High-Resolution CH Observations of Two Translucent Molecular Clouds

Details High-Resolution CH Observations of Two Translucent Molecular Clouds High-Resolution CH Observations of Two Translucent Molecular Clouds

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aj....139..267c&link_type=abstract

The Astronomical Journal, Volume 139, Issue 1, pp. 267-278 (2010).

Astronomy and Astrophysics

Astronomy

2

Ism: Clouds, Ism: Molecules, Radio Lines: Ism

Scientific paper

We present high-resolution (1farcm3 × 1farcm6) observations of the CH 2Π1/2 (F = 1-1) emission line at 3335 MHz in two high-latitude translucent clouds, MBM 3 and 40. At the assumed cloud distances, the angular resolution corresponds to ~0.05 pc, nearly an order of magnitude better than previous studies. Comparisons of the CH emission with previously obtained CO(1-0) data are difficult to interpret: the CO and CH line emission correlates in MBM 40 but not in MBM 3. In both clouds, there is a spatial offset in the peak emission, and perhaps in velocity for MBM 40. The difference in emission characteristics for the two tracers are noticeable in these two nearby clouds because of the high spatial resolution. Since both CH and CO are deemed to be reliable tracers of H2, our results indicate that more care should be taken when using one of these tracers to determine the mass of a nearby molecular cloud.

Affiliated with

Also associated with

No associations

Rating

High-Resolution CH Observations of Two Translucent Molecular Clouds 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 High-Resolution CH Observations of Two Translucent Molecular Clouds, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-Resolution CH Observations of Two Translucent Molecular Clouds will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1888778