BD+20 274 b
Orbiting BD+20 274
BD+20 274 b is an exoplanet orbiting the star BD+20 274, discovered in 2012 using the Radial Velocity method.
Minimum Mass (M sin i)
1334.89
Earth masses
Orbital Period
578.2
days
Distance
1322.5
parsecs
Radius (Earth radii)
Unknown
Minimum Mass, M sin(i) (Earth masses)
1334.89
Radial-velocity minimum
Equilibrium Temperature
Unknown
Parameter source: Gettel et al. 2012
Orbital Period
578.200+5.400−5.400days
Semi-Major Axis
1.3000au
M sin(i) (Earth masses)
1334.89
M sin(i) (Jupiter masses)
4.2000
Eccentricity
0.2100+0.0600−0.0600
Epoch of Periastron
2453921.00+33.20−33.20days(JD)
Argument of Periastron
108.5+38.1−38.1deg
Radial Velocity Semi-Amplitude
121.40+6.40−6.40m/s
Distance from Earth
1322.5 pc (~4313 ly)
Spectral Type
K5 III
Temperature
4296 K
Mass (Solar)
0.80 M☉
Radius (Solar)
17.30 R☉
Luminosity
1.96 log L☉
Planets in System
1
Stars in System
1
Coordinates (RA, Dec)
25.9203°, 21.0053°
Discovery Method
Radial Velocity
Discovery Year
2012
Source ID: BD+20 274 b
BD+20 274 b orbits BD+20 274 and was reported in 2012 and was detected with the Radial Velocity method.
Published measurements list a minimum mass of 1,334.89 Earth masses (M sin i) and an orbital period of 578.2 days.
Catalog data places the system at about 1,322.5 parsecs from Earth, a host star classified as K5 III, 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 BD+20 274