HR 8799 d (Q778639)

imported from Wikimedia project

SIMBAD

image

Exoplanet Comparison HR 8799 d.png
1,040 × 480; 171 KB

1 reference

English Wikipedia

Wikimedia import URL

https://en.wikipedia.org/w/index.php?title=HR_8799_d&oldid=918607799

mass

10±3 Jupiter mass

1 reference

Direct imaging of multiple planets orbiting the star HR 8799

8.3±0.6 Jupiter mass

1 reference

The Gemini Planet Imager Exoplanet Survey: giant planet and brown dwarf demographics from 10 to 100 au

catalog code

HD 218396d

catalog

Henry Draper Catalogue

1 reference

time of discovery or invention

SIMBAD

HR 8799d

catalog

Bright Star Catalogue

1 reference

TIC 245368902d

1 reference

13 November 2008

1 reference

imported from Wikimedia project

English Wikipedia

November 2008

reason for deprecated rank

item/value with less precision and/or accuracy

1 reference

Direct imaging of multiple planets orbiting the star HR 8799

Direct imaging of multiple planets orbiting the star HR 8799

2 references

inferred from equatorial coordinates

constellation

Pegasus

1 reference

based on heuristic

parent astronomical body

3 references

Direct imaging of multiple planets orbiting the star HR 8799

object stated in reference as

HR 8799

object stated in reference as

HD 218396

argument of periapsis

80.2 degree

1 reference

orbital eccentricity

0.1

1 reference

Orbital motion of HR 8799 b, c, d using Hubble space telescope data from 1998: constraints on inclination, eccentricity, and stability

0.6

1 reference

Astrometric monitoring of the HR 8799 planets: orbit constraints from self-consistent measurements

orbital inclination

28.0 degree

1 reference

Orbital motion of HR 8799 b, c, d using Hubble space telescope data from 1998: constraints on inclination, eccentricity, and stability

38.63±2.84 degree

1 reference

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system

45±8 degree

1 reference

Astrometric monitoring of the HR 8799 planets: orbit constraints from self-consistent measurements

orbital period

41,054.0 day

1 reference

Orbital motion of HR 8799 b, c, d using Hubble space telescope data from 1998: constraints on inclination, eccentricity, and stability

37,000 day

1 reference

Direct imaging of multiple planets orbiting the star HR 8799

41,627.54±2,257.24 day

1 reference

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system

semi-major axis of an orbit

24 astronomical unit

1 reference

Direct imaging of multiple planets orbiting the star HR 8799

26.97±0.73 astronomical unit

1 reference

First light of the VLT planet finder SPHERE. III. New spectrophotometry and astrometry of the HR 8799 exoplanetary system

angular distance

0.685279 arcsecond

1 reference

Extrasolar Planets Encyclopaedia exoplanet ID

HR 8799 d

parallax

24.2175±0.0881 milliarcsecond

2 references

declination component of proper motion

−49.48±0.152 milliarcsecond per year

2 references

right ascension component of proper motion

108.301±0.168 milliarcsecond per year

2 references

1.37±0.04 Jupiter radius

1 reference

Masses, radii, and cloud properties of the HR 8799 planets

1.2±0.1 Jupiter radius

1 reference

Direct imaging of multiple planets orbiting the star HR 8799

0.9 Jupiter radius

1 reference

First light of the VLT planet finder SPHERE

3 references