Table 4: Experimental and theoretical radiative lifetimes (in ns) for odd-parity levels of Os II.
E (cm-1)a Config.a J Expt Expt Theory
      Previousb This workc This workd
39 389.49 $\rm 5d^56s(^7S)6p \ ^8P^\circ$ 7/2 $68 \pm 5$ $66 \pm 6$ 198
41 282.95 $\rm 5d^56s(^7S)6p \ ^8P^\circ$ 9/2     122
43 802.36 $\rm 5d^6(^5D)6p \ ^6D^\circ$ 7/2 $5.9 \pm 0.5$ $5.3 \pm 0.4$ 5.7
44 315.40 $\rm 5d^6(^5D)6p \ ^6D^\circ$ 9/2   $5.1 \pm 0.4$ 5.1
46 157.19 $\rm 5d^6(^5D)6p \ ^6D^\circ$ 3/2 $5.6 \pm 0.5$   5.8
46 373.51 $\rm 5d^6(^5D)6p \ ^6D^\circ$ 5/2 $5.6 \pm 0.5$ $6.0 \pm 0.6$ 5.6
48 128.08 $\rm 5d^6(^5D)6p \ ^6D^\circ$ 1/2 $5.9 \pm 0.5$   5.6
48 798.70 $\rm 5d^6(^5D)6p \ ^6F^\circ$ 5/2 $6.7 \pm 0.5$   7.4
49 149.39 $\rm 5d^56s(^7S)6p \ ^6P^\circ$ 7/2   $6.7 \pm 0.6$ 6.4
51 770.38 $\rm 5d^56s(^7S)6p \ ^6P^\circ$ 5/2     8.2
51 951.61 $\rm 5d^6(^5D)6p \ ^6F^\circ$ 9/2 $3.2 \pm 0.3$ $3.2 \pm 0.3$ 3.9
52 206.48 $\rm 5d^6(^5D)6p \ ^6F^\circ$ 7/2 $4.7 \pm 0.4$ $4.9 \pm 0.4$ 4.6
54 379.27 $\rm 5d^6(^5D)6p \ ^4F^\circ$ 7/2 $4.0 \pm 0.4$ 4.3
54 445.19 $\rm 5d^6(^5D)6p \ ^4D^\circ$ 5/2 $4.2 \pm 0.4$ 4.0
a Van Kleef & Klinkenberg (1961); b Ivarsson et al. (2004);
c LIF measurements (see text); d HFR calculations (see text).

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