Confirmed Exoplanet Discovered 2016

HR 2562 b

A gas giant orbiting the f-type yellow-white HR 2562, located approximately 110.9 light-years from Earth.

Key parameters at a glance

  • A radius of 12.44 Earth radii
  • A mass of 4,195.33 Earth masses
  • Surface gravity around 27.10 g
  • Semi-major axis 27.0000 AU
  • Equilibrium temperature 1,255 K (982 °C)
  • Distance from Earth 110.92 light-years
  • Earth Similarity Index 0.114
  • Travel time at Voyager 1 speed 1,956,007 years

HR 2562 b Planet Profile

Physical Specs

Radius
12.44 R⊕
Radius (Jupiter)
1.110 R♃
Mass
4,195.33 M⊕
Mass (Jupiter)
13.200 M♃
Density
12.00 g/cm³
Surface Gravity
27.10 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.114
HZ Position Unknown
Controversial No

Discovery

Year 2016
Method Imaging
Facility Gemini Observatory
Telescope 8.19 m Gemini South Telescope

Size rank in cohort

Rank by radius

#1287of 1771

top 72.6%

This planet

12.44R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth HR 2562 b Jupiter
Radius (R⊕)1.0012.4411.21
Mass (M⊕)1.004,195.33317.83
Density (g/cm³)5.5112.001.33
Surface Gravity (g)1.0027.102.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 4,195.335 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

HD

HD 50571

HIP

HIP 32775

TIC

TIC 167656187

Gaia DR2

Gaia DR2 5480006192386819456

Gaia DR3

Gaia DR3 5480006192386819456

System

HR 2562

Percentile among Gas Giant cohort

Radius 12.442 R⊕ · percentile 27 / cohort 1771
Mass 4,195.335 M⊕ · percentile 92 / cohort 1747
Distance 34.01 pc · percentile 10 / cohort 1759
ESI 0.114 · percentile 30 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
days
Semi-major axis
27.0000 AU
Eccentricity
Inclination
°

Year Length

Orbital period for this planet has not yet been measured.

Eq. Temperature

1,255K

(982 °C)

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.114

0 = alien, 1 = Earth-identical

Insufficient insolation data — the dayside is scorched.

Discovery Paper

Primary reference

Konopacky et al. 2016

Instrument

Gemini Planet Imager

Publication

2016-09

Observation locale

Ground

Host System: HR 2562

Spectral Class

F-type yellow-white

Effective Temperature

6,597 K — hotter than the Sun (5,778 K)

Estimated Age

0.50 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.334 R☉

Stellar Mass

1.368 M☉

Metallicity [Fe/H]

0.10

Extended Stellar Properties

Surface gravity (log g)

4.300 dex

Stellar density

0.703 g/cm³

Systemic radial velocity

26.69 km/s

Rotational v·sin i

43.51 km/s

Metallicity ratio

[Fe/H]

Distance
34.01 parsec
Light-years 110.92 ly
V-band magnitude
6.11 mag
Voyager-speed travel 1,956,007 yr

Multi-band Host Photometry — 11 bands

4.86.56.55B6.11V6.00Gaia5.68TESS5.31J5.13H5.02K5.00W14.79W25.05W34.99W4

Astrometric Data

Parallax

29.377 mas

Total Proper Motion

108.477 mas/yr

PM Right Ascension

4.66 mas/yr

PM Declination

108.38 mas/yr

Galactic Cartesian (pc)

x = -0.107 · y = 0.484 · z = -0.868

Equatorial (J2000)

RA 102.50427° · Dec -60.24868°

Galactic ℓ, b

270.175° · -23.492°

Ecliptic λ, β

137.296° · -81.593°

HTM-20 index

-2144904250

Similar Worlds

Explore Related Categories