Exploring quasar evolution with proximate molecular absorbers: Insights from the kinematics of highly ionized nitrogen

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Volume 694 (February 2025)

A&A, 694 (2025) A294

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Table 1.

Quasar sample and N V-detection summary.

Quasar	RA (J2000)	Dec (J2000)	z_sys^(a)	z₅₀^(b)	N V
J0015+1842	00:15:14.82	18:42:12.34	2.6310	2.6288	yes
J0019−0137	00:19:30.55	−01:37:08.46	2.5217	2.5281	yes
J0059+1124	00:59:17.64	11:24:07.70	3.0369	3.0342	yes
J0125−0129	01:25:55.11	−01:29:25.00	2.6534	2.6636	no
J0136+0440	01:36:44.02	04:40:39.10	2.7849	2.7796	yes
J0858+1749	08:58:59.67	17:49:25.19	2.6478	2.6254	no
J1236+0010	12:36:02.11	00:10:24.54	3.0284	3.0328	yes
J1248+0639	12:48:29.51	06:39:35.62	2.5273	2.5292	yes
J1259+0309	12:59:17.31	03:09:22.51	3.2365	3.2461	no
J1331+0206	13:31:11.41	02:06:09.06	2.9147	2.9220	yes
J1358+1410	13:58:08.94	14:10:53.29	2.8926	2.8925	yes
J2228−0221	22:28:07.36	−02:21:17.17	2.7705	2.7690	yes
J2325+1539	23:25:06.62	15:39:29.31	2.6072	2.6167	no

Notes.

^(a)

Systemic redshift derived from the quasar emission lines (see N23).

^(b)

Centroid of the neutral gas defined as the redshift where the cumulative optical depth of low-ionization species reaches 50% of its maximum value.

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