|
Exoplanet Name : |
HD 220842 A b |
|
Alternate Name : |
HD 220842 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
3.1800 |
(Mjup) |
1011.0428 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.7400 |
(AU) |
0.7400 |
(AU Est.) |
|
Eccentricity : |
0.4040 |
|
Orbital Period(Yrs) |
0.5981 |
|
Orbital Period(Observed/Estimated) |
218.47 |
(Days Obs.) |
218.73 |
(Days Est.) |
|
Surface Gravity (G Earth) |
9.7640 |
|
Star Radiation at Atmospheric Boundary: |
3254.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
337.1 |
(K) |
|
Blackbody T 0.3(K) |
316.6 |
(K) |
|
Blackbody T 0.7(K) |
256.2 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
400.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
376.5 |
(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 220842 A |
|
Alternate Name : |
HD 220842 |
|
Star Distance(LY) : |
212.2 |
|
Stellar Radius(Rsun) : |
1.1 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5920 |
(K) |
|
Spectral type : |
F8 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
3.9 |
|
Apparent Magnitude: |
8.0 |
|
Right Ascension(RA) |
351.6541 |
|
Declination (DEC) |
56.8867 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
04007-01108 |
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+220842+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
HD 220842 A b
HD 220842 A b
HD 220842 A b is an exoplanet orbiting the star HD 220842 A, located about 212.2 light-years (65.1 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star HD 220842 A has apparent magnitude of 8.0, with absolute magnitude of 3.9. It is 1.1 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5920 with its spectral types of F8
In this planetary system, the extrasolar planet HD 220842 A b orbits around the star HD 220842 A every 218.5 days with its orbital distance of 0.74 AU ( 110702424.3 km)
(Projected orbit of HD 220842 A b around its host star HD 220842 A)
The Star HD 220842 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.826 AU ( 123554504.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.142 AU ( 170784614.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.740 AU ( 260237957.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.560 AU ( 382951554.2 km)
Radiation at Planetary Boundary of HD 220842 A b : 3254.93 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 220842 A)
Kopparapu Recent Venus for Star HD 220842 A distance : 0.849 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 220842 A distance : 1.075 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 220842 A distance : 1.038 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 220842 A distance : 1.138 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 220842 A distance : 1.891 AU
Kopparapu Outer Boundary for Early Mars for Star HD 220842 A distance : 1.995 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 220842 A)
Original Kopparapu Recent Venus for Star HD 220842 A distance : 0.852 AU
Original Kopparapu Runaway Greenhouse for Star HD 220842 A distance : 1.104 AU
Original Kopparapu Moist Greenhouse for Star HD 220842 A distance : 1.128 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 220842 A distance : 1.925 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 220842 A distance : 2.001 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 220842 A)
(Position in Stellar Map of star HD 220842 A and its Exoplanet HD 220842 A b)
(Zoomed position in Stellar Map of star HD 220842 A and its Exoplanet HD 220842 A b (zoom level 3))
(Synthetic Spectrum of star HD 220842 A*)
*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
