WASP-77 A b
Orbiting WASP-77 A
WASP-77 A b is an exoplanet orbiting the star WASP-77 A, discovered in 2012 using the Transit method.
Mass
529.31
Earth masses
Orbital Period
1.4
days
Distance
105.2
parsecs
Radius (Earth radii)
Unknown
Mass (Earth masses)
529.31
Measured
Equilibrium Temperature
Unknown
Parameter source: Noguer et al. 2024
Orbital Period
1.360+0.000−0.000days
Semi-Major Axis
0.0232+0.0000−0.0000au
Planet Mass (Earth masses)
529.31+0.14−0.14
Planet Mass (Jupiter masses)
1.6654+0.0004−0.0004
Eccentricity
0.0135+0.0006−0.0006
Argument of Periastron
-88.3+0.2−0.2deg
Radial Velocity Semi-Amplitude
327.21+0.88−0.88m/s
Distance from Earth
105.2 pc (~343 ly)
Spectral Type
Unknown
Temperature
5617 K
Mass (Solar)
0.90 M☉
Radius (Solar)
0.91 R☉
Luminosity
-0.13 log L☉
Planets in System
1
Stars in System
2
Coordinates (RA, Dec)
37.1555°, -7.0607°
Discovery Method
Transit
Discovery Year
2012
Source ID: WASP-77 A b
WASP-77 A b orbits WASP-77 A and was reported in 2012 and was detected with the Transit method.
Published measurements list a mass of 529.31 Earth masses and an orbital period of 1.36 days.
Catalog data places the system at about 105.2 parsecs from Earth and 1 known planet in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open WASP-77 A