Planet HD 31221 b

Detailed information about planet HD 31221 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

HD 31221 b

Mass

12.0 (\pm 12.0)

M_J 1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Mass*sin(i)

—

Semi-Major Axis

0.0618 AU

Orbital Period

4.66632 (\pm 0.0001)

day 1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Eccentricity

—

ω

—

T_peri

—

Radius

1.32 (\pm 0.14)

R_J 1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Inclination

84.86 (\pm 0.2)

deg

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

0.77 (\pm 0.019)

1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Time V_r=0

—

Velocity Semiamplitude K

1463.0 (\pm 1320.0)

m/s 1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

HD 31221

Distance

124.0 (\pm 3.0)

Spectral type

A7V

Apparent magnitude V

8.0

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.447 (\pm 0.028)

M_Sun 1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Age

—

Effective temperature

7712.0 (\pm 240.0)

K 2 publications

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221
The Revised TESS Input Catalog and Candidate Target List

Radius

1.55 (\pm 0.06)

R_Sun 1 publication

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

Metallicity [Fe/H]

—

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

04:54:49.0

Dec₂₀₀₀

+22:08:47.0

Alternate Names

TOI-4597

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 31221 b

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 31221 b

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

The intermittently-resonant coevolution of migrating planets and their pulsating stars

Discovery of a substellar companion in the TESS light curve of the δ Scuti/γ Doradus hybrid pulsator HD 31221

The Revised TESS Input Catalog and Candidate Target List