The Spectrum of VY Canis Majoris in 2000 February

Details The Spectrum of VY Canis Majoris in 2000 February The Spectrum of VY Canis Majoris in 2000 February

Aug 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasp..113..954w&link_type=abstract

The Publications of the Astronomical Society of the Pacific, Volume 113, Issue 786, pp. 954-956.

Astronomy and Astrophysics

Astronomy

13

Stars: Individual: Constellation Name: Vy Canis Majoris

Scientific paper

We present the current (2000 February) status of the optical spectrum of the irregularly variable M supergiant VY CMa, based on high-resolution CCD spectra. The emission spectrum is largely unchanged over the past 43 yr, with low-lying atomic lines as well as the molecules TiO and ScO in emission. Tables of observed wavelengths for both identified and unidentified lines are presented.

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