Bright Sodium Lines in a Stellar Spectrum

This spectrum, type Aoep, has bright sodium lines, DI,2. Both H and K of calcium, in addition to a narrow dark line in the normal position, have an intense dark component ~ A wide, displaced 3.2 A toward shorter wave-lengths. The narrow lines have bright fringes on either side. Numerous enhanced metallic lines, most of them in emission, are visible. The radial velocity is about o km/sec. Neither the spectral details nor the integrated light have been observed to vary