Proper Motion ·
Drifting Star
un
seel
.com · arcsec/yr · transverse velocity · v_t = 4.74·μ·d
Year
0
μ
10.36 arcsec/yr
Step
—
Nearby star (drifting)
Distant background stars
Proper-motion track
Annual parallax wobble
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seel
.com · Proper Motion