Free Access

 

 

Table 4:

Parameters of the models with best goodness-of-fit for IK Tau.
  Model 1 Model 2 Model 3 95% confidence
based on CO CO & HCN CO & HCN interval for
v(r) momentum eq. momentum eq. power-law $\beta~=~1$ model 3
parameter value value value  
$T_{\rm eff}$[K] 2200 2200 2200 100
$R_{\star }$[1013 cm] 2.5 1.5 1.5 1.0
[CO/H2] [10-4] 2 2 2 -
distance [pc] 250 265 265 20
$R_{\rm inner}$[$R_{\star }$] 2.2 8.7 8.7 2
$R_{\rm {outer}}$[$R_{\star }$] 15 170 27 000 27 000 -
$v_{\infty}$[km s-1] 17.7 17.7 17.7 -
$\dot{M}$(r) [$M_{\odot }$/yr] $8 \times 10^{-6}$ $9 \times 10^{-6}$ $8 \times 10^{-6}$ $1 \times 10^{-6}$
12C/13C 20 16 14 2

Notes. Details for each model are given in the text. The numbers in italics are input parameters that have been kept fixed at the given value.


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.