Exoplanet Name : |
HD 103197 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.2553 |
(Rjup) |
2.8615 |
(Rearth) |
Mass (Mjup / Me): |
0.0980 |
(Mjup) |
31.1579 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.2490 |
(AU) |
0.2490 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.1310 |
Orbital Period(Observed/Estimated) |
47.84 |
(Days Obs.) |
47.84 |
(Days Est.) |
Surface Gravity (G Earth) |
3.8052 |
Star Radiation at Atmospheric Boundary: |
11103.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
458.1 |
(K) |
Blackbody T 0.3(K) |
430.2 |
(K) |
Blackbody T 0.7(K) |
348.1 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
544.8 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
511.7 |
(K) |
Size Class: |
sub-Neptune-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 103197 |
Alternate Name : |
|
Star Distance(LY) : |
183.9 |
Stellar Radius(Rsun) : |
0.8 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
Star Age : |
9.1 |
(GY) |
Temperature : |
5303 |
(K) |
Spectral type : |
K1V |
UV portion[%]: |
5.8 |
Visible portion[%]: |
41.5 |
IR portion[%]: |
52.7 |
Metalicity : |
0.2 |
Absolute Magnitude: |
5.7 |
Apparent Magnitude: |
9.4 |
Right Ascension(RA) |
178.2207 |
Declination (DEC) |
-50.2928 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
08224-00925 |
Discovered by |
|
Discovery Paper - Authors |
0 |
Discovery Paper - Title |
|
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+103197+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20103197%20b/ |
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HD 103197 b
HD 103197 b
HD 103197 b is an exoplanet orbiting the star HD 103197, located about 183.9 light-years (56.4 pc) away from Solar System. Its discovery was publicly announced on 2009.
The host star HD 103197 has apparent magnitude of 9.4, with absolute magnitude of 5.7. It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 5303 with its spectral types of K1V
In this planetary system, the extrasolar planet HD 103197 b orbits around the star HD 103197 every 47.8 days with its orbital distance of 0.25 AU ( 37249869.8 km)
(Projected orbit of HD 103197 b around its host star HD 103197)
The Star HD 103197 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.513 AU ( 76784805.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.709 AU ( 106136667.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.081 AU ( 161728792.9 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.591 AU ( 237991003.6 km)
Radiation at Planetary Boundary of HD 103197 b : 11103.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 103197)
Kopparapu Recent Venus for Star HD 103197 distance : 0.547 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 103197 distance : 0.692 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 103197 distance : 0.669 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 103197 distance : 0.733 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 103197 distance : 1.241 AU
Kopparapu Outer Boundary for Early Mars for Star HD 103197 distance : 1.308 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 103197)
Original Kopparapu Recent Venus for Star HD 103197 distance : 0.543 AU
Original Kopparapu Runaway Greenhouse for Star HD 103197 distance : 0.713 AU
Original Kopparapu Moist Greenhouse for Star HD 103197 distance : 0.718 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 103197 distance : 1.262 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 103197 distance : 1.312 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 103197)
(Position in Stellar Map of star HD 103197 and its Exoplanet HD 103197 b)
(Zoomed position in Stellar Map of star HD 103197 and its Exoplanet HD 103197 b (zoom level 3))
(Synthetic Spectrum of star HD 103197*)
*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