Table 5.
Radio mass-loss rates in the C-band (2018) and in the two X-band epochs (2016/2018).
| Source | He/H (a) | v∞(a) | μ(b) | Ṁ2018 | Ṁ2016 | Ṁ2018 | ṀLang 2001 | ṀLang 2005 | ṀMartins 2008 |
|---|---|---|---|---|---|---|---|---|---|
| (#) | (km s−1) | (#) | 6.0 GHz | 10.0 GHz | 10.0 GHz | 8.5 GHz | 22.5 GHz (c) | IR K-band (d) | |
| AR1 | 0.2 | 1400 | 1.5 | 2.1 × 10−4 | 2.1 × 10−4 | 2.0 × 10−4 | 2.4 × 10−4 | 3.1 × 10−4 | 7.6 × 10−5 |
| AR2 | 1.0 | 1000 | 2.5 | 3.2 × 10−5 | 4.6 × 10−5 | 4.9 × 10−5 | 3.9 × 10−5 | 4.6 × 10−5 | 1.0 × 10−4 |
| AR3 | 0.1 | 1400 | 1.3 | 2.1 × 10−5 | 2.7 × 10−5 | 2.8 × 10−5 | 4.5 × 10−5 | 2.7 × 10−5 | 6.3 × 10−5 |
| AR4 | 0.3 | 1300 | 1.7 | 4.7 × 10−5 | 5.9 × 10−5 | 5.9 × 10−5 | 5.1 × 10−5 | 6.2 × 10−5 | 7.9 × 10−5 |
| AR5 | 0.4 | 1400 | 1.9 | 3.6 × 10−5 | 5.0 × 10−5 | 4.6 × 10−5 | 4.2 × 10−5 | 2.7 × 10−5 | 1.4 × 10−4 |
| AR6 | 0.1 | 2400 | 1.3 | 9.2 × 10−5 | 5.5 × 10−5 | 6.8 × 10−5 | 1.1 × 10−4 | 7.2 × 10−5 | |
| AR7 | 0.6 | 800 | 2.1 | 2.6 × 10−5 | 3.3 × 10−5 | 3.2 × 10−5 | 3.4 × 10−5 | 3.4 × 10−5 | 7.9 × 10−5 |
| AR8 | 0.8 | 900 | 2.3 | 3.0 × 10−5 | 3.7 × 10−5 | 3.4 × 10−5 | 3.2 × 10−5 | 3.3 × 10−5 | 7.3 × 10−5 |
| AR9 | 0.1 | 2150 | 1.3 | 5.9 × 10−5 | 2.0 × 10−5 | 5.1 × 10−5 | 4.1 × 10−5 | 1.4 × 10−5 | |
| AR10 | 0.35 | 1400 | 1.8 | 2.9 × 10−5 | 3.5 × 10−5 | 3.2 × 10−5 | 2.7 × 10−5 | 6.0 × 10−5 | |
| AR11 | 0.4 | 1400 | 1.9 | 1.4 × 10−5 | 1.9 × 10−5 | 2.1 × 10−5 | |||
| AR12 | 0.1 | 1400 | 1.3 | 1.4 × 10−5 | 1.3 × 10−5 | 3.2 × 10−5 | |||
| AR13 | 0.1 | 2600 | 1.3 | 6.3 × 10−5 | 4.8 × 10−5 | 6.0 × 10−6 | |||
| AR14 | 0.2 | 1500 | 1.5 | 1.4 × 10−5 | 2.1 × 10−5 | 1.4 × 10−5 | 5.7 × 10−5 | ||
| AR15 | 0.1 | 1800 | 1.3 | 2.1 × 10−5 | 4.9 × 10−5 | 2.4 × 10−5 | 5.4 × 10−5 | ||
| AR16 | 0.1 | 1400 | 1.3 | 9.0 × 10−6 | 2.5 × 10−5 | ||||
| AR17 | 0.4 | 1300 | 1.9 | 3.3 × 10−5 | 4.6 × 10−5 | 4.4 × 10−5 | |||
| AR18 | 0.4 | 1300 | 1.9 | 2.6 × 10−5 | 3.9 × 10−5 | 3.6 × 10−5 |
Notes. The typical logarithmic error is 0.2 dex on log Ṁ. It is shown a comparison to estimations made by Lang et al. from their 8.5 GHz observations (Lang et al. 2001) and their 22.5 GHz observations (Lang et al. 2005), both re-scaled for taking into account their assumed v∞ = 1000 km s−1, and a comparison to estimations made by Martins et al. (2008), also re-scaled considering their clumping factor value of 0.1. All mass-loss rates, Ṁ, are in units of M⊙ yr−1.
Wind parameters from Table 2 by Martins et al. (2008).
Derived from the 22.5 GHz flux density for AR1, AR2, AR4, AR7 and AR8 sources, and from the 8.5 GHz flux density for the others, as described in Table 5 by Lang et al. (2005).
Infrared K-band obtained with the integral field spectrograph SINFONI on the VLT by Martins et al. (2008). The typical error provided is ±0.2 dex on log Ṁ.
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