Planet HATS-47 Ab

Detailed information about planet HATS-47 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name
HATS-47 Ab
Mass
0.369 ( +0.031 -0.021 ) MJ
Mass*sin(i)
—
Semi-Major Axis
0.04269 ( +0.00033 -0.00025 ) AU
Orbital Period
3.9228038 ( ± 2.2e-06 ) day
Eccentricity
0.088 ( +0.0 -0.088 )
ω
—
Tperi
—
Radius
1.117 ( ± 0.014 ) RJ
Inclination
87.08 ( ± 0.61 ) deg
Primary transit
2457365.35804 ( ± 0.00029 ) JD
Secondary transit
—
λ
—
Impact Parameter b
0.7127 ( ± 0.0096 )
Time Vr=0
—
Velocity Semiamplitude K
61.7 ( ± 4.3 ) m/s
Calculated temperature
852.9 ( ± 4.7 ) K
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

1 Sep 2025: See also Planets in Binaries webpage.

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Star

Name
HATS-47 A
Distance
301.7 ( ± 1.9 ) pc
Spectral type
K6V
Apparent magnitude V
14.8
Apparent magnitude I
—
Apparent magnitude J
—
Apparent magnitude H
—
Apparent magnitude K
—
Mass
0.674 ( +0.016 -0.012 ) MSun
Age
8.1 ( +2.9 -4.3 ) Gyr
Effective temperature
4512.0 ( ± 19.0 ) K
Radius
0.6564 ( ± 0.0055 ) RSun
Metallicity [Fe/H]
-0.113 ( ± 0.035 )
Detected Disc
—
Magnetic Field
—
RA2000
19:09:56.0
Dec2000
-49:39:54.0
Alternate Names
—

Eeles-Nolle & Armstrong (2025): A faint companion star, likely a low-mass M dwarf (Gaia DR3 6658373007399156352, G = 18.88), lies 32.27 arcseconds away (9,700 AUs at 302 pc).

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