Table 3
Details of the available mm–cm band data for the sample stars.
| ID | SIMBAD ID | ALMA obs. frequency | Other bands | Refs | β |
|---|---|---|---|---|---|
| (GHz) | Array: (GHz) | ||||
| A | Alf CMa | 94, 106, 144,156 196, 210 | VLA: 33, 45; GBT: 90 | 11 | 1.8* |
| B | Alf PsA | 233, 344 | – | 9 | 2.07* |
| C | Gam Vir A | 233, 344 | – | 1 | 1.87* |
| D | Gam Vir B | 233, 344 | – | 1 | 1.87* |
| E | Eta Crv | 341 | – | 10 | – |
| F | Gam Lep | 232, 345 | – | 1 | 1.87* |
| G | Alf Cen A | 98, 145, 233, 344, 405, 679 | ATCA: 17 | 3, 4 | 1.763 |
| H | 61 Vir | 341 | – | 2 | – |
| I | Alf Cen B | 98, 145, 233, 344, 405, 679 | ATCA: 17 | 3, 4 | 1.713 |
| J | Eps Eri | 228 | VLA: 6, 10, 15, 33; ATCA: 44 | 5, 6 7, 8 | – |
| K | GJ 2006 A | 341 | – | – | – |
| L | Proxima Cen | 233 | – | 12 | – |
| S | Sun | 92–108, (190–206), 229–249, (339–355) | VLA: 10; NoRH: 17, 34 | 13, 14 | – |
Notes. Columns 3 and 4: the frequencies at which significant stellar detections were made so far in mm–cm band. Column 5: references to publications that reported the data. Column 6: the ALMA band spectral index either derived from JVO images or reported in the literature. The spectral index β is given for stars for which reliable flux values are available for more than one frequency in 10–1000 GHz. β is not provided for the Sun because a single value cannot be defined for the solar mm–cm spectrum.
References. 1: White et al. (2020), 2: Marino et al. (2017a), 3: Liseau (2019), 4: Trigilio et al. (2018), 5: Rodríguez et al. (2019), 6: Bastian et al. (2018), 7: MacGregor et al. (2015), 8: Booth et al. (2017), 9: Su et al. (2016), 10: Marino et al. (2017b), 11: White et al. (2019), 12: MacGregor et al. (2018), 13: White et al. (2017b), 14: White (2004).
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