Low-J CO Line Ratios from Single-dish CO Mapping Surveys and PHANGS-ALMA

Leroy, AK; Rosolowsky, E; Usero, A; Sandstrom, K; Schinnerer, E; Schruba, A; Bolatto, AD; Sun, JY; Barnes, AT; Belfiore, F; Bigiel, F; den Brok, JS; Cao, YX; Chiang, ID; Chevance, M; Dale, DA; Eibensteiner, C; Faesi, CM; Glover, SCO; Hughes, A; Donaire, MJJ; Klessen, RS; Koch, EW; Kruijssen, JMD; Liu, DZ; Meidt, SE; Pan, HA; Pety, J; Puschnig, J; Querejeta, M; Saito, T; Sardone, A; Watkins, EJ; Weiss, A; Williams, TG

Leroy, AK (通讯作者),Ohio State Univ, Dept Astron, 140 West 18th Ave, Columbus, OH 43210 USA.;Leroy, AK (通讯作者),Ctr Cosmol & Astroparticle Phys, 191 West Woodruff Ave, Columbus, OH 43210 USA.

ASTROPHYSICAL JOURNAL, 2022; 927 (2):