Temperature
5688 K
5553 to 5742
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Stellar HostProfile
HD 63433
G5 V • 22.40 pc
Records
17
literature rows
Planets
3
system count
References
17
distinct source labels
HD: HD 63433TIC: TIC 130181866HIP: HIP 38228
Approximate color
from effective temperature
Canonical Summary
Adopted host values from one source row
Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.
Stellar source: Capistrant et al. 2024 • System source: TICv8
Mass
0.99 Msun
0.96 to 1.01
Radius
0.91 Rsun
0.90 to 0.93
Age
0.41 Gyr
0.41 to 3.30
Luminosity
-0.12 log(Lsun)
-0.13 to -0.11
Distance
22.40 pc
single adopted value
Spectral Type
G5 V
Multiple classifications reported
Planets
3
Stable across source rows
Scale Comparison
Radius against the Sun
Current adopted radius: 0.91 R☉ (circles scaled linearly by radius)
Sun
1.0 R☉ baseline
HD 63433
0.91 R☉
System Layout
Known planets
3 planets linked to this host
HD 63433 b
Transit
◌
Discovery
2020
Period
7.11 days
Radius
2.14 R⊕
Mass
21.75 M⊕
Eq. Temp
967.1 K
HD 63433 c
Transit
◌
Discovery
2020
Period
20.54 days
Radius
2.69 R⊕
Mass
15.54 M⊕
Eq. Temp
678.9 K
HD 63433 d
Transit
◌
Discovery
2023
Period
4.21 days
Radius
1.07 R⊕
Mass
—
Eq. Temp
1040 K
HD 63433 and Its Three Planets
HD 63433 is a star 73.1 light-years from Earth with a spectral type of G5 V. Its reported radius estimate is smaller than the Sun's, and its reported temperature is cooler than the Sun's. The star is 0.414 billion years old, has a mass of 0.99 solar masses, a radius of 0.912 solar radii, and a temperature of 5690 K. Three planets orbit this host.
HD 63433 b is a Super-Earth discovered by transit in 2020. Its reported radius estimate is larger than Earth's, at 2.14 Earth radii, and it has a reported upper limit of 21.755 Earth masses. Its orbital period is 7.11 days, the second-shortest among the listed planets.
HD 63433 c is a Neptune-like planet, also discovered by transit in 2020. Its reported radius estimate is larger than Earth's, at 2.69 Earth radii, and its reported mass estimate is larger than Earth's, at 15.5 Earth masses. Its mean density is 4.39 g/cm³, 0.797 times Earth's. Its orbital period is 20.5 days, the longest among the listed planets.
HD 63433 d is an Earth-like planet discovered by transit in 2023. Its reported radius estimate is larger than Earth's, at 1.07 Earth radii, the smallest among the listed planets. Its orbital period is 4.21 days, the shortest among the listed planets.
Provenance
Underlying measurements and references
Evidence Summary
Rows
17
Stellar refs
16
System refs
1
Distancestable
Parallaxstable
Temperaturedisputed
Massdisputed
Radiusdisputed
Agedisputed
Luminositydisputed
Surface Gravitydisputed
Metallicitydisputed
Spectral Typedisputed
| ST TEFF | ST MASS | ST RAD | ST AGE | ST LUM | ST SPECTYPE | SY DIST | Stellar Ref | System Ref |
|---|---|---|---|---|---|---|---|---|
| — | 1.00 | 0.91 | 0.84 | — | — | 22.40 | Takeda et al. 2007 | TICv8 |
| — | — | — | — | — | — | 22.40 | Nidever et al. 2002 | TICv8 |
| — | — | — | — | — | G0 | 22.40 | Cannon & Pickering 1918 | TICv8 |
| — | — | — | — | — | G5 V | 22.40 | Gray et al. 2003 | TICv8 |
| 5713.5 | — | 0.90 | — | -0.11 | — | 22.40 | Gaia DR2 | TICv8 |
| 5694.1 | — | 0.90 | — | — | — | 22.40 | ExoFOP | TICv8 |
| 5694.1 | 1.01 | 0.90 | — | -0.11 | — | 22.40 | TICv8 | TICv8 |
| 5640 | 0.99 | 0.91 | 0.41 | -0.12 | — | 22.40 | Mann et al. 2020 | TICv8 |
| — | — | — | — | — | — | 22.40 | Valenti & Fischer 2005 | TICv8 |
| 5553 | 0.96 | 0.93 | 0.41 | -0.13 | G5 V | 22.40 | Mallorquín et al. 2023 | TICv8 |
| — | — | — | — | — | — | 22.40 | Nordstrom et al. 2004 | TICv8 |
| 5710 | 0.99 | 0.93 | — | — | — | 22.40 | Dai et al. 2020 | TICv8 |
| — | — | — | — | — | — | 22.40 | Wright et al. 2004 | TICv8 |
| 5742 | 1 | 0.91 | 3.30 | -0.11 | G5IV | 22.40 | Turnbull 2015 | TICv8 |
| 5634 | 0.99 | 0.92 | 1.50 | -0.12 | — | 22.40 | MacDougall et al. 2023 | TICv8 |
| 5688 | 0.99 | 0.91 | 0.41 | -0.12 | G5 V | 22.40 | Capistrant et al. 2024 | TICv8 |
| 5694.1 | — | 0.90 | — | — | — | 22.40 | ExoFOP | TICv8 |