A NEW CLASS OF NASCENT ECLIPSING BINARIES WITH EXTREME MASS RATIOS
A NEW CLASS OF NASCENT ECLIPSING BINARIES WITH EXTREME MASS RATIOS
Early B-type main-sequence (MS) stars (M1 ≈ 5–16 M☉) with closely orbiting low-mass stellar companions (q = M2/M1 < 0.25) can evolve to produce Type Ia supernovae, low-mass X-ray binaries, and millisecond pulsars. However, the formation mechanism and intrinsic frequency of such close extreme mass-ratio binaries have been debated, especially …