Cepheid variable

“Hubble Space Telescope Fine Guidance Sensor Parallaxes of Galactic Cepheid Variable Stars: Period-Luminosity Relations”. 《The Astronomical Journal》 133

173 (1912) 1-3. Turner, David G. (1996). “The Progenitors of Classical Cepheid Variables”. 《Journal of the Royal Astronomical Society of Canada》.  두산

"Hubble Space Telescope Fine Guidance Sensor Parallaxes of Galactic Cepheid Variable Stars: Period-Luminosity Relations" 보관됨 2016-01-23 - 웨이백 머신, The Astronomical

카스토르나 폴룩스를 가리키는 말로 더 자주 쓰였다. SIMBAD. “Basic data: V* zet Gem -- Classical Cepheid (delta Cep type)”. 2009년 3월 8일에 확인함.  P.Kervella; V. Coudé du Foresto,

brightness of the [Cepheid] variables and their periods." Kerri Malatesta (2010년 7월 16일). “Delta Cephei”. American Association of Variable Star Observers