Free Access
Table 11
High-resolution average Praesepe (NGC 2632) abundances.
| Here | P08a | A07b | Bu98c | ||
|
|
|||||
| R = λ/δλ | 30 000 | 100 000 | 55 000 | 90 000 | |
| S/N | 50–100 | ≃80 | ≃100 | ~200 | |
|
|
|||||
| [Fe/H] | +0.16 ± 0.05 | +0.27 ± 0.10 | +0.11 ± 0.03 | +0.40 ± 0.14 | |
| [Al/Fe] | +0.00 ± 0.03 | –0.05 ± 0.12 | – | –0.19 ± 0.17 | |
| [Ba/Fe] | +0.33 ± 0.05 | +0.22 ± 0.06 | – | – | |
| [Ca/Fe] | –0.08 ± 0.02 | +0.00 ± 0.11 | – | +0.04 ± 0.16 | |
| [Co/Fe] | +0.04 ± 0.02 | – | – | – | |
| [Cr/Fe] | +0.05 ± 0.01 | –0.01 ± 0.08 | – | – | |
| [La/Fe] | –0.05 ± 0.02 | – | – | – | |
| [Mg/Fe] | +0.27 ± 0.05 | – | – | – | |
| [Na/Fe] | +0.25 ± 0.06 | –0.04 ± 0.12 | – | – | |
| [Ni/Fe] | +0.02 ± 0.02 | –0.02 ± 0.12 | – | +0.21 ± 0.17 | |
| [O/Fe] | –0.11 ± 0.03 | –0.40 ± 0.20 | – | – | |
| [Sc/Fe] | –0.04 ± 0.05 | – | – | – | |
| [Si/Fe] | +0.06 ± 0.02 | –0.01 ± 0.12 | – | – | |
| [Ti/Fe] | –0.07 ± 0.03 | –0.04 ± 0.12 | – | – | |
| [V/Fe] | +0.06 ± 0.03 | – | – | – | |
| [Y/Fe] | –0.11 ± 0.01 | – | – | – | |
Notes.
(a)
Pace et al. (2008), from 6 G and 1 F main sequence stars.
(b)
An et al. (2007), from 4 G dwarfs stars.
(c)
Burkhart & Coupry (1998), from 10 Am 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.