Table 3
Comparison of the two Brγ doublet detections with SINFONI and ERIS in 2014 and 2023, respectively.
| Year | Brγblue [μm] | LOSblue [km/s] | Brγred [μm] | LOSred [km/s] | ∆ν [μm] | ∆v [km/s] |
|---|---|---|---|---|---|---|
| 2014 | 2.1650 | −152.34 | 2.1665 | 55.39 | 0.0015 | 207.73 |
| 2023 | 2.1643 | −249.29 | 2.1658 | −41.54 | 0.0015 | 207.75 |
Notes. For both epochs, the doublet is 207 km/s apart, suggesting that the origin of the two emission lines is associated with X3. We list the related LOS velocity of the measured Doppler-shifted peak wavelength. As reported, the Brγ emission lines might be related to outflows of the massive YSO (Peißker et al. 2023b).
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