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Table 2
VLA observations of Pollux.
| Date | Band | Center | Bandwidth | Time on | Restoring | Flux | Brightness | ||
| frequency | source | beam HPBW | density | temperature | |||||
| (GHz) | (GHz) | (min) | (″×″) | (μJy) | (K) | ||||
|
|
|||||||||
| 2012 Oct. 14 | K | 21.2 | 2.0 | 32 | 0.092 × 0.085 | 150 ± 21 | 9300 ± 1300 | ||
| 2013 Jan. 01 | X | 9.0 | 2.0 | 17 | 0.381 × 0.218 | 43 ± 8 | 14 800 ± 2800 | ||
| 2013 Jan. 01 | S | 3.0 | 2.0 | 17 | 1.194 × 0.534 | <23 | <71 000 | ||
Notes. The brightness temperatures are calculated from Eq. (1), where we have assumed that the stellar diameter is equal to the optical diameter and that the star is a uniform disk.
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