Plate 31: HD 22879: A Weak–Lined F–Star

Star Index

Plate 31: HD 22879: A Weak–Lined F–Star

In the spectrum of HD 22879 the intensity of the G-band resembles that in the F8V standard. On the other hand, the intensities of the metallic lines in HD 22879 average near those in 48 Tau (F3V); the metallic-line patterns show marked local differences between the two stars. The radial velocity of HD 22879 is +114 km/sec.

The MK system has not yet been extended to the classification of the weak–lined stars.

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