อ้างอิง ของ พาร์เซก

  1. ↑ Benedict, G. F.; และคณะ. "Astrometric Stability and Precision of Fine Guidance Sensor #3: The Parallax and Proper Motion of Proxima Centauri" (PDF). Proceedings of the HST Calibration Workshop. pp. 380–384. สืบค้นเมื่อ 11 July 2007.
  2. ↑ International Astronomical Union, ed. (31 August 2012), "RESOLUTION B2 on the re-definition of the astronomical unit of length" (PDF), RESOLUTION B2, Beijing: International Astronomical Union, The XXVIII General Assembly of International Astronomical Union recommends [adopted] that the astronomical unit be redefined to be a conventional unit of length equal to exactly 149,597,870,700 เมตร, in agreement with the value adopted in IAU 2009 Resolution B2