Free Access
   

Table 4:

Diffusion timescales at the base of the convection zone (or at $\tau _{\rm R} = 5$) for DA models with $\log g$ = 8, using the standard assumption of ML2/0.6 for atmosphere and envelope models.
$T_{\rm eff}$ C Na Mg Si Ca Fe
6000.0 4.50 4.34 4.29 4.21 4.14 4.00
7000.0 3.88 3.60 3.54 3.52 3.45 3.33
8000.0 3.49 3.16 3.07 3.12 3.06 2.95
9000.0 3.03 2.70 2.60 2.66 2.61 2.50
9500.0 2.68 2.31 2.21 2.30 2.24 2.13
10 000.0 2.18 1.74 1.65 1.79 1.68 1.59
10 500.0 1.55 0.98 0.95 1.15 0.94 0.88
11 000.0 0.55 -0.00 0.05 0.32 -0.04 -0.03
11 100.0 0.33 -0.22 -0.13 0.14 -0.25 -0.24
11 200.0 0.10 -0.46 -0.33 -0.07 -0.46 -0.44
11 300.0 -0.14 -0.72 -0.55 -0.33 -0.69 -0.67
11 400.0 -0.41 -1.01 -0.79 -0.61 -0.94 -0.92
11 500.0 -0.74 -1.35 -1.07 -0.98 -1.25 -1.22
11 600.0 -1.03 -1.64 -1.32 -1.31 -1.51 -1.57
11 700.0 -1.35 -1.84 -1.50 -1.52 -1.70 -1.80
11 800.0 -1.54 -1.97 -1.63 -1.66 -1.83 -1.95
11 900.0 -1.65 -2.05 -1.70 -1.74 -1.90 -2.04
12 000.0 -1.70 -2.10 -1.74 -1.79 -1.95 -2.09
12 500.0 -1.74 -2.14 -1.78 -1.83 -1.99 -2.12
13 000.0 -1.73 -2.14 -1.79 -1.83 -1.99 -2.12
14 000.0 -1.61 -2.08 -1.73 -1.76 -1.93 -2.04
15 000.0 -1.48 -2.03 -1.69 -1.70 -1.89 -1.97
16 000.0 -1.36 -1.98 -1.65 -1.64 -1.84 -1.90
17 000.0 -1.32 -1.94 -1.62 -1.58 -1.80 -1.83
18 000.0 -1.28 -1.90 -1.59 -1.53 -1.77 -1.77
19 000.0 -1.24 -1.86 -1.57 -1.48 -1.74 -1.71
20 000.0 -1.21 -1.83 -1.55 -1.43 -1.72 -1.68
21 000.0 -1.18 -1.80 -1.53 -1.38 -1.69 -1.66
22 000.0 -1.15 -1.77 -1.51 -1.34 -1.67 -1.64
23 000.0 -1.12 -1.74 -1.50 -1.31 -1.65 -1.61
24 000.0 -1.09 -1.70 -1.48 -1.27 -1.63 -1.59
25 000.0 -1.06 -1.67 -1.47 -1.24 -1.60 -1.57

Columns 2-6 give the logarithm of the timescales in years for the elements C, Na, Mg, Si, Ca, and Fe.


Source LaTeX | All tables | In the text

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.