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Table 1

Existing line surveys of IRC +10216.

Covered frequencies Telescope Reference

IRC +10216

4–6 GHz Arecibo Araya et al. (2003)
17.8–26.3 GHz Effelsberg-100 m This work
28–50 GHz Nobeyama-45 m Kawaguchi et al. (1995)
72–91 GHz Onsala-20 m Johansson et al. (1984, 1985)
129–172.5 GHz IRAM-30 m Cernicharo et al. (2000)
131.2–160.3 GHz ARO-12 m He et al. (2008)
215–285 GHz SMT-10 m Tenenbaum et al. (2010)
219.5–245.5 GHz and 251.5–267.5 GHz SMT-10 m He et al. (2008)
293.9–354.8 GHz SMA Patel et al. (2011)
330–358 GHz CSO-10 m Groesbeck et al. (1994)
222.4–267.9 GHz and 339.6–364.6 GHz1 JCMT-15 m Avery et al. (1992)
554.5–636.5 GHz Herschel/HIFI Cernicharo et al. (2010)

Notes.

(1)

Note that the frequency range from 222.4 GHz to 267.9 GHz was discontinuously covered.

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