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Table 2.
Parameters from the uniform circular disk fits to the VLA calibrated visibilities and brightness temperature values.
| Frequency | Wavelength | Flux density | Spectral index | Modeled diameter | Brightness temperature |
|---|---|---|---|---|---|
| (GHz) | (cm) | (mJy) | (mas) | (K) | |
| 3 | 10.0 | 1.56 ± 0.01 | 0.86 ± 0.03 | 430.7 ± 9.1 | 1647 ± 110 |
| 5 | 6.0 | 2.34 ± 0.01 | 0.86 ± 0.04 | 298.9 ± 5.2 | 1849 ± 113 |
| 7 | 4.3 | 3.07 ± 0.01 | 0.94 ± 0.03 | 223.2 ± 2.2 | 2215 ± 120 |
| 9 | 3.3 | 4.10 ± 0.01 | 1.08 ± 0.03 | 177.6 ± 1.7 | 2825 ± 152 |
| 11 | 2.7 | 4.97 ± 0.02 | 1.10 ± 0.04 | 155.4 ± 1.3 | 2997 ± 156 |
| 13.5 | 2.2 | 6.10 ± 0.02 | 1.35 ± 0.02 | 128.9 ± 0.6 | 3546 ± 181 |
| 16.5 | 1.7 | 7.74 ± 0.02 | 1.26 ± 0.03 | 117.8 ± 0.4 | 3609 ± 183 |
| 22 | 1.4 | 10.57 ± 0.02 | 1.31 ± 0.01 | 100.9 ± 0.1 | 3777 ± 567 |
| 33 | 0.9 | 19.59 ± 0.02 | 1.05 ± 0.01 | 92.1 ± 0.1 | 3736 ± 560 |
| 44 | 0.7 | 26.86 ± 0.10 | 1.44 ± 0.06 | 80.5 ± 0.4 | 3772 ± 567 |
Notes. The errors on the flux density, spectral index, and diameter are the fitting errors. The errors on the brightness temperature contain the systematic error on the flux density.
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