CHIME J1634+44 / ILT J163430+445010

Parameter Value Confidence Frequency band Reference
Progenitor NS? Dong et al. (2025, preprint)
Progenitor WD+__? Bloot et al. (2025)
Declination (°) 44:50:10 ± 2″ Bloot et al. (2025)
Declination (°) 44:50:13.5 ± 1.1″ Dong et al. (2025, preprint)
Dispersion measure (pc cm⁻³) 22.5 ± 5.5 pc cm⁻³ Bloot et al. (2025)
Distance (kpc) 1.0 - 4.2 kpc Bloot et al. (2025)
Effective temperature (K) (primary) 15000 - 33000 K Bloot et al. (2025)
Flux density (mJy) < 383 ± 52 mJy Bloot et al. (2025)
Mass (M) (primary) > 0.78 M Bloot et al. (2025)
Orbit: period (d) 0.024341550 ± 2.3E-8 d Bloot et al. (2025)
PEPOCH (d) 60366 d Dong et al. (2025, preprint)
Period (s) 841.24808 ± 0.00015 s Bloot et al. (2025)
Period (s) 841.245895 ± 0.000006 s Dong et al. (2025, preprint)
Period derivative (-9 ± 3) × 10-12 Bloot et al. (2025)
Period derivative (-9.03 ± 0.11) × 10-12 Dong et al. (2025, preprint)
Pulse width (s) < 10 s Bloot et al. (2025)
Right ascension (°) 16:34:30 ± 2 s Bloot et al. (2025)
Right ascension (°) 16:34:30.0 s Dong et al. (2025, preprint)
Rotation measure (rad m⁻²) 6.27 ± 0.04 rad m⁻² Bloot et al. (2025)
Spectral type (secondary) ≳ M7 Bloot et al. (2025)