(Q5175703)

unconfirmed exoplanet

1 reference

1 reference

Gamma1 Leonis b.png
1,280 × 730; 321 KB

0 references

mass

63.88 Jupiter mass

1 reference

time of discovery or invention

catalog code

HD 89484b

catalog

Henry Draper Catalogue

1 reference

TIC 95431294b

1 reference

6 November 2009

1 reference

imported from Wikimedia project

English Wikipedia

January 2010

1 reference

Detection of a planetary companion around the giant star γ1Leonis

Detection of a planetary companion around the giant star γ1Leonis

2 references

inferred from equatorial coordinates

constellation

Leo

1 reference

based on heuristic

parent astronomical body

2 references

Detection of a planetary companion around the giant star γ1Leonis

object stated in reference as

gam1 Leo

argument of periapsis

206.7±9.2 degree

1 reference

Detection of a planetary companion around the giant star γ1Leonis

M sin i

8.78±1 Jupiter mass

1 reference

Detection of a planetary companion around the giant star γ1Leonis

orbital eccentricity

0.144±0.046

2 references

Detection of a planetary companion around the giant star γ1Leonis

orbital inclination

172.1 degree

1 reference

Mass constraints on substellar companion candidates from the re-reducedHipparcosintermediate astrometric data: nine confirmed planets and two confirmed brown dwarfs

orbital period

428.5±1.25 day

1 reference

Detection of a planetary companion around the giant star γ1Leonis

semi-major axis of an orbit

1.19±0.02 astronomical unit

1 reference

Detection of a planetary companion around the giant star γ1Leonis

parallax

25.07±0.52 milliarcsecond

2 references

Validation of the new Hipparcos reduction

declination component of proper motion

SIMBAD

−154.28±0.36 milliarcsecond per year

2 references

Validation of the new Hipparcos reduction

right ascension component of proper motion

SIMBAD

304.3±0.71 milliarcsecond per year

2 references

Validation of the new Hipparcos reduction

3 references

right ascension

154.993208 degree

1 reference

Detection of a planetary companion around the giant star γ1Leonis

declination

19.841389 degree

1 reference

Detection of a planetary companion around the giant star γ1Leonis