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Table 1.
Predicted and observed parameters of FN Sgr.
| Parameter | Observed | Predicted |
|---|---|---|
| Inclination (°) | ≳78 | |
| Orbital period (d) | 567.3 ± 0.3 | 567.31 |
| Separation (R⊙) | 358 ± 19 | 359.52 |
| Mass transfer rate (10−8M∗ < 106 M⊙ yr−1) | 2.6 − 5.2 | 4.44 |
| RG radius (R⊙) |
 |
145.96 |
| RG mass (M∗ < 106 M⊙) | 1.33 ± 0.24 | 1.331 |
| RG Roche-lobe filling factor | ≳0.90 | 0.906 |
| WD mass (M∗ < 106 M⊙) | 0.60 ± 0.09 | 0.606 |
| WD age (Gyr) | 2.883 |
Notes. All observed parameters have been recalculated using the observational data from Brandi et al. (2005), except the orbital period which is from Magdolen et al. (2023).
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