Fe XIII line in R Aquarii

Details Fe XIII line in R Aquarii Fe XIII line in R Aquarii

Feb 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976natur.259..466z&link_type=abstract

Nature, vol. 259, Feb. 12, 1976, p. 466, 467. NASA-NSF-supported research.

Astronomy and Astrophysics

Astronomy

1

Emission Spectra, Iron, Radio Sources (Astronomy), Stellar Spectra, Coronas, Forbidden Transitions, Metal Ions, Stellar Atmospheres

Scientific paper

The emission line of the forbidden coronal transition of Fe XIII at 10,747 A has been detected in data from a spectral survey at R Aquarii. Strong emission lines of He I at 10,830 A and P gamma have been identified; a line at 11,013 A may be He I 3(1)S-6(1)P. It is suggested that the observed iron line is produced by a corona surrounding R Aquarii inter alia. The corona may be the source of the radio emission reported by Gregory and Seaquist (1974).

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