NASA NTRS · 19860049342
Interstellar absorption features toward the compact infrared source W33A
Abstract
A high-resolution (lambda/Delta lambda of approximately 2000) broad-bandwidth (3.3-5.0 microns) spectrum of the compact infrared source W33A is presented. Four absorption features are associated with compositionally distinct components in the interstellar medium: solid-phase C3, CN, or CH3OH at 4.9 microns, solid-phase CO and either solid or gaseous CH3NC near 4.6 microns and the well-known dirty ice feature near 3 microns. The analysis of this spectrum supports chemically complex models of grain mantle evolution in cold, quiescent molecular clouds.
Keep this discovery
Explore connections, maps & timelines
Larson, H. P., Davis, D. S., Black, J. H., Fink, U.. 1985-12-15. Interstellar absorption features toward the compact infrared source W33A. https://ntrs.nasa.gov/citations/19860049342
Cite the original work for its findings. Save a collection to share your selection of sources.