Gas Sources from the Coma and Nucleus of Comet 46P/Wirtanen Observed Using ALMA

M. A. Cordiner, N. X. Roth, S. N. Milam +10

Gas-phase molecules in cometary atmospheres (comae) originate primarily from (1) outgassing by the nucleus, (2) sublimation of icy grains in the near-nucleus coma, and (3) coma (ph…