The spectrum of VY Canis Majoris is the fact of a superior-luminosity M-course star. The hydrogen lines, having said that, have P Cygni profiles in shape for luminous blue variables. The spectrum is dominated by TiO bands whose strengths advise a classification of M5. The H-alpha (Hα) line is just https://vy81616.yomoblog.com/17285999/the-fact-about-nr-that-no-one-is-suggesting