Liên quan Zeta Zeta Sagittarii Zeta Ophiuchi Zeta Crateris Zeta Arietis Zeta Herculis Zeta Hydri Zeta Reticuli Zeta Puppis Zeta Ursae Majoris
Tài liệu tham khảo WikiPedia: Zeta Orionis http://www.solstation.com/x-objects/alnitak3.htm http://adsabs.harvard.edu/abs/2000ApJ...540L..91H http://adsabs.harvard.edu/abs/2002A&A...384..180F http://adsabs.harvard.edu/abs/2002yCat.2237....0D http://adsabs.harvard.edu/abs/2007A&A...474..653V http://adsabs.harvard.edu/abs/2007AN....328..889K http://adsabs.harvard.edu/abs/2008A&A...478..513R http://adsabs.harvard.edu/abs/2013A&A...554A..52H http://adsabs.harvard.edu/abs/2015A&A...582A.110B http://simbad.u-strasbg.fr/simbad/sim-id?Ident=Aln...
