Planet AB Aur d

Detailed information about planet AB Aur d and its parameters.

Planet

Name
AB Aur d
Planet Status
Candidate
Discovered in
2026
Publication
Status
Published in a refereed paper
Update
2026-03-03
Mass
Mass*sin(i)
Semi-Major Axis
Orbital Period
Eccentricity
Angular distance
ω
Tperi
Radius
Inclination
Detection Method
Imaging
Mass Meas. Method
Theoretical
Radius Meas. Method
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names
Data Source Type Result Value Result Figure Notes Reference
Molecule Data Source Type Result Value Result Figure Notes Reference

Kozdon et al. (2026): identified source is assumed to be a massive planet with a circumplanetary disk whose maximum extent is about 5 AUs.

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Star

Name
AB Aur
Distance
Spectral type
A0V
Apparent magnitude V
7.06
Apparent magnitude I
Apparent magnitude J
Apparent magnitude H
Apparent magnitude K
Mass
Age
Effective temperature
Radius
2.28 RSun
Metallicity [Fe/H]
Detected Disc
Magnetic Field
RA2000
04:55:46.0
Dec2000
+30:33:04.0
Alternate Names
HD 31293

The G type protostar SU Auri (spT G2IIIne) forms a comoving pair with AB Aur about 30,000 AUs away.

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