HD 65216 Overview
-
Star:
HD 65216 B
-
Star:
HD 65216 C
-
Star:
HD 65216
- Stellar Radius: 0.88 Solar Radius
- Stellar Effective Temperature: 5666.00 K
-
Planet:
HD 65216 b
- Disposition Confirmed
-
Planet:
HD 65216 c
- Disposition Confirmed
HD 65216 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| HD 65216 B | ||||||
| HD 65216 C | ||||||
| HD 65216 | ||||||
| HD 65216 b | 577.9 d | 708.76 M⨁ | Radial Velocity | 2003 | Mayor et al. 2004 | Confirmed Planet |
| HD 65216 c | 7007 d | 1055.19 M⨁ | Radial Velocity | 2013 | Wittenmyer et al. 2013 | Confirmed Planet |
HD 65216
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer et al. 2007)
- This reference contains discussion regarding the stellar multiplicity of this system. (Mugrauer 2019)
- Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)
- Co-moving stellar companion at 253 AU noted in ref. (Wallace et al. 2026)
- Planet true-mass estimate assumes coplanarity. (Wallace et al. 2026)
- Parameters supersede previous values from Wittenmyer et al. 2013 (Wittenmyer et al. 2019)
- The authors note that the data is equally well fit by a clockwise orbital inclination of 147.1 +10.9 -24.3 deg. (Wallace et al. 2026)
- Planet true-mass estimate assumes coplanarity. (Wallace et al. 2026)
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
- mV ---
- mTESS ---
- mJ ---
- mH ---
- mKs ---
- mW1 ---
- mW2 ---
- mW3 ---
- mW4 ---
- mGaia ---
- mB ---
- RA
- ---
- Dec
- ---
- Distance
- ---
- Parallax
- ---
- Ecliptic Latitude
- ---
- Ecliptic Longitude
- ---
- Galactic Latitude
- ---
- Galactic Longitude
- ---
- Total Proper Motion
- ---
- Proper Motion (RA)
- ---
- Proper Motion (Dec)
- ---
- Photometry
- mV ---
- mTESS ---
- mJ ---
- mH ---
- mKs ---
- mW1 ---
- mW2 ---
- mW3 ---
- mW4 ---
- mGaia ---
- mB ---
- RA
- 07h53m41.03s
- Dec
- -63d38m48.08s
- Distance
-
35.1205+0.0395-0.0394pc
- Parallax
- 28.4445000±0.0317328 mas
- Ecliptic Latitude
- -77.80249 deg
- Ecliptic Longitude
- 179.52144 deg
- Galactic Latitude
- -17.61436 deg
- Galactic Longitude
- 276.27361 deg
- Total Proper Motion
- 191.7550039±0.0696637 mas/yr
- Proper Motion (RA)
- -123.6320000±0.0650273 mas/yr
- Proper Motion (Dec)
- 146.5780000±0.0727826 mas/yr
- Photometry
- mV 7.97±0.03
- mTESS 7.3449±0.0060
- mJ 6.763±0.024
- mH 6.420±0.047
- mKs 6.329±0.027
- mW1 6.267±0.104
- mW2 6.167±0.026
- mW3 6.328±0.015
- mW4 6.306±0.050
- mGaia 7.794300±0.000214
- mB 8.655±0.000
-
Abundances
(Hypatia Catalog) - [Fe/H] -0.12±0.07 dex
- [C/H] -0.13±0.10 dex
- [O/H] -0.16±0.18 dex
- [Na/H] -0.15±0.11 dex
- [Mg/H] -0.05±0.08 dex
- [Al/H] -0.15±0.06 dex
- [Si/H] -0.15±0.07 dex
- [Ca/H] -0.06±0.10 dex
- [Y/H] 0.12±0.08 dex
- [BaII/H] 0.07±0.10 dex
| Source | Wallace et al. 2026 | TICv8 | Wittenmyer et al. 2019 | Gaia DR2 | Stassun et al. 2017 | Suárez-Andrés et al. 2016 | Ghezzi et al. 2010 | Sousa et al. 2008 | Gray et al. 2006 | Nordstrom et al. 2004 | Santos et al. 2004 | Mayor et al. 2004 | Michigan Catalog, Vol. 1 | Cannon & Pickering 1918 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Teff
