Free Access

Table 8

Physical properties of the WASP-21 system obtained in this work and compared with those found in literature.

This work (final) Bouchy et al. (2010) Barros et al. (2011) Southworth (2012)

MA (M) 0.890 ± 0.071 ± 0.035 1.01 ± 0.03 0.86 ± 0.04 0.98 ± 0.12 ± 0.07
RA (R) 1.136 ± 0.049 ± 0.015 1.06 ± 0.04 1.186 ± 0.081 ± 0.028
log gA (cgs) 4.277 ± 0.025 ± 0.006 4.39 ± 0.03 4.29 ± 0.02 4.281 ± 0.031 ± 0.010
ρA (ρ) 0.607 ± 0.048 0.84 ± 0.09 0.65 ± 0.05 0.587 ± 0.061
Mb (Mjup) 0.276 ± 0.018 ± 0.007 0.300 ± 0.011 0.27 ± 0.01 0.295 ± 0.027 ± 0.014
Rb ( RJup) 1.162 ± 0.052 ± 0.015 1.07 ± 0.06 1.263 ± 0.085 ± 0.029
gb (ms-2) 5.07 ± 0.35 5.13 ± 0.23 4.58 ± 0.45
ρb (ρjup) 0.165 ± 0.018 ± 0.002 0.24 ± 0.05 0.137 ± 0.021 ± 0.003
Teq (K) 1333 ± 28 1340 ± 32
Θ 0.0267 ± 0.0015 ± 0.0004 0.0245 ± 0.0019 ± 0.0006
a (AU) 0.0499 ± 0.0013 ± 0.0007 0.0494 ± 0.0009 0.0516 ± 0.0020 ± 0.0012
Age (Gyr) 12 ± 5 12 ± 2

Notes. The first error given in our, and Southworth’s results is referred to the statistical errors whereas the second refers to the systematic uncertainties.

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.