Table 2.
Image parameters and the estimated brightness temperatures of VIK J2318−3113.
| ν | Speak | Smodel | σ | θcomp | Bmaj | Bmin | BPA | TB |
|---|---|---|---|---|---|---|---|---|
| (GHz) | (mJy bm−1) | (mJy) | (mJy bm−1) | (mas) | (mas) | (mas) | (°) | (×108 K) |
| 1.57 | 0.48 ± 0.05 | 0.55 ± 0.07 | 0.039 | 2.3 ± 0.7 | 14.6 | 4.6 | 0.3 | 4.0 ± 1.7 |
| 4.74 | < 0.13 | ... | 0.026 | ≤1.2 | 4.8 | 1.6 | −0.3 | ≥0.4 |
Notes. Column (1): Observing frequency; Col. (2): Peak intensity of the image; Col. (3): Total flux density of the fitted model component of the emitting region; Col. (4): rms noise of the image background; Col. (5): FWHM size of the fitted component; Cols. (6)–(7): FWHM size along the major and minor axis of the restoring beam; Col. (8): Position angle of the beam major axis, measured from north to east; Col. (9): Estimated brightness temperature of the fitted component based on Eq. (1). When the fitted size is an upper limit, then the brightness temperature could be a lower limit (if the flux density at 4.7 GHz equals its upper limit).
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