coronal lines

coronal lines

Bright emission lines observed in the spectrum of the Sun's E-corona.
References in periodicals archive ?
(1945) The identification of the coronal lines. Mon.
Grotrian (famous for the so-called Grotrian diagrams of atomic energy levels) noticed (3) a possible transition whose wavelength matches the red coronal line (637.4 nm).
Electron capture is thus associated with the activation of a highly ionized species which then emits the well known coronal lines. Unlike the SSM, light need not be invoked to excite these highly ionized species.
22, as both chromospheric lines (see [section]3.4, [section]3.5, [section]3.6) and coronal lines (see [section]3.8) can be detected within coronal loops.
Demystifying the coronal line region of active galactic nuclei: spatially resolved spectroscopy with HST.
Where is the coronal line region in active galactic nuclei?.
Morphology of the coronal line region in Active Galactic Nuclei.