Analysis of information sources in references of the Wikipedia article "Parsec" in English language version.
[paragraph 14, page 342] Taking the unit of distance R* to be that corresponding to a parallax of 1″·0 [… Footnote:]
* There is need for a name for this unit of distance. Mr. Charlier has suggested Siriometer, but if the violence to the Greek language can be overlooked, the word Astron might be adopted. Professor Turner suggests Parsec, which may be taken as an abbreviated form of "a distance corresponding to a parallax of one second".
[paragraph 14, page 342] Taking the unit of distance R* to be that corresponding to a parallax of 1″·0 [… Footnote:]
* There is need for a name for this unit of distance. Mr. Charlier has suggested Siriometer, but if the violence to the Greek language can be overlooked, the word Astron might be adopted. Professor Turner suggests Parsec, which may be taken as an abbreviated form of "a distance corresponding to a parallax of one second".
The XXVIII General Assembly of the International Astronomical Union recommends [adopted] that the astronomical unit be redefined to be a conventional unit of length equal to exactly 149597870700 m, in agreement with the value adopted in IAU 2009 Resolution B2
The XXIX General Assembly of the International Astronomical Union notes [4] that the parsec is defined as exactly (648 000/) au per the AU definition in IAU 2012 Resolution B2