Planet HAT-P-23 Ab

Detailed information about planet HAT-P-23 Ab and its parameters.

Planet

Name
HAT-P-23 Ab
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
ω
Tperi
Radius
Inclination
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Surface gravity log(g/gH)
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

11 Dec 2010: The time of secondary eclipse is not measured but derived from the Keplerian orbit (Bakos et al. 2010).
1 Sep 2025: See also Planets in Binaries webpage.

No link

Star

No remarks

Eeles-Nolle & Armstrong (2025): A faint companion star, a very low-mass M dwarf or even a white dwarf (Gaia DR3 846946625690867328, G = 19.89), lies 17.58 arcseconds away (6,900 AUs at 393 pc).