An HST/COS legacy survey of high-velocity ultraviolet absorption in the Milky Way’s circumgalactic medium and the Local Group

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Volume 607 (November 2017)

A&A, 607 (2017) A48

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Table A.2

Summary of HVC absorption-line measurements.

No.	QSO (COS name)	Ion	λ₀	S/N ^a	v_min	v_max	W _λ ^b	ΔW_λ	log N^c	Δ(log N)
			[Å]		[km s^-1]	[km s^-1]	[mÅ]	[mÅ]

1	J142947.03+064334.9	CII	1334.5	6	–155	–100	145	27	>14.03
2	J142947.03+064334.9	CIV	1548.2	6	–165	–99	123	35	13.77	0.13
3	J142947.03+064334.9	CIV	1550.8	6	–131	–100	42	22	13.55	0.16
4	J142947.03+064334.9	SiII	1190.4	5	–133	–103	50	19	13.17	0.20
5	J142947.03+064334.9	SiII	1193.3	5	–149	–100	94	26	>13.32
6	J142947.03+064334.9	SiII	1260.4	6	–155	–100	124	23	>13.15
7	J142947.03+064334.9	SiII	1526.7	5	–142	–99	59	32	13.64	0.26
8	J142947.03+064334.9	SiIII	1206.5	4	–167	–99	122	39	>12.81

9	PKS2005-489	CII	1334.5	24	101	202	125	11	13.89	0.06
10	PKS2005-489	CIV	1548.2	18	101	167	91	13	13.50	0.10
11	PKS2005-489	SiII	1193.3	25	101	187	68	9	13.11	0.08
12	PKS2005-489	SiII	1260.4	34	99	206	123	8	13.07	0.04
13	PKS2005-489	SiIII	1206.5	25	101	203	143	9	13.00	0.06

14	LBQS-1435-0134	CII	1334.5	31	–136	–100	57	4	13.59	0.07
15	LBQS-1435-0134	CIV	1548.2	35	–183	–100	118	8	13.58	0.05
16	LBQS-1435-0134	SiII	1190.4	32	–121	–100
17	LBQS-1435-0134	SiII	1260.4	39	–156	–100	59	4	12.75	0.05
18	LBQS-1435-0134	SiIII	1206.5	35	–180	–100	49	6	12.44	0.07

Notes. Full version of Table A.2 is only available in electronic form at the CDS.

^(a)

S/N per resolution element.

^(b)

A “t” in front of the equivalent width indicates a tentative HVC detection.

^(c)

For each ion, the maximum value for N is adopted for the further column-density analysis (see Sect. 2.2).

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