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Table 1.
Main properties of model accretion outbursts compared to the HMYSOs observed so far.
| Object/Model | Mass | Burst duration (2%/10%) | Rise time | Ṁpeak | Accreted mass |
|---|---|---|---|---|---|
| (M⊙) | (yr) | (yr) | (M⊙ yr−1) | (MJ) | |
| Thermal Instability (TI) | 15 | 200/88 | 60 | 1.1 × 10−4 | 4.3 |
| MRI activation | 15 | 4500/1150 | 50 | 1.2 × 10−4 | 103 |
| Planet Disruption (PD) | 15 | 7.9/1.3 | 0.3 | 5 × 10−3 | 1.84 |
| S255IR NIRS 3( † ) | 20 | 2 − 2.5 | 0.4 | 5 × 10−3 | 2 |
| NGC 6334I MM1( * ) | 20 | > 6 | 0.62 |
10−3 | 0.325 |
| G358.93−0.03 MM1( ‡ ) | 9.7 |
0.75 | 0.16 |
 |
0.566 |
Notes. Burst durations in our models are calculated at vertical distances equal to 2% and 10% of the burst prominence.
References. ( † )Caratti o Garatti et al. (2017), ( * )Hunter et al. (2017), ( ‡ )Stecklum et al. (2021).
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