted. {F.B. is supported by the Deutsches Zentrum für} Luft- und Raumfahrt (DLR grant no. 051311 54799 531060.03 SWAS)}
Ashby Matthew L. N.
Bensch Frank
Bergin Edwin A.
Carpenter John
Chin Gordon
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