Exoplanet

BD+48 740 b

Orbiting BD+48 740

Overview

BD+48 740 b is an exoplanet orbiting the star BD+48 740, discovered in 2018 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

540.31

Earth masses

0500 M⊕

Orbital Period

733.0

days

0.1d10,000d

Distance

666.6

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

540.31

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Adamów et al. 2018

Orbital Period

733.000+5.000−8.000days

Semi-Major Axis

1.7000+0.1000−0.1000au

M sin(i) (Earth masses)

540.31+222.48−222.48

M sin(i) (Jupiter masses)

1.7000+0.7000−0.7000

Eccentricity

0.7600+0.0500−0.0900

Epoch of Periastron

2454774.50+21.00−15.00days(JD)

Argument of Periastron

100.0+12.0−15.0deg

Radial Velocity Semi-Amplitude

54.00+5.20−8.00m/s

Distance from Earth

666.6 pc (~2174 ly)

Spectral Type

Unknown

Temperature

4534 K

Mass (Solar)

1.09 M☉

Radius (Solar)

10.33 R☉

Luminosity

1.64 log L☉

Planets in System

1

Stars in System

1

Coordinates (RA, Dec)

40.7425°, 48.9301°

Discovery Method

Radial Velocity

Discovery Year

2018

Data Sources
NASA Exoplanet Archive

Source ID: BD+48 740 b

System Context

BD+48 740 b orbits BD+48 740 and was reported in 2018 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 540.31 Earth masses (M sin i) and an orbital period of 733 days.

Catalog data places the system at about 666.6 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 BD+48 740