V0391 Peg b
Orbiting V0391 Peg
V0391 Peg b is an exoplanet orbiting the star V0391 Peg, discovered in 2007 using the Pulsation Timing Variations method.
Minimum Mass (M sin i)
1017.06
Earth masses
Orbital Period
1170.0
days
Distance
1196.0
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1017.06
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Silvotti et al. 2007
Orbital Period
1170.000+44.000−44.000days
Semi-Major Axis
1.7000+0.1000−0.1000au
M sin(i) (Earth masses)
1017.06+222.48−222.48
M sin(i) (Jupiter masses)
3.2000+0.7000−0.7000
Eccentricity
0.0000
Distance from Earth
1196.0 pc (~3901 ly)
Spectral Type
Unknown
Temperature
29300 K
Mass (Solar)
0.50 M☉
Radius (Solar)
0.23 R☉
Luminosity
Unknown
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
331.0504°, 26.4188°
Discovery Method
Pulsation Timing Variations
Discovery Year
2007
Source ID: V0391 Peg b
V0391 Peg b orbits V0391 Peg and was reported in 2007 and was detected with the Pulsation Timing Variations method.
Published measurements list a minimum mass of 1,017.06 Earth masses (M sin i) and an orbital period of 1,170 days.
Catalog data places the system at about 1,196 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 V0391 Peg