English
Etymology
Coined by astronomers Martin Cohen and Mike Merrill in 1973
Proper noun
en-proper noun|sg=the red|Red rectangle|Rectangle
- 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,<sup>1</sup> Cambridge University Press, ISBN 0-521-26927-X, page 12,
#*: The Red Rectangle 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,<sup>2</sup> Springer, ISBN 0792336291, page 143,
#*: The Red Rectangle 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 Red Rectangle in the N-band�, in Ryszard Szczerba and S�awomir K. Górny (eds.), Post-AGB as a Phase of Stellar Evolution: Proceedings of the Toru� Workshop held July 5�7, 2000,<sup>3</sup> Kluwer Academic Publishers (2001), ISBN 0-7923-7145-3, page 352,
#*: Figure 1 shows obtained images of the Red Rectangle. All of the sources consist of a bright core and an extended nebula.
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