Table 5
Comparison of stellar and debris disk properties between HD 117214 and HIP 79977.
| Parameter | HD 117214 | HIP 79977 | Refs. |
|---|---|---|---|
| Spectral type | F6V | F2/3V | 1, 2 |
| Stellar luminosity (L⊙) | 5.64 | 3.66 | 3 |
| Stellar mass (M⊙) | 1.6 | 1.5 | 3 |
| Disk IR excess | 2.53 × 10−3 | 5.21 × 10−3 | 3 |
| Disk radius (au) | 45 | 53–73 | 4, 5, 6 |
| Minimum grain size (a) (μm) | 1.5 | 1 | 3 |
Notes. (a) The quoted minimum grain size was estimated by Jang-Condell et al. (2015) assuming that (1) the dust is composed of amorphous olivine and pyroxene, and (2) the smallest dust grains are removed by radiation pressure from the system.
References. (1) Houk & Cowley (1975); (2) Houk & Smith-Moore (1988); (3) Jang-Condell et al. (2015); (4)this work; (5)Goebel et al. (2018); (6)Engler et al. (2017).
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