Improved Ni II oscillator strengths from quasar absorption systems

Open Access

Table 1.

Quasar sample.

Target	z_em	V^b	Spectrograph	Δt	Date
name^a				h
HE 0027–1836	2.550	17.90	UVES	33.3	2010–2012
FBQS J0812+3208	2.711	17.75	HIRES	5.8	03–11/2002
			HIRES	4.0	04/2007
TXS 1331+170	2.089	16.71	UVES	8.5	03–04/2011
			HIRES	10.0	04–06/1994
LBQS 2206–1958	2.558	17.33	UVES	6.9	05/2000
			UVES	24.0	2011-2012
			HIRES	4.2	9–10/1994

Notes.

^(a)

As given in the SIMBAD database.

^(b)

V magnitude.

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