Open Access

Table 4

Mean cluster metallicity, [α/Fe], and radial velocity for members.

Cluster ID [Fe/H] (dex) [α/Fe] (dex) RV (km s−1) N1P
NGC 6273 −1.75± 0.11 0.22±0.07 144.7±7.2 23
NGC 6293 −2.12± 0.08 0.29±0.08 −142.9±5.6 5
NGC 6304 −0.49± 0.06 0.18±0.04 −109.6±5.2 4
NGC 6316 −0.83± 0.05 0.23±0.04 100.7±3.6 3
Terzan 2 −0.88± 0.02 0.25±0.02 134.1±1.1 2
Terzan 4 −1.41± 0.04 0.22±0.04 −47.7±3.5 2
HP 1 −1.23± 0.07 0.23±0.04 40.1±4.2 2
FSR 1758 −1.48± 0.08 0.25±0.05 224.6±2.9 2
NGC 6380 −0.90± 0.02 0.20±0.09 1.7±5.5 3
Ton 2 −0.73± 0.03 0.26±0.05 −179.0±3.7 3
Terzan 9 −1.42± 0.04 0.24±0.04 70.4±5.3 4
Djorg 2 −1.14± 0.04 0.24±0.03 −151.9±1.2 3
NGC 6540 −1.09± 0.06 0.23±0.05 −14.3±1.1 1
NGC 6558 −1.15± 0.03 0.22±0.03 −192.6±1.2 1
NGC 6569 −1.04± 0.05 0.29±0.08 −49.7±3.5 5
NGC 6642 −1.11± 0.04 0.31±0.05 −55.5±2.4 6
NGC 6656 −1.75± 0.10 0.29±0.06 −147.4±6.2 59
NGC 6717 −1.17± 0.05 0.25±0.01 28.3±1.4 2

Notes. [α/Fe] is given by the mean [Si/Fe] abundance including 1P and 2P stars.

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.