AR Scorpii

Parameter Value Confidence Frequency band Reference
Progenitor WD pulsar Marsh et al. (2016)
Binary mass function (M) 0.395 ± 0.016 M Marsh et al. (2016)
Distance (kpc) 0.116 ± 0.016 kpc Marsh et al. (2016)
Mass (M) (primary) > 0.81 M Marsh et al. (2016)
Mass (M) (primary) ≲ 1.29 M Marsh et al. (2016)
Mass (M) (secondary) > 0.28 M Marsh et al. (2016)
Mass (M) (secondary) ≲ 0.45 M Marsh et al. (2016)
Mass ratio > 0.35 Marsh et al. (2016)
Orbit: period (d) 0.14853528 ± 8E-8 d Marsh et al. (2016)
Orbit: radial-velocity semi-amplitude (km s⁻¹) (secondary) 295 ± 4 km s⁻¹ Marsh et al. (2016)
Orbit: reference epoch (d) 57264.09615 ± 0.00033 d Marsh et al. (2016)
Period (s) 117 ± 1 s Marsh et al. (2016)
Period derivative (3.9 ± 0.5) × 10-13 Marsh et al. (2016)
Spectral type (secondary) M5 Marsh et al. (2016)