S stars
| alt label |
|
|||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| dcterms modified |   |
|||||||||||||||||||||
| broader |
|
|||||||||||||||||||||
| definition | A red giant of spectral type S whose spectrum is dominated by molecular bands arising from zirconium oxide (ZrO). S stars also have strong cyanogen bands and contain spectral lines of lithium and technetium. Almost all S stars are long-period variables. | |||||||||||||||||||||
| narrower |
|
|||||||||||||||||||||
| type |
|
|||||||||||||||||||||
| contributor | AAS_Frey.Katie_Admin original | |||||||||||||||||||||