(K)
|
--- |
5623.440+108.208-169.013
|
5612 |
5658.0000+68.3335-18.5000
|
5645±20 | 5614 | 5632±31 | 5612±16 | --- | --- | 5666±31 | 5666 | --- | --- |
|
L✶
(log10(L⦿))
|
--- |
-0.1497986+0.0093243-0.0114787
|
--- |
-0.15028857+0.00076614-0.00076748
|
--- | --- | -0.176±0.063 |
-0.151+0.013-0.013
|
--- | --- | --- | -0.149 | --- | --- |
|
Metallicity
(dex)
|
--- | -0.1684850±0.0069631 [M/H] | --- | --- | -0.16 [Fe/H] | -0.17±0.10 [N/H] | -0.16±0.02 [Fe/H] | -0.17±0.01 [Fe/H] | --- | --- | -0.12±0.04 [Fe/H] | -0.12 [Fe/H] | --- | --- |
|
γ
(km/s)
|
--- | --- | --- | 42.57244817530142±0.15683861284816 | --- | --- | --- | --- | --- | 42.3±0.2 | --- | 42.674±0.002 | --- | --- |
|
v sin i
(km/s)
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | 2 | --- | 1 | --- | --- |
|
M✶
(M⦿)
|
0.9 |
1.000000+0.152508-0.101699
|
0.874 | --- | 0.88±0.04 | --- | 0.90±0.10 | 0.874 | --- | --- | 0.94 | 0.92 | --- | --- |
|
log g
(log10(cm/s2))
|
--- |
4.5425700+0.0794141-0.0942960
|
4.44 | --- | 4.49±0.02 | 4.46 | 4.43±0.13 | 4.44±0.02 | --- | --- | 4.53±0.09 | 4.53 | --- | --- |
|
Sp. T
|
G5 V | --- | --- | --- | --- | --- | --- | --- | G5 V | --- | --- | G5 V | G5 V | G0 |
|
R✶
(R⦿)
|
--- |
0.8866440+0.0584427-0.0421905
|
--- |
0.8753515+0.0057525-0.0207669
|
0.88±0.01 | --- | 0.86±0.07 | --- | --- | --- | --- | --- | --- | --- |
|
Age
(Gyr)
|
--- | --- | --- | --- | --- | --- |
4.0+5.0-4.0
|
--- | --- | --- | --- | --- | --- | --- |
|
ρ✶
(g/cm3)
|
--- |
2.0226355+0.4110250-0.5632778
|
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
- Planetary Systems
| Source | Wallace et al. 2026 | Wittenmyer et al. 2019 | Stassun et al. 2017 | Wittenmyer et al. 2013 | Mayor et al. 2004 |
|---|---|---|---|---|---|
|
ω
(deg)
|
225+11-13
|
212±3 | --- | 0±41 | 198±6 |
|
Mp
(M⨁)
|
709+305-245
|
--- | --- | --- | --- |
|
Mp
(MJup)
|
2.23+0.96-0.77
|
--- | --- | --- | --- |
|
Mp sin i
(M⨁)
|
404+22-29
|
411.6±19.7 | 375±19 | 400.45±12.71 | 385 |
|
Mp sin i
(MJup)
|
1.27+0.07-0.09
|
1.295±0.062 | 1.18±0.06 | 1.26±0.04 | 1.21 |
|
e
|
0.25+0.04-0.03
|
0.27±0.02 | 0.41±0.06 | 0.00±0.02 | 0.41±0.06 |
|
P
(days)
|
577.9±0.5 | 577.600±1.328 | 613.09998±11.00000 | 572.4±2.1 | 613.1±11.4 |
|
a
(au)
|
1.31±0.00 | 1.301±0.020 | 1.37±0.03 | 1.30±0.03 | 1.37 |
|
TC
(days)
|
2451747.0+19.0-16.0
(JD)
|
--- | --- | --- | --- |
|
K
(m/s)
|
--- | 35.70±1.28 | 33.7±1.1 | --- | 33.7±1.1 |
|
Tp
(days)
|
--- | --- | --- | --- |
2450762±25
(JD)
|
- Status
- Confirmed Planet
- Detected By
- Astrometry, Radial Velocity
- Tools
- Planetary Systems
| Source | Wallace et al. 2026 | Wittenmyer et al. 2019 |
|---|---|---|
|
ω
(deg)
|
120±10 | 123±10 |
|
Mp sin i
(M⨁)
|
636±99 | 645±35 |
|
Mp sin i
(MJup)
|
2.00±0.31 | 2.03±0.11 |
|
e
|
0.42±0.05 | 0.17±0.04 |
|
P
(days)
|
7007+192-161
|
5370±20 |
|
K
(m/s)
|
--- | 26.0±1.2 |
|
a
(au)
|
