HIP 57274 c
Orbiting HIP 57274
HIP 57274 c is an exoplanet orbiting the star HIP 57274, discovered in 2011 using the Radial Velocity method.
Minimum Mass (M sin i)
130.00
Earth masses
Orbital Period
32.0
days
Distance
25.9
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
130.00
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Fischer et al. 2012
Orbital Period
32.030+0.020−0.020days
Semi-Major Axis
0.1780au
M sin(i) (Earth masses)
130.00+3.00−3.00
M sin(i) (Jupiter masses)
0.4090+0.0094−0.0094
Eccentricity
0.0500+0.0200−0.0200
Epoch of Periastron
2455785.21+9.50−9.50days(HJD)
Argument of Periastron
356.2+120.0−120.0deg
Radial Velocity Semi-Amplitude
32.40+0.60−0.60m/s
Distance from Earth
25.9 pc (~84 ly)
Spectral Type
K4 V
Temperature
4640 K
Mass (Solar)
0.73 M☉
Radius (Solar)
0.68 R☉
Luminosity
0.19 log L☉
Planets in System
3
Stars in System
1
Coordinates (RA, Dec)
176.1705°, 30.9576°
Discovery Method
Radial Velocity
Discovery Year
2011
Source ID: HIP 57274 c
HIP 57274 c orbits HIP 57274 and was reported in 2011 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 130 Earth masses (M sin i) and an orbital period of 32.03 days.
Catalog data places the system at about 25.9 parsecs from Earth, a host star classified as K4 V, and 3 known planets in the system.
Host star
Explore the stellar record for this system to compare temperature, spectral type, and known planets.
Open HIP 57274More planets in this system