Exoplanet

HD 208527 b

Orbiting HD 208527

Overview

HD 208527 b is an exoplanet orbiting the star HD 208527, discovered in 2012 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

3146.40

Earth masses

0500 M⊕

Orbital Period

875.5

days

0.1d10,000d

Distance

312.2

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Minimum Mass, M sin(i) (Earth masses)

3146.40

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Lee et al. 2013

Orbital Period

875.500+5.8005.800days

Semi-Major Axis

2.1000+0.20000.2000au

M sin(i) (Earth masses)

3146.40+540.30540.30

M sin(i) (Jupiter masses)

9.9000+1.70001.7000

Eccentricity

0.0800+0.04000.0400

Epoch of Periastron

2450745.30+45.7045.70days

Argument of Periastron

278.0+19.519.5deg

Radial Velocity Semi-Amplitude

155.40+3.203.20m/s

Distance from Earth

312.2 pc (~1018 ly)

Spectral Type

M1 III

Temperature

4035 K

Mass (Solar)

1.60 M☉

Radius (Solar)

51.10 R☉

Luminosity

Unknown

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

329.0999°, 21.2399°

Discovery Method

Radial Velocity

Discovery Year

2012

Data Sources

Source ID: HD 208527 b

System Context

HD 208527 b orbits HD 208527 and was reported in 2012 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 3,146.4 Earth masses (M sin i) and an orbital period of 875.5 days.

Catalog data places the system at about 312.2 parsecs from Earth, a host star classified as M1 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 HD 208527