Table 1
Photometry and stellar parameters of the PDS 70 system used in this study.
| Parameter | Value |
|---|---|
| V | 12.233 ± 0.123 maga |
| J | 9.553 ± 0.024 magb |
| H | 8.823 ± 0.04 magb |
| K | 8.542 ± 0.023 magb |
| L′ | 7.913 ± 0.03 magc |
| Distance | 113.43 ± 0.52 pcd |
| μα × cos(δ) | –29.66 ± 0.07 mas/yrd |
| μδ | –23.82 ± 0.06 mas/yrd |
| Spectral type | K7e |
| Teff | 3972 ± 36 Ke |
| Radius | 1.26 ± 0.15 R⊙ f |
| Luminosity | 0.35 ± 0.09 L⊙ f |
| Mass | 0.76 ± 0.02 M⊙ g |
| Age | 5.4 ± 1.0 Myrg |
| Visual extinction AV | 0.05  magg |
Notes. (a) Henden et al. (2015); (b)Cutri et al. (2003); (c)L′-band magnitude obtained by logarithmic interpolation between the WISE W1- and W2-band magnitudes from Cutri & et al. (2014); (d) Gaia Collaboration (2016, 2018); (e) Pecaut & Mamajek (2016); (f) derived from Pecaut & Mamajek (2016), scaled to a distance of 113.43 pc; (g)Müller et al. (2018).
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