Table 1.
Parameter | units | value | uncertainty |
---|---|---|---|
Orbital period | days | 0.089 778 006 5 | 0.000 000 002 4 |
Binary inclination | degrees | 89.7 | 0.2 |
Binary separation | R⊙ | 0.711 | 0.003 |
Mass ratio | Msd / MWD | 0.335 | 0.002 |
Centre of WD eclipse | MJD(BTDB) | 58074.107 683 0 | 0.000 008 7 |
Gaia parallax | mas | 1.89 | 0.46 |
Bayesian distance23 | pc | 541 | -124 +216 |
Right ascension | deg | 358.85133 | |
Declination | deg | 4.81539 | |
SDSS g | mag | 19.59 | 0.01 |
WD Teff | K | 13,247 | 200 |
WD log g | dex | 7.680 | 0.075 |
WD cooling age | Gyr | 0.40 | 0.09 |
WD mass | M⊙ | 0.4477 | 0.0052 |
Ksd | kms–1 | 296.5 | 3.3 |
γsd | kms–1 | -117.7 | 2.7 |
sd Teff | K | 3,650 | 50 |
sd bolometric luminosity | L⊙ | 4.3×10–3 | 2.4 ×10–3 |
sd spectral sub-type | usdK7 | ±1 subclass | |
sd [Fe/H] abundance | dex | -1.55 | 0.25 |
sd mass | M⊙ | 0.1501 | 0.0017 |
sd radius (towards WD) | R⊙ | 0.1821 | 0.0007 |
sd volume-averaged radius | R⊙ | 0.1669 | 0.0007 |