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Table 1.

IRAM PdBI observations of Mrk 231.

Line(s) νrest νobs Date Conf. Clean beam rms (100 km s−1) Ref. Proj. ID
[GHz] [GHz] [″ × ″] [mJy beam−1]
(1) (2) (3) (4) (5) (6) (7) (8) (9)
CN(1–0) 113.4910 ( † ) 108.8987 ( † ) 2010 6C 2.8 × 2.6 0.47 This work UA26
CO(1–0) 115.2712 110.6069 2009–2010 6C/5D 3.2 × 2.8 0.25 Cicone et al. (2012) UA26,T02F
CO(2–1) 230.5380 221.2096 2010 6C/5D 1.3 × 1.0 0.79 Cicone et al. (2012) UB26
CO(3–2) 345.7960 331.8038 2012 6D 1.5 × 1.3 2.1 Feruglio et al. (2015) V087
HCN(1–0) ( ‡ ) 88.6319 85.0455 2011 6B 1.4 × 1.2 0.37 Aalto et al. (2012) U–D
HCN(2–1) 177.2610 170.0884 2012 5D 2.9 × 2.0 0.60 Lindberg et al. (2016) W028
HCN(3–2) 265.8862 255.1275 2012–2013 6A/6B 0.4 × 0.3 0.54 Aalto et al. (2015) V086,WA85

Notes. (1) Molecular transition; (2) rest frequency; (3) observed (sky) frequency; (4) observing dates; (5) configuration of the interferometer; (6) synthesised beam size achieved after cleaning with natural weighting by using a support encompassing the 3σ contour levels; (7) 1σ rms per beam calculated in channels of Δv = 100 km s−1; (8) relevant references; (9) identification code of the observing programme. ( † )Central frequency of the J = 3/2−1/2 spingroup (i.e. the brightest component of the CN(1–0) doublet); ( ‡ )these observations also include the HCO+(1–0), HNC(1–0), and HC3N(10–9) transitions (see Fig. 2).

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