The FERRUM project: Experimental lifetimes and transition probabilities from highly excited even 4d levels in Fe ii

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Volume 584 (December 2015)

A&A, 584 (2015) A24

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Table 2

Resulting transition probabilities and oscillator strengths for the lines studied.

Upper level^a	τ^b/ns	Lower level^a	σ^a/cm^-1	λ_air/nm	B F_exp ^b	B F_th ^c	A_exp^b/10⁸ s	A_th^c/10⁸ s	A_th^d/10⁸ s	log gf^b	Uncert^e%

e⁶G_13/2	2.1 ± 0.3	z⁶F_11/2	42 067.10	237.64	1.00	1.00	4.76 ± 0.7	6.32	6.36	0.752	15
e⁶G_11/2	2.0 ± 0.2	z⁶F_11/2	42 328.81	236.17	0.0595 ± 0.003	0.0666	0.298 ± 0.03	0.455	0.434	−0.524	10
		z⁶F_9/2	42 182.04	237.00	0.928 ± 0.007	0.921	4.64 ± 0.5	6.30	5.88	0.672	11
		Residual^f				0.0124
e⁶G_9/2	1.9 ± 0.2	z⁶F_9/2	42 412.97	235.70	0.146 ± 0.006	0.141	0.769 ± 0.09	0.969	0.928	−0.193	12
		z⁶F_7/2	42 290.75	236.39	0.826 ± 0.01	0.832	4.34 ± 0.5	5.72	5.31	0.561	12
		z⁶P_7/2	41 869.55	238.76	0.0137 ± 0.005	0.0133	0.072 ± 0.03	0.0916	0.106	−1.210	42
		Residual				0.0145
e⁶G_7/2	1.8 ± 0.2	z⁶F_7/2	42 473.69	235.37	0.171 ± 0.04	0.129	0.949 ± 0.2	0.832	1.39	−0.200	21
		z⁶F_5/2	42 375.90	235.91	0.420 ± 0.08	0.382	2.33 ± 0.5	2.46	4.74	0.192	21
		z⁴P_5/2	37 743.27	264.87	0.0070 ± 0.003	0.144	0.039 ± 0.02	0.926	0.0554	−1.484	51
		Residual				0.345
e⁶G_5/2	1.9 ± 0.2	z⁶F_5/2	42 510.02	235.17	0.276 ± 0.01	0.274	1.45 ± 0.2	1.91	1.72	−0.142	14
		z⁶F_3/2	42 443.55	235.54	0.692 ± 0.01	0.693	3.64 ± 0.4	4.82	4.42	0.259	11
		Residual				0.032
e⁶G_3/2	1.7 ± 0.3	z⁶F_5/2	42 603.41	234.65	0.0281 ± 0.001	0.0267	0.165 ± 0.03	0.186	0.178	−1.264	18
		z⁶F_3/2	42 536.96	235.02	0.343 ± 0.01	0.293	2.02 ± 0.3	2.04	1.93	−0.174	15
		z⁶F_1/2	42 498.42	235.23	0.613 ± 0.01	0.671	3.60 ± 0.6	4.68	4.38	0.077	17
		Residual				0.0092

Notes.

^(a)

Complete description of transition: 3d⁶(⁵D)4p z⁶F, z⁶P, z⁴P−3d⁶(⁵D)4d e⁶G. Transition energies are from Nave & Johansson (2013) where available or else from Kurucz (2013);

^(b)

this work;

^(c)

Kurucz (2013);

^(d)

Raassen & Uylings (1998a,b);

^(e)

uncertainty in the experimental A values;

^(f)

residual is the sum of all theoretical BFs for the unobserved lines from this level.

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