Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 2011
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011aas...21743433r&link_type=abstract
American Astronomical Society, AAS Meeting #217, #434.33; Bulletin of the American Astronomical Society, Vol. 43, 2011
Astronomy and Astrophysics
Astronomy
Scientific paper
For the first time radio recombination lines at 800MHz have been detected toward W51A. The spectra are analyzed and compared with lines at higher frequencies. The line width of the Hα210 and Hα206 are 25 and 31 km/s, respectively. There is no signature of pressure broadening as expected from the radio recombination line theory. From the literature, the radio continuum at 800Mhz on W51A is expected to be optically thick.
Arce Hector
Ghosh Tamal
Lebron Mayra
Minchin Robert
Rivera Emy M.
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