Tham khảo Hệ_sao

  1. ↑ "Star system" in Modern Dictionary of Astronomy and Space Technology. A.S. Bhatia, ed. New Delhi: Deep & Deep Publications, 2005. ISBN 81-7629-741-0
  2. ↑ Are Proxima and α Centauri Gravitationally Bound?, Jeremy G. Wertheimer, Gregory Laughlin, Astronomical Journal 132, #5 (November 2006), pp. 1995–1997.
  3. ↑ Does triple star orbit directly affect orbit time, Jeremy Hien, Jon Shewarts, Astronomical News 132, #6 (November 2011)
  4. ↑ 4 Centauri, entry in the Multiple Star Catalog.
  5. ↑ The Binary Stars, R. G. Aitken, New York: Semi-Centennial Publications of the University of California, 1918.
  6. ↑ Vol. 1, part 1, p. 422, Almagestum Novum, Giovanni Battista Riccioli, Bononiae: Ex typographia haeredis Victorij Benatij, 1651.
  7. ↑ A New View of Mizar, Leos Ondra, accessed on line ngày 26 tháng 5 năm 2007.
  8. ↑ Castor A and Castor B resolved in a simultaneous Chandra and XMM-Newton observation, B. Stelzer and V. Burwitz, Astronomy and Astrophysics 402 (May 2003), pp. 719–728.
  9. ↑ ADS 9731: A new sextuple system, A. A. Tokovinin, N. I. Shatskii, and A. K. Magnitskii, Astronomy Letters, 24, #6 (November 1998), pp. 795–801.
  10. ↑ Nu Scorpii, entry in the Multiple Star Catalog.