**Table 1:** Experimental radiative lifetimes in Os II.
Level^a	Energy	$\lambda_{{\rm exc}}^b$	$\lambda_{{\rm obs}}^c$	Lifetime
	(cm^-1)	(Å)	(Å)	(ns)
(⁷S)6p z⁸P_7/2	39 389.49	2538.0	3173.9	68(5)
(⁵D)6p z⁶D_7/2	43 802.36	2282.3	2486.2	5.9(5)
(⁵D)6p z⁶D_3/2	46 157.19	2367.4	3479.3	5.6(5)
(⁵D)6p z⁶D_5/2	46 373.51	2336.8	2879.4	5.6(5)
(⁵D)6p z⁶D_1/2	48 128.08	2350.2	2409.4	5.9(5)
(⁵D)6p z⁶F_5/2	48 798.70	2314.2	3202.1	6.7(5)
(⁵D)6p z⁶F_9/2	51 951.61	2067.2	2580.0	3.2(3)
(⁵D)6p z⁶F_7/2	52 206.48	2070.7	2453.5	4.7(4)

^a Level notation from Van Kleef & Klinkenberg (1961).
^b Laser wavelength used to populate the upper state.
^c Wavelength used to detect the fluorescence signal.

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