LOFAR detections of low-frequency radio recombination lines towards Cassiopeia A

Ashish Asgekar, J. B. R. Oonk, S. Yatawatta +89

Cassiopeia A was observed using the Low-Band Antennas of the LOw Frequency ARray (LOFAR) with high spectral resolution. This allowed a search for radio recombination lines (RRLs) a…