High Rydberg State Carbon Recombination Lines from Interstellar Clouds
Anantharamaiah, K. R. · Kantharia, Nimisha G.
Original · EN
We report observations of carbon recombination lines near 34.5 MHz (qunatum number n=578) and 325 MHz (n=272) made towards Cas A, the Galactic centre and about ten other directions in the galactic plane. Constraints on the physical conditions in the line forming regions are derived from these and other existing observations. The CII regions that produce the low-frequency lines are most likely associated with the neutral HI component of the ISM.
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