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abstraction > mathematical concept > number > quantity > radiation measurement > spectral feature > spectral line > absorption line > k line

k line
subject			fact

k line	has wavelength 2795.5 Å
	has definition Singly ionized magnesium resonance line.
	is a kind of absorption line
	has species Mg II
absorption line	has antonym emission line
spectral line	has transition
	has equivalent width
spectral feature	has width
	occurs in
radiation measurement	has unit radiation unit
number	has value