(Q275966)

Exoplanet detection. Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581.

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

image

Gliese 581 Artist's impression.jpg
1,866 × 1,304; 710 KB

0 references

mass

0.0078±0.0022 Jupiter mass

1 reference

Gliese Catalogue of Nearby Stars

catalog code

GJ 581 e

catalog

1 reference

BD-07 4003e

1 reference

TIC 36853511e

1 reference

discoverer or inventor

High Accuracy Radial Velocity Planet Searcher

1 reference

imported from Wikimedia project

Russian Wikipedia

time of discovery or invention

21 April 2009

1 reference

imported from Wikimedia project

English Wikipedia

November 2009

1 reference

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

2 references

inferred from equatorial coordinates

constellation

Libra (constellation)

1 reference

based on heuristic

parent astronomical body

3 references

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

object stated in reference as

GJ 581

object stated in reference as

GJ 581

argument of periapsis

0 degree

1 reference

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

77.4±43.6 degree

1 reference

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

M sin i

0.006 Jupiter mass

1 reference

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

1.657±0.24 Earth mass

1 reference

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

reason for deprecated rank

1.7±0.2 Earth mass

item/value with less precision and/or accuracy

2 references

The Lick-Carnegie exoplanet survey: a 3.1 M_{oplus}_ planet in the habitable zone of the nearby M3V star Gliese 581

Exoplanet detection. Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581.

0.005214±0.00076 Jupiter mass

1 reference

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

orbital eccentricity

0.125±0.078

1 reference

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

reason for deprecated rank

0

item/value with less precision and/or accuracy

2 references

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

The Lick-Carnegie exoplanet survey: a 3.1 M_{oplus}_ planet in the habitable zone of the nearby M3V star Gliese 581

0±0.06

1 reference

Exoplanet detection. Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581.

orbital inclination

47±14.6 degree

1 reference

orbital period

3.14942±0.00045 day

1 reference

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

3.149±0.0002 day

1 reference

Exoplanet detection. Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581.

3.14867±0.00039 day

1 reference

The Lick-Carnegie exoplanet survey: a 3.1 M_{oplus}_ planet in the habitable zone of the nearby M3V star Gliese 581

3.153±0.006 day

1 reference

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

semi-major axis of an orbit

0.03 astronomical unit

reason for deprecated rank

item/value with less precision and/or accuracy

1 reference

The HARPS search for southern extra-solar planets. XVIII. An Earth-mass planet in the GJ 581 planetary system

0.02815±0.00006 astronomical unit

1 reference

Exoplanet detection. Stellar activity masquerading as planets in the habitable zone of the M dwarf Gliese 581.

0.0284533±0.0000023 astronomical unit

1 reference

The Lick-Carnegie exoplanet survey: a 3.1 M_{oplus}_ planet in the habitable zone of the nearby M3V star Gliese 581

0.029±0.001 astronomical unit

1 reference

The CARMENES search for exoplanets around M dwarfs. First visual-channel radial-velocity measurements and orbital parameter updates of seven M-dwarf planetary systems

declination component of proper motion

parallax

158.7492±0.0523 milliarcsecond

2 references

−97.129±0.079 milliarcsecond per year

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right ascension component of proper motion

−1,221.467±0.093 milliarcsecond per year

2 references

3 references