HD 40307 c (Q1039931)

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles

The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 M_{Earth}_)

mass

0.0202 Jupiter mass

1 reference

High Accuracy Radial Velocity Planet Searcher

catalog code

HD 40307c

catalog

Henry Draper Catalogue

1 reference

TIC 374859347c

1 reference

discoverer or inventor

1 reference

imported from Wikimedia project

Russian Wikipedia

time of discovery or invention

16 June 2008

1 reference

imported from Wikimedia project

English Wikipedia

January 2009

1 reference

The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 M_{Earth}_)

The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 M_{Earth}_)

2 references

inferred from equatorial coordinates

constellation

Pictor

1 reference

based on heuristic

parent astronomical body

3 references

The HARPS search for southern extra-solar planets. XIII. A planetary system with 3 super-Earths (4.2, 6.9, and 9.2 M_{Earth}_)

object stated in reference as

HD 40307

object stated in reference as

HD 40307

argument of periapsis

234.0 degree

1 reference

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

234.9 degree

2 references

A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

M sin i

6.43±0.44 Earth mass

1 reference

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles

6.6±1.1 Earth mass

2 references

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g

0.0202 Jupiter mass

1 reference

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles

orbital eccentricity

0.05±0.06

1 reference

New wavelength calibration of the HARPS spectrograph

0.05777±0.03609

1 reference

A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g

0.06±0.11

1 reference

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

0.103

1 reference

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles

orbital period

9.6183±0.0016825 day

1 reference

A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g

9.6184±0.005 day

1 reference

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

9.6207±0.0012 day

1 reference

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles

semi-major axis of an orbit

0.08113±0.00002 astronomical unit

1 reference

A dynamical study on the habitability of terrestrial exoplanets - II The super-Earth HD 40307 g

0.0799±0.004 astronomical unit

1 reference

Habitable-zone super-Earth candidate in a six-planet system around the K2.5V star HD 40307

0.0812±0.0018 astronomical unit

1 reference

The HARPS search for southern extra-solar planets. XXXVIII. Bayesian re-analysis of three systems. New super-Earths, unconfirmed signals, and magnetic cycles

declination component of proper motion

parallax

77.2727±0.0276 milliarcsecond

2 references

−60.151±0.06 milliarcsecond per year

2 references

right ascension component of proper motion

−52.423±0.065 milliarcsecond per year

2 references

3 references