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Table 1.

Observational conditions.

Object RA Dec zqso νobs(EMIR-band), transition Θbeam Tsys texp
J2000 J2000 [GHz] [″] [K] [h]
(1) (2) (3) (4) (5) (6) (7) (8)
PSJ0147+4630 01:47:10.15 46:30:42.5 2.377 102.40(E0), J = 3-2 24.1 75 11.0
SDSS J0924+0219 09:24:55.79 02:19:24.9 1.523 91.37(E0), J = 2-1 26.8 107 8.4
SDSS J1330+1810 13:30:18.65 18:10:32.9 1.393 96.34(E0), J = 2-1 25.5 91 18.8
H1413+117 14:15:46.24 11:29:43.4 2.56 97.13(E0), J = 3-2 25.3 82 5.5
J2145+6345 21:45:05.11 63:45:41.2 1.56 90.05(E0), J = 2-1 27.3 101 8.0

PMNJ0134-0931 01:34:35.66 -09:31:02.9 2.22 107.39(E0), J = 3-2 22.9 85 7.4
COSMOS5921+0638 09:59:21.77 02:06:38.3 3.14 83.53(E0), J = 3-2 29.4 119 8.7
SDSS J1004+4112 10:04:34.31 41:12:42.5 1.74 84.14(E0), J = 2-1 29.2 87 8.0
J1042+1641 10:42:22.11 16:41:15.3 2.517 98.80(E0), J = 3-2 24.8 88 5.3
HE1113-0641 11:16:23.53 -06:57:38.9 1.235 103.15(E0), J = 2-1 23.8 134 7.4
SDSS J1138+0314 11:38:03.73 03:14:57.8 2.44 100.43(E0), J = 3-2 24.4 105 11.5
HST14113+5211 14:11:19.61 52:11:29.7 2.811 90.74(E0), J = 3-2 27.1 93 10.6
B1422+231 14:24:38.09 22:56:00.6 3.62 74.85(E0), J = 3-2 32.8 92 11.5
SDSS J1433+6007 14:33:22.80 60:07:15.6 2.74 92.46(E0), J = 3-2 26.6 102 6.0
J1817+2729 18:17:30.85 27:29:40.1 3.07 84.96(E0), J = 3-2 28.9 95 7.6
B1933+503 19:34:30.90 50:25:23.2 2.64 95.05(E0), J = 3-2 25.8 119 3.2
SDSS J2222+2745 22:22:09.50 27:45:33.8 2.82 90.52(E0), J = 3-2 27.1 102 2.3

Notes. (1) Object name. (2) Right Ascension. (3) Declination. (4) Redshift. (5) Observing CO transition. (6) Beam size. (7) System temperature. (8) Total on-source exposure time. †: the redshift of J1042+1642 was reported as 2.25 by Stacey et al. (2022), while other observations, including X-ray, optical, and near-infrared spectra, all reported a redshift of about 2.52 (Matsuoka et al. 2018; Walton et al. 2022; Glikman et al. 2023). Therefore, we adopted 2.517 as the correct redshift measured from optical spectra of this object (Glikman et al. 2023).

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