(Q16928146)

unconfirmed exoplanet

1 reference

1 reference

0.01677 Jupiter mass

1 reference

time of discovery or invention

catalog code

HD 20781c

catalog

Henry Draper Catalogue

1 reference

TIC 144503312c

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

Fornax

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 20781

object stated in reference as

HD 20781

argument of periapsis

7.44±70.21 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

0.0168±0.0022 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

0.01677 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

orbital eccentricity

0.09±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

0.09±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

13.8905±0.0034 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

13.8905±0.0034 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

semi-major axis of an orbit

0.1004±0.0051 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

angular distance

0.009763 arcsecond

1 reference

parallax

27.8123±0.0239 milliarcsecond

2 references

declination component of proper motion

−66.614±0.019 milliarcsecond per year

2 references

right ascension component of proper motion

348.869±0.015 milliarcsecond per year

2 references

3 references

right ascension

50.01226190937542 degree

2 references

declination

−28.78383068486973 degree

2 references