... and the circle of PDR emission where the ionizationfronts hit the (molecular) gas ... Fig. 1) marks the maximum extent of the ionizationfront created by the sub-clusters ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...
... This is an `ionizationfront' where the ionizing photons from the HII region are moving into the cloud, destroying the dust and the molecules and heating and ionizing the gas. ...