Confirmed Exoplanet Discovered 2019

NY Vir c

A gas giant orbiting the o-type blue giant NY Vir, located approximately 1,774.4 light-years from Earth.

Key parameters at a glance

  • A radius of 12.80 Earth radii
  • A mass of 1,760.78 Earth masses
  • Surface gravity around 10.75 g
  • An orbital period of 8,799.000 days
  • Distance from Earth 1,774.37 light-years
  • Earth Similarity Index 0.435
  • Travel time at Voyager 1 speed 31,290,959 years

1 sibling around NY Vir

NY Vir c shares its host star with 1 other confirmed planet. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
NY Vir b Gas Giant 13.30 730.98 3,160.000 2011
NY Vir c this Gas Giant 12.80 1,760.78 8,799.000 2019
brightness_6

Circumbinary planet

NY Vir c orbits a binary-star pair rather than a single host — a minority architecture in the confirmed catalogue.

NY Vir c Planet Profile

Physical Specs

Radius
12.80 R⊕
Radius (Jupiter)
1.140 R♃
Mass
1,760.78 M⊕
Mass (Jupiter)
5.540 M♃
Density
4.61 g/cm³
Surface Gravity
10.75 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.435
HZ Position Unknown
Controversial No

Discovery

Year 2019
Method Eclipse Timing Variations
Facility Winer Observatory
Telescope 0.51 m Telescope

Size rank in cohort

Rank by radius

#1063of 1771

top 60.0%

This planet

12.80R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth NY Vir c Jupiter
Radius (R⊕)1.0012.8011.21
Mass (M⊕)1.001,760.78317.83
Density (g/cm³)5.514.611.33
Surface Gravity (g)1.0010.752.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Minimum mass (M sin i) 1,760.778 M⊕ Lower bound from radial-velocity fitting.

Star Catalogue Identifiers

TIC

TIC 175402069

Gaia DR2

Gaia DR2 3637481302758519040

Gaia DR3

Gaia DR3 3637481302758519040

System

NY Vir

Percentile among Gas Giant cohort

Radius 12.800 R⊕ · percentile 37 / cohort 1771
Mass 1,760.778 M⊕ · percentile 77 / cohort 1747
Orbital period 8,799.00 d · percentile 95 / cohort 1533
Distance 544.02 pc · percentile 77 / cohort 1759
ESI 0.435 · percentile 96 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
8,799.000 days
Semi-major axis
AU
Eccentricity
0.150
Inclination
°

Year Length

A year here lasts about 24.09 Earth years on a mildly elliptical path.

Eq. Temperature

 

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.435

0 = alien, 1 = Earth-identical

Discovery Paper

Primary reference

Song et al. 2019

Instrument

SBIG 6303e CCD Camera

Publication

2019-05

Observation locale

Ground

Host System: NY Vir

Spectral Class

O-type blue giant

Effective Temperature

32,780 K — hotter than the Sun (5,778 K)

Estimated Age

Stellar Radius

0.151 R☉

Stellar Mass

0.459 M☉

Metallicity [Fe/H]

Distance
544.02 parsec
Light-years 1,774.37 ly
V-band magnitude
13.50 mag
Voyager-speed travel 31,290,959 yr

Multi-band Host Photometry — 16 bands

9.216.412.93U13.43B13.50V13.39Gaia14.02TESS13.74Sloan g13.58Sloan r16.36Sloan i14.23Sloan z14.59J14.65H14.64K14.21W114.28W212.94W39.25W4

Astrometric Data

Parallax

1.812 mas

Total Proper Motion

13.391 mas/yr

PM Right Ascension

-6.11 mas/yr

PM Declination

-11.91 mas/yr

Galactic Cartesian (pc)

x = -0.908 · y = -0.418 · z = -0.035

Equatorial (J2000)

RA 204.70058° · Dec -2.03039°

Galactic ℓ, b

326.172° · 58.688°

Ecliptic λ, β

203.627° · 7.678°

HTM-20 index

-661795

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