|
Exoplanet Name : |
HD 211847 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
19.2000 |
(Mjup) |
6104.4096 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
7.5000 |
(AU) |
7.5000 |
(AU Est.) |
|
Eccentricity : |
0.6850 |
|
Orbital Period(Yrs) |
21.7106 |
|
Orbital Period(Observed/Estimated) |
7930.00 |
(Days Obs.) |
7737.81 |
(Days Est.) |
|
Surface Gravity (G Earth) |
58.9523 |
|
Star Radiation at Atmospheric Boundary: |
19.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
93.3 |
(K) |
|
Blackbody T 0.3(K) |
87.6 |
(K) |
|
Blackbody T 0.7(K) |
70.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
110.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
104.2 |
(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 211847 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
165.1 |
|
Stellar Radius(Rsun) : |
0.9 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
|
Star Age : |
3.0 |
(GY) |
|
Temperature : |
5715 |
(K) |
|
Spectral type : |
G5V |
|
UV portion[%]: |
7.6 |
|
Visible portion[%]: |
44.5 |
|
IR portion[%]: |
47.9 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
5.3 |
|
Apparent Magnitude: |
8.8 |
|
Right Ascension(RA) |
335.2323 |
|
Declination (DEC) |
-41.4300 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
07999-00304 |
|
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+211847+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
HD 211847 b
HD 211847 b
HD 211847 b is an exoplanet orbiting the star HD 211847, located about 165.1 light-years (50.6 pc) away from Solar System. Its discovery was publicly announced on 2011.
The host star HD 211847 has apparent magnitude of 8.8, with absolute magnitude of 5.3. It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5715 with its spectral types of G5V
In this planetary system, the extrasolar planet HD 211847 b orbits around the star HD 211847 every 7930.0 days with its orbital distance of 7.50 AU ( 1121984030.2 km)
(Projected orbit of HD 211847 b around its host star HD 211847)
The Star HD 211847 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.641 AU ( 95847607.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.886 AU ( 132486441.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.349 AU ( 201880017.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.986 AU ( 297075289.3 km)
Radiation at Planetary Boundary of HD 211847 b : 19.07 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 211847)
Kopparapu Recent Venus for Star HD 211847 distance : 0.667 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 211847 distance : 0.844 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 211847 distance : 0.815 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 211847 distance : 0.894 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 211847 distance : 1.493 AU
Kopparapu Outer Boundary for Early Mars for Star HD 211847 distance : 1.575 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 211847)
Original Kopparapu Recent Venus for Star HD 211847 distance : 0.667 AU
Original Kopparapu Runaway Greenhouse for Star HD 211847 distance : 0.868 AU
Original Kopparapu Moist Greenhouse for Star HD 211847 distance : 0.882 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 211847 distance : 1.519 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 211847 distance : 1.580 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 211847)
(Position in Stellar Map of star HD 211847 and its Exoplanet HD 211847 b)
(Zoomed position in Stellar Map of star HD 211847 and its Exoplanet HD 211847 b (zoom level 3))
(Synthetic Spectrum of star HD 211847*)
*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
