(Q17629642)

unconfirmed exoplanet

1 reference

1 reference

0.0322 Jupiter mass

1 reference

time of discovery or invention

catalog code

HD 21693b

catalog

Henry Draper Catalogue

1 reference

TIC 197792776b

1 reference

2011

1 reference

February 2019

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

2 references

inferred from equatorial coordinates

constellation

Reticulum

1 reference

based on heuristic

parent astronomical body

3 references

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

object stated in reference as

HD 21693

object stated in reference as

HD 21693

argument of periapsis

−91.04±50.57 degree

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

M sin i

0.0259±0.0034 Jupiter mass

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

0.0322 Jupiter mass

1 reference

orbital eccentricity

0.26±0.17

1 reference

0.12±0.09

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

orbital period

22.6786±0.0087 day

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

22.6786±0.0087 day

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

22.656 day

1 reference

semi-major axis of an orbit

0.1455±0.0063 astronomical unit

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

0.1484 astronomical unit

1 reference

declination component of proper motion

angular distance

0.00458 arcsecond

0 references

parallax

30.0417±0.0313 milliarcsecond

2 references

94.648±0.054 milliarcsecond per year

2 references

right ascension component of proper motion

248.654±0.056 milliarcsecond per year

2 references

3 references

right ascension

51.8040469 degree

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions

declination

−58.3232726 degree

1 reference

The HARPS search for southern extra-solar planets. XLIV. Eight HARPS multi-planet systems hosting 20 super-Earth and Neptune-mass companions