Asymmetric Drift ·
Why Old Stars Lag
un
seel
.com · galactic rotation · velocity dispersion · Strömberg 1946
Circular speed
235 km/s
Lag v
a
0 km/s
Population
—
Cold young stars (σ≈15)
Hot old stars (σ≈60)
Circular-speed reference
Local Standard of Rest
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.com · Asymmetric Drift