Confirmed Exoplanet Discovered 2017

PSR B0329+54 b

A rocky terrestrial orbiting the unknown PSR B0329+54, located approximately 1,646.9 light-years from Earth.

Key parameters at a glance

  • A radius of 1.22 Earth radii
  • A mass of 1.97 Earth masses
  • Surface gravity around 1.32 g
  • An orbital period of 10,140.000 days
  • Semi-major axis 10.2600 AU
  • Distance from Earth 1,646.87 light-years
  • Earth Similarity Index 0.938
  • Travel time at Voyager 1 speed 29,042,545 years

PSR B0329+54 b Planet Profile

Physical Specs

Radius
1.22 R⊕
Radius (Jupiter)
0.109 R♃
Mass
1.97 M⊕
Mass (Jupiter)
0.006 M♃
Density
5.96 g/cm³
Surface Gravity
1.32 g (Earth)

Classification

Planet Type

Rocky Terrestrial

ESI Score 0.938
HZ Position Unknown
Controversial No

Discovery

Year 2017
Method Pulsar Timing
Facility Multiple Facilities
Telescope Multiple Telescopes

Size rank in cohort

Rank by radius

#35of 570

top 6.0%

This planet

1.22R⊕

Rocky Terrestrial median

1.01R⊕

Nearest-size peers

Kepler-295 b 1.22 R⊕ Kepler-226 d 1.22 R⊕ Kepler-197 d 1.22 R⊕
Metric Earth PSR B0329+54 b Jupiter
Radius (R⊕)1.001.2211.21
Mass (M⊕)1.001.97317.83
Density (g/cm³)5.515.961.33
Surface Gravity (g)1.001.322.53
Insolation (S⊕)1.00—0.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 1.970 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 316847481

Gaia DR2

Gaia DR2 445135392719883904

Gaia DR3

Gaia DR3 445135392719883904

System

PSR B0329+54

Percentile among Rocky Terrestrial cohort

Radius 1.220 R⊕ · percentile 92 / cohort 570
Mass 1.970 M⊕ · percentile 83 / cohort 570
Orbital period 10,140.00 d · percentile 100 / cohort 567
Distance 504.93 pc · percentile 64 / cohort 566
ESI 0.938 · percentile 92 / cohort 570

Orbit & Habitability

Orbital Dynamics

Period
10,140.000 days
Semi-major axis
10.2600 AU
Eccentricity
0.236
Inclination
— °

Year Length

A year here lasts about 27.76 Earth years on a mildly elliptical path at a mean orbital distance of 10.2600 AU.

Eq. Temperature

—

 

Insolation (S⊕)

—

Earth = 1.00

Earth Similarity (ESI)

0.938

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Starovoit & Rodin 2017

Instrument

Multiple Instruments

Publication

2017-11

Observation locale

Ground

Discovery cohort

Planets confirmed in 2017 at Multiple Facilities (4 shown).

TAP 26 b · Gas Giant WASP-53 b · Gas Giant WASP-81 b · Gas Giant WASP-53 c · Unclassified

Host System: PSR B0329+54

Spectral Class

Unknown

Effective Temperature

—

Estimated Age

—

Stellar Radius

—

Stellar Mass

1.440 M☉

Metallicity [Fe/H]

—

Distance
504.93 parsec
Light-years 1,646.87 ly
V-band magnitude
20.87 mag
Voyager-speed travel 29,042,545 yr

Multi-band Host Photometry — 10 bands

9.020.920.87V20.19Gaia19.29TESS17.09J16.18H15.56K15.68W116.04W212.36W38.97W4

Astrometric Data

Parallax

1.980 mas

Total Proper Motion

3.805 mas/yr

PM Right Ascension

-0.17 mas/yr

PM Declination

-3.80 mas/yr

Galactic Cartesian (pc)

x = 0.347 · y = 0.464 · z = 0.815

Equatorial (J2000)

RA 53.24727° · Dec 54.57916°

Galactic ℓ, b

144.995° · -1.220°

Ecliptic λ, β

65.187° · 34.260°

HTM-20 index

1847411239

Similar Worlds

KMT-2020-BLG-0414L b

Rocky Terrestrial · Unknown

Radius 1.20 R⊕ · 3,979.1 ly

OGLE-2013-BLG-0341L B b

Rocky Terrestrial · Unknown

Radius 1.16 R⊕ · 2,971.3 ly

Artist impression of OGLE-2016-BLG-1195L b exoplanet

OGLE-2016-BLG-1195L b

Rocky Terrestrial · Unknown

Radius 1.11 R⊕ · 12,752.7 ly

Artist impression of OGLE-2016-BLG-0007L b exoplanet

OGLE-2016-BLG-0007L b

Rocky Terrestrial · Unknown

Radius 1.09 R⊕ · 14,024.7 ly

Artist impression of PSR B1257+12 b exoplanet

PSR B1257+12 b

Rocky Terrestrial · Unknown

Radius 0.34 R⊕ · 1,956.9 ly

Explore Related Categories

Rocky Terrestrial Planets Pulsar Timing Discoveries Multiple Facilities Mission