Table 1.
Properties of H I cubes for galaxies in the sample.
| Apertif name | Nobs | Noise | BMAJ × BMIN | BPA | spec. res. | |
|---|---|---|---|---|---|---|
| [mJy/beam] | [arcsec × arcsec] | [°] | [km s−1] | |||
| 1&2 | AHCJ020345.3+371444 | 10 | 0.78 | 27.0 × 13.8 | 2.6 | 8.05 |
| 3&4 | AHCJ133650.2+320534 | 1 | 1.09 | 28.5 × 14.0 | −2.6 | 7.73 |
| 5&6 | AHCJ101017.8+582856 | 2 | 1.11 | 20.9 × 15.9 | 0.6 | 7.99 |
| 7 | AHCJ133045.2+324548 | 1 | 3.0 | 28.6 × 14.1 | 0.4 | 7.73 |
| 8 | AHCJ133042.2+294735 | 1 | 1.4 | 31.2 × 14.4 | −1.4 | 7.73 |
| 9 | AHCJ133507.0+313118 | 1 | 1.05 | 28.5 × 14.0 | −2.6 | 7.73 |
| 10 | AHCJ133704.8+315336 | 1 | 1.14 | 28.5 × 14.0 | −2.6 | 7.73 |
| 11 | AHCJ101655.0+582325 | 2 | 0.79 | 20.9 × 15.9 | 0.6 | 7.99 |
| 12 | AHCJ130830.2+543756 | 2 | 1.55 | 19.4 × 14.3 | 0.4 | 8.69 |
| 13 | AHCJ135938.5+372631 | 1 | 1.42 | 27.0 × 14.2 | −4.8 | 7.73 |
| 14 | AHCJ220741.6+400853 | 2 | 1.17 | 37.4 × 24.4 | −1.2 | 8.42 |
| 15 | AHCJ220743.8+414343 | 2 | 1.09 | 37.4 × 24.4 | −1.2 | 8.42 |
| 16 | AHCJ223258.7+393853 | 2 | 1.03 | 34.3 × 20.3 | −0.1 | 10.38 |
| 17 | AHCJ223902.0+383211 | 2 | 1.14 | 34.3 × 20.3 | −0.1 | 10.38 |
| 18 | AHCJ221640.4+402424 | 2 | 0.85 | 26.4 × 16.6 | −1.1 | 8.42 |
| 19 | AHCJ221800.3+405946 | 2 | 0.75 | 26.4 × 16.6 | −1.1 | 8.42 |
| 20 | AHCJ222407.1+411511 | 2 | 0.93 | 26.4 × 16.6 | −1.1 | 8.42 |
| 21 | AHCJ131846.6+274359 | 2 | 2.29 | 46.5 × 20.4 | −0.4 | 9.05 |
| 22 | AHCJ133339.8+602315 | 2 | 1.86 | 20.7 × 16.6 | 4.4 | 10.97 |
| 23 | AHCJ222230.6+360028 | 2 | 0.98 | 25.9 × 14.5 | −2.7 | 8.57 |
| 24 | AHCJ224941.0+394852 | 2 | 0.93 | 24.3 × 14.1 | 0.1 | 7.75 |
Notes. The Apertif name is based on the position of the source corresponding to the right ascension and declination in J2000 as following: AHCJhhmmss.s+ddmmss. The first three rows correspond to detections containing a pair of galaxies, so we assign them two numbers in the leftmost column for easier correspondence between all tables in the paper. Nobs is the number of observations. Noise is the root mean square (rms) noise in the data cube. BMAJ and BMIN represent FWHM of major and minor axes of the synthesized beam, while BPA is the position angle of the beam. Spectral resolution is measured by summing in quadrature the channel width of Apertif observations with the standard deviation of relative shifts between spectral axes of observations taken at different times. We note that the channel width is the same for all cubes, and is equal to 7.73 km s−1.
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