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Status: STD 2005/06/07
Code: 172
Symbol: pc
EQ label: LENGTH
Quantities associated with this Unit

Quantity: length
Concept definition: The distance at which 1 astronomical unit subtends an angle of 1 second of arc.
1 pc = 206 264,8 AU = 30,856 78 x 1015 m (approximately).
Reference type: PR
Reference: [ISO 80000-3:2006, item 3-1.C.c]
Supplemental references:  

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