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Table 3.

Group classification and derived abundances for RGB stars in NGC 2808.

Star Sa groupb [Al/Fe] errc [CN/Fe] rms Nrd
7183 G 2 0.091 0.020 −0.219 0.111 19
7315 G 1 −0.236 0.021 −0.241 0.105 20
7536 U 1 0.201 0.007 9.999 0
7558 G 1 0
7788 G 2 −0.169 0.033 −0.157 0.103 18
8198 G 1 −0.369 0.030 −0.171 0.172 18
8204 G 1 −0.131 0.024 −0.294 0.115 17
8603 U 1 0.030 0.024 −0.340 0.084 17

Notes. The complete table is available electronically only at CDS.

(a)

G = GIRAFFE; U = UVES.

(b)

Group classification from Carretta (2015).

(c)

For abundances from UVES this is rms scatter of the mean from the two lines at 6696–98 Å.

(d)

Number of used CN features.

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