Cloud Structure and Physical Conditions in Star-forming Regions from Optical Observations. I. Data and Component Structure

K. Pan, S. R. Federman, K. Cunha +2

We present high-resolution optical spectra (at ~0.6--1.8 km s-1) of interstellar CN, CH, CH^+, \ion{Ca}{1}, \ion{K}{1}, and \ion{Ca}{2} absorption toward 29 lines of sight in three…