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

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

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) along the line-of-sight to this source. Five carbon a RRLs were detected in absorption between 40 and 50 MHz with a signa...

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Main Authors: Asgekar, A., Oonk, J., Yatawatta, S., van Weeren, R., McKean, J., White, G., Jackson, N., Anderson, J., Avruch, I., Batejat, F., Beck, R., Bell, M., van Bemmel, I., Bentum, M., BERNARDI, G., Best, P., Birzan, L., Bonafede, A., Braun, R., Breitling, F., van de Brink, R., Broderick, J., Brouw, W., Brueggen, M., Butcher, H., van Cappellen, W., Ciardi, B., Conway, J., de Gasperin, F., de Geus, E., de Jong, A., de Vos, M., Duscha, S., Eisloeffel, J., Falcke, H., Fallows, R., Ferrari, C., Frieswijk, W., Garrett, M., Griessmeier, J., Grit, T., Gunst, A., Hassall, T., Heald, G., Hessels, J., Hoeft, M., Iacobelli, M., Intema, H., Juette, E., Karastergiou, A., Kohler, J., Kondratiev, V., Kuniyoshi, M., Kuper, G., Law, C., van Leeuwen, J., Maat, P., Macario, G., Mann, G., Markoff, S., McKay-Bukowski, D., Mevius, M., Miller-Jones, James, Mol, J., Morganti, R., Mulcahy, D., Munk, H., Norden, M., Orru, E., Paas, H., Pandey-Pommier, M., Pandey, V., Pizzo, R., Polatidis, A., Reich, W., Roettgering, H., Scheers, B., Schoenmakers, A., Sluman, J., Smirnov, O., Sobey, C., Steinmetz, M., Tagger, M., Tang, Y., Tasse, C., Vermeulen, R., Vocks, C., Wijers, R., Wise, M., Wucknitz, O., Zarka, P.
Format: Journal Article
Published: EDP Sciences 2013
Subjects:
ISM: individual objects: Cassiopeia A
ISM: clouds
radio lines: ISM
Online Access:http://www.aanda.org/articles/aa/abs/2013/03/aa21001-12/aa21001-12.html
http://hdl.handle.net/20.500.11937/8685

Internet

http://www.aanda.org/articles/aa/abs/2013/03/aa21001-12/aa21001-12.html
http://hdl.handle.net/20.500.11937/8685

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