Exoplanet Name : |
HD 26161 Ab |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
28.4600 |
(Mjup) |
9048.5155 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
10.0870 |
(AU) |
10.0870 |
(AU Est.) |
Eccentricity : |
0.9220 |
Orbital Period(Yrs) |
29.9576 |
Orbital Period(Observed/Estimated) |
10942.30 |
(Days Obs.) |
11056.67 |
(Days Est.) |
Surface Gravity (G Earth) |
87.3845 |
Star Radiation at Atmospheric Boundary: |
33.1 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
107.0 |
(K) |
Blackbody T 0.3(K) |
100.5 |
(K) |
Blackbody T 0.7(K) |
81.3 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
127.3 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
119.5 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
"Radial Velocity, Astrometry" |
Mass Detection : |
Astrometry |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HD 26161 A |
Alternate Name : |
HO 327 A |
Star Distance(LY) : |
133.4 |
Stellar Radius(Rsun) : |
1.4 |
(Rsun Measured) |
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
6033 |
(K) |
Spectral type : |
F9/G0IV-V |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.0 |
Absolute Magnitude: |
3.8 |
Apparent Magnitude: |
6.9 |
Right Ascension(RA) |
62.4083 |
Declination (DEC) |
31.6522 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
|
Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
|
SIMBAD LINK |
|
Open Exoplanet Database Link |
|
![](HD_26161_Ab_CSun.png) |
![](HD_26161_Ab_CJup.png) |
![](HD_26161_Ab_CNep.png) |
![](HD_26161_Ab_CEar.png) |
/
HD 26161 Ab
HD 26161 Ab
HD 26161 Ab is an exoplanet orbiting the star HD 26161 A, located about 133.4 light-years (40.9 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star HD 26161 A has apparent magnitude of 6.9, with absolute magnitude of 3.8. It is 1.1 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 6033 with its spectral types of F9/G0IV-V
In this planetary system, the extrasolar planet HD 26161 Ab orbits around the star HD 26161 A every 10942.3 days with its orbital distance of 10.09 AU ( 1508993721.8 km)
(Projected orbit of HD 26161 Ab around its host star HD 26161 A)
![](HD_26161_Ab_Orb.png)
The Star HD 26161 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.135 AU ( 169740531.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.568 AU ( 234625772.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.390 AU ( 357517755.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.517 AU ( 526103038.3 km)
Radiation at Planetary Boundary of HD 26161 Ab : 33.06 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 26161 A)
![](HD_26161_Ab_OrbH.png)
Kopparapu Recent Venus for Star HD 26161 A distance : 1.158 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 26161 A distance : 1.466 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 26161 A distance : 1.416 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 26161 A distance : 1.552 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 26161 A distance : 2.573 AU
Kopparapu Outer Boundary for Early Mars for Star HD 26161 A distance : 2.714 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 26161 A)
![](HD_26161_Ab_OrbK.png)
Original Kopparapu Recent Venus for Star HD 26161 A distance : 1.166 AU
Original Kopparapu Runaway Greenhouse for Star HD 26161 A distance : 1.506 AU
Original Kopparapu Moist Greenhouse for Star HD 26161 A distance : 1.542 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 26161 A distance : 2.619 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 26161 A distance : 2.724 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 26161 A)
![](HD_26161_Ab_OrbKO.png)
(Position in Stellar Map of star HD 26161 A and its Exoplanet HD 26161 Ab)
![](HD_26161_Ab_STZ0.png)
(Zoomed position in Stellar Map of star HD 26161 A and its Exoplanet HD 26161 Ab (zoom level 3))
![](HD_26161_Ab_STZ3.png)
(Synthetic Spectrum of star HD 26161 A*)
![](HD_26161_Ab_Spc.png)
*Yamashiki YA et al. 2019 ApJ 881 114
MUSCLES Paper I - France et al. 2016 ApJ 820 89
MUSCLES Paper II- Youngblood et al. 2016 ApJ 824 101
MUSCLES Paper III- Loyd et al. 2016 ApJ 824 102