6.92+0.13-0.11
|
5.75±0.09 |
|
Mp
(M⨁)
|
1055+445-369
|
--- |
|
Mp
(MJup)
|
3.32+1.40-1.16
|
--- |
|
i
(deg)
|
35.6+24.5-10.8
|
--- |
|
TC
(days)
|
2447086+231-245
(JD)
|
--- |
Literature Time Series
(2 File Types, 2 Files)
| File Type | Data Points | Filter | Reference |
|---|---|---|---|
| Photometric Light Curve | 115 | Hp (Hipparcos) | Hipparcos and Tycho Catalogs |
| Radial Velocity Curve | 70 | Optical Spectra | Mayor et al. 2004 |
HD 65216 B Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
HD 65216 C Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
HD 65216 Nearby Data (within 30 arcseconds) Browse Nearby Data
+
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 1 SuperWASP Time Series
- 2 Associated Literature Data
-
Joint RV-Astrometric Analysis of two-planet system HD 65216: Prospects for Gaia DR4
Wallace et al. 2026 Reference Overview -
Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release
Mugrauer 2019 Reference Overview -
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview -
Truly eccentric - I. Revisiting eight single-eccentric planetary systems
Wittenmyer et al. 2019 Reference Overview -
Gaia Data Release 2
Gaia DR2 Reference Overview -
Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes
Stassun et al. 2017 Reference Overview -
CNO behaviour in planet-harbouring stars. I. Nitrogen abundances in stars with planets
Suárez-Andrés et al. 2016 Reference Overview -
All WISE Data Release
Cutri et al. 2014 Reference Overview -
Forever alone? Testing single eccentric planetary systems for multiple companions
Wittenmyer et al. 2013 Reference Overview -
Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
Ghezzi et al. 2010 Reference Overview -
Spectroscopic parameters for 451 stars in the HARPS GTO planet search program. Stellar [Fe/H] and the frequency of exo-Neptunes
Sousa et al. 2008 Reference Overview -
The multiplicity of planet host stars - new low-mass companions to planet host stars
Mugrauer et al. 2007 Reference Overview -
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample
Gray et al. 2006 Reference Overview -
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 Reference Overview -
Spectroscopic [Fe/H] for 98 extra-solar planet-host stars. Exploring the probability of planet formation
Santos et al. 2004 Reference Overview -
The CORALIE survey for southern extra-solar planets. XII. Orbital solutions for 16 extra-solar planets discovered with CORALIE
Mayor et al. 2004 Reference Overview -
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview -
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 Reference Overview -
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview -
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview -
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 1
Michigan Catalog, Vol. 1 Reference Overview -
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview
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