HR 8799 c (Q1335138)

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

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

1 reference

1 reference

unconfirmed exoplanet

1 reference

imported from Wikimedia project

SIMBAD

image

Exoplanet Comparison HR 8799 c.png
1,040 × 480; 154 KB

1 reference

English Wikipedia

Wikimedia import URL

https://en.wikipedia.org/w/index.php?title=HR_8799_c&oldid=916957901

mass

10±3 Jupiter mass

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8.3 Jupiter mass

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

catalog code

HD 218396c

catalog

Henry Draper Catalogue

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time of discovery or invention

SIMBAD

HR 8799c

catalog

Bright Star Catalogue

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TIC 245368902c

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13 November 2008

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imported from Wikimedia project

English Wikipedia

November 2008

reason for deprecated rank

item/value with less precision and/or accuracy

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2 references

inferred from equatorial coordinates

constellation

Pegasus

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based on heuristic

parent astronomical body

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object stated in reference as

HR 8799

object stated in reference as

HR 8799

orbital eccentricity

0.0

reason for deprecated rank

item/value with less precision and/or accuracy

2 references

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

0.5

1 reference

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

orbital inclination

28.0 degree

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

37±12 degree

1 reference

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

29.43±0.35 degree

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

orbital period

82,145.0 day

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

69,000 day

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67,571.25 day

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

83,255.09±4,510.84 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

42.9 astronomical unit

1 reference

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

38 astronomical unit

1 reference

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

42.81±1.16 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

1.088832 arcsecond

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Extrasolar Planets Encyclopaedia exoplanet ID

HR 8799 c

parallax

24.2175±0.0881 milliarcsecond

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declination component of proper motion

−49.48±0.152 milliarcsecond per year

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right ascension component of proper motion

108.301±0.168 milliarcsecond per year

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1.3 Jupiter radius

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Spatially resolved spectroscopy of the exoplanet HR 8799 C

1.2±0.1 Jupiter radius

1 reference

reason for deprecated rank

1 Jupiter radius

item/value with less precision and/or accuracy

1 reference

First light of the VLT planet finder SPHERE

3 references