Table 1
The sample.
| Object | RA(2000) | Dec(2000) | z SDSS | D L | t exp | ν obs | T sys | rms | |||
| Mpc | h | GHz | K | mK | |||||||
|
|
|||||||||||
| SDSS J0903+02 | 09:03:07.84 | +02:11:52.2 | 0.3290 | 1716 | 2.6 | 86.74 | 101 | 0.60 | |||
| SDSS J1337-01 | 13:37:35.02 | –01:28:15.7 | 0.3282 | 1711 | 5.5 | 86.79 | 88 | 0.27 | |||
| SDSS J1520-01 | 15:20:19.75 | –01:36:11.2 | 0.3070 | 1583 | 4.4 | 88.20 | 93 | 0.39 | |||
| SDSS J1543-00 | 15:43:37.82 | –00:44:19.9 | 0.3107 | 1605 | 7.1 | 87.95 | 91 | 0.25 | |||
Notes. zSDSS is the optical redshift derived from the [O III]λ5007 line using the SDSS spectra. DL is the luminosity distance in Mpc. texp gives the total exposure time per source including calibrations. νobs is the observed frequency of the CO(1–0) transition and rms is the noise determined from channels with 16 MHz (~50 km s-1) spectral resolution in mK.
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