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Table 1

QSO names, redshifts and ions of 23 intervening Ca ii absorbers at z = 0 − 0.5 detected in our QSO sample.

QSO Alt. Name zabs Biasa Detected ionsb Undetected ionsb
J121509+330955 Ton 1480 0.00396 yes Ca ii, Na i
J133007-205616 PKS 1327-206 0.01831 no Ca ii, Na i
J215501-092224 PHL 1811 0.08091 no Ca ii Na i
J044117-431343 HE 0439-4319 0.10114 yes Ca ii, Na i
J095456+174331 PKS 0952+179 0.23782 yes Ca ii, Mg ii, Fe ii
J012517-001828 PKS 0122-005 0.23864 no Ca ii, Mg ii
J235731-112539 PKS 2354-117 0.24763 yes Ca ii, Na i, Mg ii
J000344-232355 HE 0001-2340 0.27051 no Ca ii, Mg ii, Fe ii Na i
J142249-272756 PKS 1419-272 0.27563 yes Ca ii, Mg ii, Fe ii Na i
J042707-130253 PKS 0424-131 0.28929 no Ca ii, Mg ii, Fe ii
J113007-144927 PKS 1127-145 0.31273 yes Ca ii, Mg ii, Fe ii
J102837-010027 B 1026-0045B 0.32427 no Ca ii, Mg ii, Fe ii
J231359-370446 PKS 2311-373 0.33980 no Ca ii, Mg ii, Fe ii
J110325-264515 PG 1101-264 0.35896 no Ca ii, Na i, Mg ii, Fe ii
J094253-110426 HE 0940-1050 0.39098 no Ca ii, Mg ii, Fe ii
J121140+103002 B 1209+1046 0.39293 no Ca ii, Mg ii, Fe ii
J123200-022404 PKS 1229-021 0.39498 yes Ca ii, Mg ii, Fe ii
J050112-015914 PKS 0458-020 0.40310 no Ca ii, Mg ii Na i
J224752-123719 PKS 2245-128 0.40968 no Ca ii, Mg ii, Fe ii
J220743-534633 PKS 2204-540 0.43720 yes Ca ii, Mg ii, Fe ii Na i
J044117-431343 HE 0439-4319 0.44075 no Ca ii, Mg ii Na i
J144653+011356 B 1444+0126 0.44402 no Ca ii, Mg ii, Fe ii
J045608-215909 HE 0454-2203 0.47439 no Ca ii, Fe ii

Notes. 

(a)

Bias flag indicates whether the observations were targeted observations (see Sect 3.2).

(b)

Only absorption by Ca ii, Mg ii, Fe ii, and Na i is considered in this study.

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