2021

The prospects for observing [OIII] 52 micron emission from galaxies during the Epoch of Reionization

Yang, Shengqi, Lidz, Adam, Popping, Gergö

Understand

The [OIII] 88 $\mu$m fine structure emission line has been detected into the Epoch of Reionization (EoR) from star-forming galaxies at redshifts $6 < z \lesssim 9$ with ALMA.

  • These measurements provide valuable information regarding the properties of the interstellar medium (ISM) in the highest redshift galaxies discovered thus far.
  • The [OIII] 88 $\mu$m line observations leave, however, a degeneracy between the gas density and metallicity in these systems.
  • Here we quantify the prospects for breaking this degeneracy using future ALMA observations of the [\oiii] 52 $\mu$m line.

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