|
Exoplanet Name : |
HD 82943 c |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
14.4000 |
(Mjup) |
4578.3072 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.7460 |
(AU) |
0.7460 |
(AU Est.) |
|
Eccentricity : |
0.4250 |
|
Orbital Period(Yrs) |
0.6004 |
|
Orbital Period(Observed/Estimated) |
219.30 |
(Days Obs.) |
216.65 |
(Days Est.) |
|
Surface Gravity (G Earth) |
44.2142 |
|
Star Radiation at Atmospheric Boundary: |
3290.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
338.0 |
(K) |
|
Blackbody T 0.3(K) |
317.5 |
(K) |
|
Blackbody T 0.7(K) |
256.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
402.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
377.5 |
(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 82943 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
90.2 |
|
Stellar Radius(Rsun) : |
1.1 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
3.1 |
(GY) |
|
Temperature : |
5874 |
(K) |
|
Spectral type : |
G0 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.3 |
|
Absolute Magnitude: |
4.3 |
|
Apparent Magnitude: |
6.5 |
|
Right Ascension(RA) |
143.7083 |
|
Declination (DEC) |
-12.1294 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
05469-01000 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"Xianyu Tan , Matthew J. Payne , Man Hoi Lee , Eric B. Ford , Andrew W. Howard , John. A. Johnson , Geoff W. Marcy , Jason T. Wright " |
|
Discovery Paper - Title |
Characterizing the Orbital and Dynamical State of the HD 82943 Planetary System With Keck Radial Velocity Data |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+82943+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%2082943%20c/ |
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HD 82943 c
HD 82943 c
HD 82943 c is an exoplanet orbiting the star HD 82943, located about 90.2 light-years (27.7 pc) away from Solar System. Its discovery was publicly announced on 2003.
The host star HD 82943 has apparent magnitude of 6.5, with absolute magnitude of 4.3. It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5874 with its spectral types of G0
In this planetary system, the extrasolar planet HD 82943 c orbits around the star HD 82943 every 219.3 days with its orbital distance of 0.75 AU ( 111600011.5 km)
(Projected orbit of HD 82943 c around its host star HD 82943)
The Star HD 82943 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.837 AU ( 125240277.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.157 AU ( 173114792.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.763 AU ( 263788632.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.595 AU ( 388176529.0 km)
Radiation at Planetary Boundary of HD 82943 c : 3290.78 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 82943)
Kopparapu Recent Venus for Star HD 82943 distance : 0.863 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 82943 distance : 1.092 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 82943 distance : 1.055 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 82943 distance : 1.157 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 82943 distance : 1.924 AU
Kopparapu Outer Boundary for Early Mars for Star HD 82943 distance : 2.030 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 82943)
Original Kopparapu Recent Venus for Star HD 82943 distance : 0.865 AU
Original Kopparapu Runaway Greenhouse for Star HD 82943 distance : 1.122 AU
Original Kopparapu Moist Greenhouse for Star HD 82943 distance : 1.145 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 82943 distance : 1.958 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 82943 distance : 2.037 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 82943)
(Position in Stellar Map of star HD 82943 and its Exoplanet HD 82943 c)
(Zoomed position in Stellar Map of star HD 82943 and its Exoplanet HD 82943 c (zoom level 3))
(Synthetic Spectrum of star HD 82943*)
*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
