Definitions | Red Rectangle |
| proper noun
- (astronomy) The nebula and binary star w:HD 44179, HD 44179.
- 1987, Beverly T. Lynds, "Optical observations of nebulae", in A. Dalgarno and David Layzer (eds.), Spectroscopy of astrophysical plasmas,http://books.google.com/books?id=RXriS7K2OFIC</sup> Cambridge University Press, ISBN 0-521-26927-X, page 12,
- : The is only one example of an infrared object that is detectable in the infrared because of grain emission.
- 1995, J.R. Miles, P.J. Sarre, and S.M. Scarrott, "Red Rectangle Emission Bands", in Alexander G.G.M. Tielens and Theodore Peck Snow (eds.), The Diffuse Interstellar Bands,http://books.google.com/books?id=WSKEpEXIjRMC</sup> Springer, ISBN 0792336291, page 143,
- : The is a bipolar nebula with a remarkable spectrum in which emission is excited by the light of the central star HD44179.
- 2000 July, T. Miyata et al, "Spatially Resolved Spectra of the in the N-band", in Ryszard Szczerba and SÅ�awomir K. Górny (eds.), Post-AGB as a Phase of Stellar Evolution: Proceedings of the ToruÅ� Workshop held July 5"7, 2000,http://books.google.com/books?id=FNlxZ3H0sxIC</sup> Kluwer Academic Publishers (2001), ISBN 0-7923-7145-3, page 352,
- : Figure 1 shows obtained images of the . All of the sources consist of a bright core and an extended nebula.
Etymology: Coined by astronomers Martin Cohen and Mike Merrill in 1973
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