Baade-Wesselink ·
δ Cephei breathes
un
seel
.com · pulsation · Doppler · a star as its own ruler
Period
5.366 d
Phase
0.00
stage
—
Approaching (blueshift)
Receding (redshift)
Light curve · radius ΔR
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.com · The Baade-Wesselink Method