Photometric and spectroscopic analysis of high galactic latitude molecular clouds. II - High-resolution spectroscopic observations of NA I, CA II, CA I, CH, and CH(+1)
B. E. Penprase;
ApJS, 1993, 88, 433
ABSTRACT:High-resolution spectroscopic observations in the wavelengths of the species Na I, Ca II, and Ca I and the molecular species CH and CH(+) have
been performed toward stars behind a variety of high galactic latitude
molecular clouds (HLCs).
Seventeen new detections of molecular absorption are
reported.
The sizes, densities, and molecular content found for the HLCs are
consistent with an interpretation of HLC molecular cores as extremely compact
structures of enhanced molecular content which may have evolved from larger H I
shells.
KEYWORDS: abundance, astronomical photometry, astronomical spectroscopy, error analysis, interstellar matter, molecular clouds, galactic halos, high resolution, hydrogen, methylidyne
CODE: penprase93