Image Details
Caption: Figure 13.
APEX/Z-spec spectrum of SPT 2134-50 showing 2σ–3σ detections of the CO(7–6) and CO(8–7) lines confirming the single ALMA line as CO(3–2) at z = 2.779. Dashed lines mark the expected frequencies of CO and H 2O features. The combined significance of the lines detections is 5.6σ.
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