EDP Sciences logo
Subscriber Authentication Point
Search
Menu
Home All issues Volume 621 (January 2019) A&A, 621 (2019) A63 Full HTML
Free Access

Table 7

Chemical abundances for Aa and Ab.

Element Mass fraction
Aa Ab
H (7.3 ± 0.3) × 10−1 (7.3 ± 0.3) × 10−1
He (2.5 ± 0.3) × 10−1 (2.5 ± 0.3) × 10−1
C (1.2 ± 0.2) × 10−4 (1.2 ± 0.2) × 10−4
N (5.6 ± 0.4) × 10−3 (4.2 ± 0.4) × 10−3
O (1.1 ± 0.5) × 10−3 (1.1 ± 0.5) × 10−3
Si 6.6 × 10−4 6.6 × 10−4
(P) 5.8 × 10−6 5.8 × 10−6
S 3.1 × 10−4 3.1 × 10−4
Fe 1.4 × 10−3 1.4 × 10−3

Notes. Thephosphorus abundance could not be derived in our analysis and is assumed to be solar. Error estimates correspond to upper and lower limits where the change in abundance starts to become noticeable in the spectrum.

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.