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Table 1.
Properties of studied sources.
| Source | Coordinates (J2000) |
D | υhelio | Tc(a) | |
|---|---|---|---|---|---|
| α [hh:mm:ss] | δ [dd:mm:ss] | [Mpc] | [km s−1] | [K] | |
| Arp 220 | 15:34:57.20 | +23:30:11.00 | 72.0 | 5434.0 | 0.05 |
| NGC 253 | 00:47:32.98 | −25:17:15.90 | 3.0 | 243.0 | 0.21 |
| NGC 4945 | 13:05:27.48 | −49:28:05.60 | 3.8 | 585.0 | 0.54 |
Notes.
(a)
Main-beam brightness temperature of the continuum at 617 GHz as measured using the SEPIA660 receiver with a HPBW of 
and a Jy-to-K conversion factor of 70 ± 6.
References. Distances are taken from the NASA Extragalactic Database (NED) at https://ned.ipac.caltech.edu.
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