Table 1
Stellar and disk properties of the HD 100453 system.
| Parameter | Value | Reference |
|---|---|---|
| HD 100453 (A) | ||
| Spectral type | A9 - F0 | (1) |
| Mass | 1.6 ± 0.05 M⊙ | (1) |
| Radius | 1.58 ± 0.06 R⊙ | (1) |
| Teff | 7250 ±125 K | (1) |
| Age | 6.5-19.2 Myr | (1), (2) |
| Distance | 103.61 ± 0.24 pc | (1) |
| Luminosity | 6.2 ± 0.14 L⊙ | (1) |
| Companion (B) | ||
| Spectral type | M4.0V - M4.5V | (3) |
| Mass | 0.18 ± 0.03 M⊙ | (3) |
| Age | 8-12 Myr | (3) |
| Projected separation a | 1.05" (~109 au) | (3) |
| Disk(s) | ||
| Inclination (outer) | 38° | (4) |
| Position angle (outer)b | 142° | (4) |
| Inclination (inner) | 48.7°-46.1° | (5), (6) |
| Position angle (inner)b | 80.8°-81.6° | (5), (6) |
| Asym. angle (inner, K band)b | −106° ± 4° | (6) |
| Hypothesised planet | ||
| Mass (theory) | ≤5MJup | (7) |
| Mass (non-detection) | ≤50MJup | (8) |
| Estimated distance | 15-20 au | (7) |
| Estimated period | 45-72 yr | |
Notes. (a)Outside L band AT field of view, pinhole = 1.5λ/D ≈ 0.60". (b)All angles are defined as north to east. (1) Guzmán-Díaz et al. (2021); (2) Vioque et al. (2018); (3) Collins et al. (2009); (4) Benisty et al. (2017); (5) Lazareff et al. (2017); (6) Bohn et al. (2022); (7) Nealon et al. (2020); (8) Stolker et al. (2024).
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