Exoplanet

BD+48 738 b

Orbiting BD+48 738

Overview

BD+48 738 b is an exoplanet orbiting the star BD+48 738, discovered in 2011 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

289.23

Earth masses

0500 M⊕

Orbital Period

392.6

days

0.1d10,000d

Distance

871.5

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

289.23

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Gettel et al. 2012

Orbital Period

392.600+5.5005.500days

Semi-Major Axis

1.0000au

M sin(i) (Earth masses)

289.23

M sin(i) (Jupiter masses)

0.9100

Eccentricity

0.2000+0.10000.1000

Epoch of Periastron

2454457.70+28.5028.50days

Argument of Periastron

358.9+31.131.1deg

Radial Velocity Semi-Amplitude

31.90+2.602.60m/s

Distance from Earth

871.5 pc (~2842 ly)

Spectral Type

K0 III

Temperature

4414 K

Mass (Solar)

0.74 M☉

Radius (Solar)

11.00 R☉

Luminosity

1.69 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

40.7103°, 49.5869°

Discovery Method

Radial Velocity

Discovery Year

2011

Data Sources

Source ID: BD+48 738 b

System Context

BD+48 738 b orbits BD+48 738 and was reported in 2011 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 289.23 Earth masses (M sin i) and an orbital period of 392.6 days.

Catalog data places the system at about 871.5 parsecs from Earth, a host star classified as K0 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+48 738