CN星
CN
CN
參考 資料
[编辑]- ^ Keenan, P. C.; Heck, A. SMR stars, strong-CN stars, and R stars. Revista Mexicana de Astronomía y Astrofísica. July 1994, 29: 103–110. Bibcode:1994RMxAA..29..103K.
- ^ Schmitt, John L. Stars with Strong Cyanogen Absorption. Astrophysical Journal. 3 June 1970, 163: 75. Bibcode:1971ApJ...163...75S. doi:10.1086/150747.
- ^ 3.0 3.1 Keenan, Philip C. Spectral types and their uses. Publications of the Astronomical Society of the Pacific. August 1987, 99: 713–723. Bibcode:1987PASP...99..713K. doi:10.1086/132036.
- ^ Roman, Nancy G. The Spectra of the Bright Stars of Types F5-K5. Astrophysical Journal. 1 March 1952, 116: 122. Bibcode:1952ApJ...116..122R. doi:10.1086/145598.
- ^ Keenan, Philip C.; et al. Recognition and classification of strong-CN giants. Publications of the Astronomical Society of the Pacific. July 1987, 99: 629–636. Bibcode:1987PASP...99..629K. doi:10.1086/132025 .