HD 13808 c (Q17629616)

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

unconfirmed exoplanet

1 reference

1 reference

0.0315±0.0038 Jupiter mass

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time of discovery or invention

catalog code

HD 13808c

catalog

Henry Draper Catalogue

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TIC 220022156c

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2011

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February 2021

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The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

2 references

inferred from equatorial coordinates

constellation

Eridanus

1 reference

based on heuristic

parent astronomical body

3 references

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

object stated in reference as

HD 13808

object stated in reference as

HD 13808

M sin i

9.96±1.8 Earth mass

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

0.0315±0.0038 Jupiter mass

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

orbital eccentricity

0.21±0.17

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The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

0.156±0.061

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

orbital period

53.753±0.082 day

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The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

53.804±0.052 day

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

semi-major axis of an orbit

0.2554±0.0028 astronomical unit

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

0.2558±0.0024 astronomical unit

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

angular distance

0.008657 arcsecond

1 reference

Extrasolar Planets Encyclopaedia exoplanet ID

HD 13808 c

parallax

35.3938±0.0321 milliarcsecond

2 references

declination component of proper motion

30.975±0.045 milliarcsecond per year

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right ascension component of proper motion

−107.923±0.052 milliarcsecond per year

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3 references

right ascension

33.1780708 degree

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection

declination

−53.7437591 degree

1 reference

The HARPS search for southern extra-solar planets – XLV. Two Neptune mass planets orbiting HD 13808: a study of stellar activity modelling’s impact on planet detection