Oxygen and Carbon Abundances in Blue Straggler Stars
Oxygen abundance as a function of Carbon abundance (both with respect to Iron and in a logarithmic scale) for the Blue straggler stars observed in the globular cluster 47 Tuc. Normal Blue straggler stars are marked with empty circles, while the 6 Carbon and Oxygen-deplete Blue Straggler stars are marked with red squares. Their names are also indicated. The yellow region correspond to the location of other stars in 47 Tuc previously studied
Credit:
ESO
About the Image
| Id: | eso0637a |
| Type: | Chart |
| Release date: | 2 October 2006 |
| Related releases: | eso0637 |
| Size: | 2055 x 1172 px |
About the Object
| Name: | 47 Tucanae |
| Type: | • Milky Way : Star : Grouping : Cluster : Globular • X - Star Clusters |
| Distance: | 15000 light years |
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