Table 3
Mean fundamental parameters of R Peg.
| Parameter | Value | Ref. |
|---|---|---|
| Period (d) | 377 | 1 |
| Distance (pc) | 353 |
2 |
| Interstellar extinction (AV) | 0.20 | 3 |
| Bolometric flux (10−9 W m −2) | 1.08 ± 0.05 | 4 |
| Rosseland angular diameter (mas) | 9.24 ± 0.09 | 5 |
| Rosseland radius (R⊙) | 351 |
6 |
| Effective temperature (K) | 2480 ± 40 | 7 |
| Luminosity ( logL∕L⊙) | 3.62 ± 0.12 | 8 |
| Mass (M⊙) | 1.0 ± 0.3 | 9 |
| Surface gravity ( logg) | –0.65 ± 0.24 | 10 |
Notes. 1: Analysis of the AAVSO/AFOEV lightcurve, see Sect. 2 and Fig. A.1; 2: Based on the parallax from Gaia DR 2, see Sect. 2; 3: Whitelock et al. (2008); 4: integrated photometry, see Sect. 3.2; 5: this work, mean continuum angular radius from Table 2; 6: calculated from 2 and 5; 7: calculated from 4 and 5; 8: calculated from 2 and 4; 9: assumed mass for an oxygen-rich Mira; 10: calculated from 6 and 9.
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