Chú thích Biến_quang_Cepheid

  1. ↑ Udalski, A.; Soszynski, I.; Szymanski, M.; Kubiak, M.; Pietrzynski, G.; Wozniak, P.; Zebrun, K. (1999). “The Optical Gravitational Lensing Experiment. Cepheids in the Magellanic Clouds. IV. Catalog of Cepheids from the Large Magellanic Cloud”. Acta Astronomica 49: 223. Bibcode:1999AcA....49..223U. arXiv:astro-ph/9908317. 
  2. ↑ Soszynski, I.; Poleski, R.; Udalski, A.; Szymanski, M. K.; Kubiak, M.; Pietrzynski, G.; Wyrzykowski, L.; Szewczyk, O.; Ulaczyk, K. (2008). “The Optical Gravitational Lensing Experiment. The OGLE-III Catalog of Variable Stars. I. Classical Cepheids in the Large Magellanic Cloud”. Acta Astronomica 58: 163. Bibcode:2008AcA....58..163S. arXiv:0808.2210. 
  3. ↑ Freedman, Wendy L.; Madore, Barry F. (2010). “The Hubble Constant”. Annual Review of Astronomy and Astrophysics 48: 673. Bibcode:2010ARA&A..48..673F. arXiv:1004.1856. doi:10.1146/annurev-astro-082708-101829.