Exoplanet

HD 33844 c

Orbiting HD 33844

Overview

HD 33844 c is an exoplanet orbiting the star HD 33844, discovered in 2015 using the Radial Velocity method.

Key Measurements

Minimum Mass (M sin i)

556.20

Earth masses

0500 M⊕

Orbital Period

916.0

days

0.1d10,000d

Distance

105.8

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

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

556.20

Radial-velocity minimum

Equilibrium Temperature

Unknown

Parameter source: Wittenmyer et al. 2016

Orbital Period

916.000+29.50029.500days

Semi-Major Axis

2.2400+0.05000.0500au

M sin(i) (Earth masses)

556.20+57.2157.21

M sin(i) (Jupiter masses)

1.7500+0.18000.1800

Eccentricity

0.1300+0.10000.1000

Epoch of Periastron

2454544.00+164.00164.00days(BJD)

Argument of Periastron

71.0+67.067.0deg

Radial Velocity Semi-Amplitude

25.40+2.902.90m/s

Distance from Earth

105.8 pc (~345 ly)

Spectral Type

K0 III

Temperature

4861 K

Mass (Solar)

1.78 M☉

Radius (Solar)

5.29 R☉

Luminosity

1.15 log L☉

Planets in System

2

Stars in System

1

Coordinates (RA, Dec)

78.1506°, -14.9510°

Discovery Method

Radial Velocity

Discovery Year

2015

Data Sources

Source ID: HD 33844 c

System Context

HD 33844 c orbits HD 33844 and was reported in 2015 and was detected with the Radial Velocity method.

Published measurements list a minimum mass of 556.2 Earth masses (M sin i) and an orbital period of 916 days.

Catalog data places the system at about 105.8 parsecs from Earth, a host star classified as K0 III, and 2 known planets in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 33844

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