อ้างอิง ของ อัลฟา ซีฟิอัส

  1. 1 2 3 "SIMBAD query result: NAME ALDERAMIN -- Variable Star". Centre de Données astronomiques de Strasbourg. สืบค้นเมื่อ 2010-12-20.
  2. 1 2 3 4 5 van Leeuwen, F (2007). "Hipparcos, the New Reduction". Astronomy and Astrophysics. Centre de Données astronomiques de Strasbourg. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357. สืบค้นเมื่อ 2010-12-19. Unknown parameter |month= ignored (help); More than one of |work= และ |journal= specified (help)
  3. 1 2 Mermilliod, J.-C. (1986). "Compilation of Eggen's UBV data, transformed to UBV (unpublished)". Catalogue of Eggen's UBV data. Bibcode:1986EgUBV........0M. Unknown parameter |origin= ignored (help)
  4. 1 2 Pizzolato, N.; Maggio, A.; Sciortino, S. (2000), "Evolution of X-ray activity of 1-3 Msun late-type stars in early post-main-sequence phases", Astronomy and Astrophysics, 361: 614–628, Bibcode:2000A&A...361..614P Unknown parameter |month= ignored (help)
  5. 1 2 3 4 Malagnini, M. L.; Morossi, C. (1990), "Accurate absolute luminosities, effective temperatures, radii, masses and surface gravities for a selected sample of field stars", Astronomy and Astrophysics Supplement Series, 85 (3): 1015–1019, Bibcode:1990A&AS...85.1015M Unknown parameter |month= ignored (help)
  6. "Bright Star Catalogue, 5th Revised Ed. (Hoffleit+, 1991)". VizieR. Centre de Données astronomiques de Strasbourg. สืบค้นเมื่อ 2010-12-20.

แหล่งที่มา

WikiPedia: อัลฟา ซีฟิอัส http://www.crystalinks.com/precession.html http://stars.astro.illinois.edu/sow/alderamin.html http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=... http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+... http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HIP%20... http://vizier.u-strasbg.fr/viz-bin/VizieR-S?HR%208... http://www-istp.gsfc.nasa.gov/stargaze/Sprecess.ht... //arxiv.org/abs/0708.1752 //doi.org/10.1051%2F0004-6361:20078357 http://www.wikisky.org/?ra=21.309666666667&de=62.5...