Ephemeris | |
Planet orbital period P [days] | 13.2406 ![]() |
Planetary transit epoch
![]() |
54 273.3436 ![]() |
Planetary transit duration
![]() |
2.98 ![]() |
Planetary occultation epoch
![]() |
54 276.49 ![]() |
Planetary occultation duration
![]() |
2.08 ![]() |
Epoch of periastron T0 [HJD-2 400 000] | 54 990.85 ![]() |
Derived parameters from radial velocity observations | |
Orbital eccentricity e | 0.53 ![]() |
Argument of periastron ![]() |
218.9 ![]() |
Radial velocity semi-amplitude K [ m s-1] | 301 ![]() |
Systemic velocity ![]() |
15.330 ![]() |
O-C residuals [ m s-1] | 29 |
Fitted and fixed transit parameters | |
![]() |
0.00483 ![]() |
Radius ratio
![]() |
0.1269 ![]() |
Inclination i [deg] | 88.55 ![]() |
u+ (fixed) | +0.72 |
u- (fixed) | +0.30 |
Derived transit parameters | |
a/R*c | 31.33 ![]() |
![]() |
247 ![]() |
![]() |
1.33 ![]() |
Stellar density ![]() ![]() |
3.32 ![]() |
Impact parameter bd | 0.85 ![]() |
Spectroscopic parameters of the star | |
Effective temperature
![]() |
5075 ![]() |
Surface gravity log g [cgs] | 4.65 ![]() |
Metallicity
![]() |
+0.26 ![]() |
Stellar rotational velocity
![]() |
2.0 ![]() |
Spectral type | K1V |
Stellar and planetary physical parameters | |
Star mass [![]() |
0.89 ![]() |
Star radius [![]() |
0.79 ![]() |
Planet mass ![]() ![]() |
2.75 ![]() |
Planet radius ![]() ![]() |
0.97 ![]() |
Planet density
![]() ![]() |
3.70 ![]() |
Planet surface gravity log ![]() |
3.93 ![]() |
Planet rotation period
![]() |
4.25 ![]() |
Distance of the star d [pc] | 345 ![]() |
Orbital semi-major axis a [AU] | 0.1055 ![]() |
Orbital distance at periastron
![]() |
0.0496 ![]() |
Orbital distance at apoastron
![]() |
0.1614 ![]() |
Equilibrium temperature at the
averaged distance
![]() |
600 ![]() |
Equilibrium temperature at
periastron
![]() |
935 ![]() |
Equilibrium temperature at
apoastron
![]() |
518
![]() |
Notes. (a)
;
(b) phase of the end
of transit egress in the reference system defined by Giménez & Garcia-Pelayo
(1983);
(c)
,
where
is the true anomaly measured from the periastron passage at the end of
transit egress (see Giménez 2009);
(d)
;
(e) from CESAM
stellar evolution models. See Sect. 5 for
details;
(f) assuming the
planet to be in a pseudo-synchronous rotation;
(g) black body
equilibrium temperature for an isotropic planetary emission.
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