Astronomy   View all facts   Glossary   Help
abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > ionized helium line
Next spectral lineresonance line    Upspectral line    Previous spectral lineintercombination line   

ionized helium line
subjectfact 
ionized helium linehas definition Set of spectral features associate with ionized helium (He II)has source: Talbot, J. 2001, 2001-09-27 09:33:20.0
is a kind of spectral line2001-09-27 09:33:20.0
has species ionized helium (He II)has source: Hopkins, J. 1976 Glossary of Astronomy and Astrophysics, University of Chicago Press, 2001-09-27 09:33:20.0
spectral linehas transition2001-09-27 09:33:20.0
has equivalent width2001-09-27 09:33:20.0
spectral featurehas wavelength2001-09-27 09:33:18.0
has width2001-09-27 09:33:18.0
occurs in2001-09-27 09:33:18.0
radiation measurementhas unit radiation unit2001-09-27 09:33:16.0
numberhas value2001-09-27 09:32:57.0

Kinds of ionized helium line :