Planet HIP 90988 Ab

Detailed information about planet HIP 90988 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HIP 90988 Ab

Planet Status

Confirmed

Discovered in

2020

Publication Status

—

Update

2024-07-28

Mass

—

Mass*sin(i)

1.96 (\pm 0.09)

M_J 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Semi-Major Axis

1.26 (\pm 0.01)

AU 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Orbital Period

453.9 (\pm 2.0)

day 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Eccentricity

0.08 (\pm 0.05)

1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Angular distance

—

ω

161.6 (\pm 23.9)

deg 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

T_peri

2455309.2 (\pm 30.2)

JD 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Radius

—

Inclination

—

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

43.6 (\pm 2.1)

m/s 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

HIP 90988 A

Distance

94.29 (\pm 0.5)

pc 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Spectral type

K1III

Apparent magnitude V

7.8

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.3 (\pm 0.08)

M_Sun 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Age

—

Effective temperature

4884.0 (\pm 58.0)

K 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Radius

3.94 (\pm 0.04)

R_Sun 1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Metallicity [Fe/H]

0.17 (\pm 0.06)

1 publication

Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

18:33:33.0

Dec₂₀₀₀

-50:12:42.0

Alternate Names

—

Feng et al. (2020) detect an outer low-mass companion star (m_B = 101 M_Jup) in eccentric orbit (a = 7.486 AUs, e = 0.289).

No link

Simbad
Most recent references (ADS)

Planet HIP 90988 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet HIP 90988 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

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Four Jovian planets around low-luminosity giant stars observed by the EXPRESS and PPPS

The future influence of six exoplanets on the envelope properties of their parent stars on the giant branches