Where is OH and Does It Trace the Dark Molecular Gas (DMG)?
Authors: Di Li, Ningyu Tang, Hiep Nguyen, J. R. Dawson, Carl Heiles, Duo Xu, Zhichen Pan, c Paul F. Goldsmith, Steven J. Gibson, Claire E. Murray, Tim Robishaw, N. M. McClure-Griffiths, John Dickey, Jorge Pineda, Snežana Stanimirović, L. Bronfman, and Thomas Troland
2018 The Astrophysical Journal Supplement Series2351.
Provider: AAS Journals
Caption: Figure 8.
OH column densities derived from the 1667 line, N(OH), vs. H I column densities, N(H I), both on a Gaussian component-by-component basis. The triangles depict approximate upper limits for H I components where OH was not detected (see Section 4.1).