Tue December 02 2025

POPCORN: Is the donor star on the MS or the AGB?

Explanation of the figures

The plots are shown in the case of conservative mass transfer. The different types of star (when the primary fills its Roche lobe) are highlighted.

Data

Red = All systems

Green = MS

Blue = HG

Pink = GB

Light blue = CHeB

Yellow = E-AGB

Black = TP-AGB

♠ Conservative ♠

Unbinned data

Systems that form (minimum) 1 WD

ZAMS	Moment of first WD
M1 vs M2	Mwd1 vs Mcomp
M1 vs a	Mwd1 vs a

Systems that form 2 WDs

ZAMS	Moment of first WD	Moment of second WD
M1 vs M2	Mwd1 vs Mcomp	Mwd1 vs Mcomp
M1 vs a	Mwd1 vs a	Mwd1 vs a

⇒ Percentages of the different groups

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