CO Multi-line Imaging of Nearby Galaxies (COMING). XII. CO-to-H${}_2$ Conversion Factor and Dust-to-Gas Ratio

Atsushi Yasuda, Nario Kuno, Kazuo Sorai +8

We simultaneously measured the spatially-resolved CO-to-H${}_2$ conversion factor (${\alpha }_{\mathrm{CO}}$) and dust-to-gas ratio (DGR) in nearby galaxies on a kiloparsec scale. In this st…