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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > H gamma

H gamma
subject			fact

H gamma	has wavelength 4342 Å
	has upper energy level 5
	is an instance of spectral line
	is an instance of Balmer line
Balmer line	has series limit 3647 Å
	has lower energy level 2
spectral line	has transition
	has equivalent width
hydrogen line	has species hydrogen (H I)
spectral feature	has width
	occurs in
	has species
radiation measurement	has unit radiation unit
number	has value