Exoplanet Name : |
HD 108341 A b |
Alternate Name : |
HD 108341 b |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
3.5000 |
(Mjup) |
1112.7830 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
2.0000 |
(AU) |
2.0000 |
(AU Est.) |
Eccentricity : |
0.8500 |
Orbital Period(Yrs) |
3.0909 |
Orbital Period(Observed/Estimated) |
1129.00 |
(Days Obs.) |
1125.18 |
(Days Est.) |
Surface Gravity (G Earth) |
10.7465 |
Star Radiation at Atmospheric Boundary: |
131.7 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
151.2 |
(K) |
Blackbody T 0.3(K) |
142.0 |
(K) |
Blackbody T 0.7(K) |
114.9 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
179.8 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
168.9 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HD 108341 A |
Alternate Name : |
HD 108341 |
Star Distance(LY) : |
161.1 |
Stellar Radius(Rsun) : |
0.8 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
Star Age : |
4.9 |
(GY) |
Temperature : |
5122 |
(K) |
Spectral type : |
K2V |
UV portion[%]: |
4.1 |
Visible portion[%]: |
38.8 |
IR portion[%]: |
57.0 |
Metalicity : |
0.0 |
Absolute Magnitude: |
5.9 |
Apparent Magnitude: |
9.4 |
Right Ascension(RA) |
186.8808 |
Declination (DEC) |
-71.4231 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
09236-02866 |
Discovered by |
|
Discovery Paper - Authors |
"C. Moutou, G. Lo Curto, M. Mayor, F. Bouchy, W. Benz, C. Lovis, D. Naef, F. Pepe, D. Queloz, N.C. Santos, D. Segransan, S. G. Sousa, S. Udry" |
Discovery Paper - Title |
The HARPS search for southern extra-solar planets XXXVI: Five new long-period giant planets and a system update |
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+108341+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20108341%20b/ |
![](HD_108341_A_b_CSun.png) |
![](HD_108341_A_b_CJup.png) |
![](HD_108341_A_b_CNep.png) |
![](HD_108341_A_b_CEar.png) |
/
HD 108341 A b
HD 108341 A b
HD 108341 A b is an exoplanet orbiting the star HD 108341 A, located about 161.1 light-years (49.4 pc) away from Solar System. Its discovery was publicly announced on 2014.
The host star HD 108341 A has apparent magnitude of 9.4, with absolute magnitude of 5.9. It is 0.8 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5122 with its spectral types of K2V
In this planetary system, the extrasolar planet HD 108341 A b orbits around the star HD 108341 A every 1129.0 days with its orbital distance of 2.00 AU ( 299195741.4 km)
(Projected orbit of HD 108341 A b around its host star HD 108341 A)
![](HD_108341_A_b_Orb.png)
The Star HD 108341 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.449 AU ( 67168299.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.621 AU ( 92844142.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.946 AU ( 141473927.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.392 AU ( 208185081.5 km)
Radiation at Planetary Boundary of HD 108341 A b : 131.69 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 108341 A)
![](HD_108341_A_b_OrbH.png)
Kopparapu Recent Venus for Star HD 108341 A distance : 0.483 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 108341 A distance : 0.611 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 108341 A distance : 0.590 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 108341 A distance : 0.648 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 108341 A distance : 1.103 AU
Kopparapu Outer Boundary for Early Mars for Star HD 108341 A distance : 1.163 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 108341 A)
![](HD_108341_A_b_OrbK.png)
Original Kopparapu Recent Venus for Star HD 108341 A distance : 0.478 AU
Original Kopparapu Runaway Greenhouse for Star HD 108341 A distance : 0.630 AU
Original Kopparapu Moist Greenhouse for Star HD 108341 A distance : 0.633 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 108341 A distance : 1.121 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 108341 A distance : 1.166 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 108341 A)
![](HD_108341_A_b_OrbKO.png)
(Position in Stellar Map of star HD 108341 A and its Exoplanet HD 108341 A b)
![](HD_108341_A_b_STZ0.png)
(Zoomed position in Stellar Map of star HD 108341 A and its Exoplanet HD 108341 A b (zoom level 3))
![](HD_108341_A_b_STZ3.png)
(Synthetic Spectrum of star HD 108341 A*)
![](HD_108341_A_b_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