The evolving cluster cores: Putting together the pieces of the puzzle

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Table 6.

Major low temperature emission lines.

Ion	Transition	Rest frame En. ^(a)	kT of ME ^(b)
		(keV)	(keV)
Fe XXI	40 to 1	1.009	1.09
Fe XXIII	12 to 5	1.020	1.37

Fe XXII	21 to 1	1.053	1.09
Fe XXIII	20 to 5	1.056	1.37

Fe XXIV	4 to 3	1.085	1.72
Fe XXIV	8 to 3	1.109	1.72

Fe XXIV	7 to 2	1.124	1.72
Fe XXIII	15 to 1	1.129	1.37

Fe XXIV	5 to 1	1.163	1.72
Fe XXIV	6 to 1	1.168	1.72

Notes.

^(a)

Here energies are expressed in the rest frame, in the text in the observer frame.

^(b)

Temperature at which Maximum Emissivity (ME) is reached.

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