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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > ionized helium line > ionized helium Balmer line

ionized helium Balmer line
subject			fact

ionized helium Balmer line	is a kind of spectral series line
	is a kind of ionized helium line
spectral series line	has series limit
	has lower energy level
ionized helium line	has species ionized helium (He II)
spectral line	has transition
	has equivalent width
spectral feature	has wavelength
	has width
	occurs in
radiation measurement	has unit radiation unit
number	has value

Kinds of ionized helium Balmer line :

• He II Balmer alpha (2 facts)