EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 576 (April 2015) A&A, 576 (2015) L12 Full HTML
Press Release
Free Access

Table 1

Abundance of young α-enhanced stars (yαr) in recent high-resolution spectroscopic surveys.

Sample R Gal a N b 1σ/2σ yαr
[kpc]
Fuhrmannc, d< 25 pc 8 424 0/0
Bensby et al.d 8 714 8 (1.1%)/1 (0.1%)
GESe, | ZGal | < 0.3 kpc 6–9 55 0/0
GESe, | ZGal | > 0.3 kpc 6–9 91 3 (3.3%)/1 (1.1%)
LRa01f 9–14 288 3 (1.0%)/2 (0.7%)
LRc01f, | ZGal | < 0.3 kpc 6–7.5 151 4 (2.6%)/2 (1.3%)
LRc01f, | ZGal | > 0.3 kpc 4–6.5 183 21 (11.5%)/13 (7.1%)
APOKASCg 7–8 1639 14 (0.8%)

Notes.

(a)

Galactocentric range covered by different samples;

(b)

N = total number of stars in the sample;

(c)

The volume-complete sample of Fuhrmann (2011);

(d)

Hipparcos volume (Bensby et al. 2014);

(f)

CoRoGEE, this work – see Appendix for detailed information on each star;

(g)

Martig et al. (2015). Outliers were defined in a different manner than in the present work.

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.