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Table 3.

IRAM observations summary.

PHz Planck N. targets
N. at
ID ID observed detected (a) similar z(b)
57 G176 5 2 2
70 G223 1 0 ...
237 G173 1 1 ...
343 G162 1 0 ...
631 G006 1 1 ...
712 G237 (c) 2 2 0
832 G191 9 3(4) 2(3)
1473 G088 1 0 ...
124051 G059 2 2 2
124052 G073 (d) 2 2 0
124053 G124 4 4(5) 2(3)
125002 G072 1 0 ...
125018 G112 1 1 ...
125026 G143 1 1 ...
125027 G131 2 2 0
125056 G052 2 1 ...
125107 G068 1 1 ...
125132 G063 1 1(2) ...

All 38 24(27) 8(10)

Notes.

(a)

We list in parentheses the number of CO detections at distinct redshifts. In three cases, we find two objects at different redshifts associated with the same SPIRE target, G191 07, G124 01, and G063 02.

(b)

We consider two redshift measurements similar if ∣Δz ∣ /(1 + ⟨z⟩) < 0.02.

(c)

The field G237 contains a spectroscopically confirmed protocluster at the redshift of one of the two CO-detected sources (Polletta et al. 2021; Koyama et al. 2021).

(d)

ALMA observations of both targets in G073 yielded continuum detections of five sources (three in G073 03, and two in G073 15), and a CO(3–2) line detection at z ∼ 1.51 − 1.54 in three of them (Kneissl et al. 2019; Hill, priv. comm.). Our EMIR observations detected only one CO line at these redshifts (see Kneissl et al. 2019), and one at a different redshift in G073 15.

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