Exoplanet Name : |
HD 95872 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
4.6000 |
(Mjup) |
1462.5148 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
5.2000 |
(AU) |
5.2000 |
(AU Est.) |
Eccentricity : |
0.0600 |
Orbital Period(Yrs) |
11.9778 |
Orbital Period(Observed/Estimated) |
4375.00 |
(Days Obs.) |
4443.58 |
(Days Est.) |
Surface Gravity (G Earth) |
14.1240 |
Star Radiation at Atmospheric Boundary: |
30.6 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
105.0 |
(K) |
Blackbody T 0.3(K) |
98.6 |
(K) |
Blackbody T 0.7(K) |
79.8 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
124.9 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
117.3 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HD 95872 |
Alternate Name : |
|
Star Distance(LY) : |
221.7 |
Stellar Radius(Rsun) : |
0.9 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
Star Age : |
10.0 |
(GY) |
Temperature : |
5312 |
(K) |
Spectral type : |
K0V |
UV portion[%]: |
5.9 |
Visible portion[%]: |
41.6 |
IR portion[%]: |
52.6 |
Metalicity : |
0.4 |
Absolute Magnitude: |
5.7 |
Apparent Magnitude: |
9.9 |
Right Ascension(RA) |
165.8670 |
Declination (DEC) |
-22.0939 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
"Michael Endl, Erik J. Brugamyer, William D. Cochran, Phillip J. MacQueen, Paul Robertson, Stefano Meschiari, Ivan Ramirez, Matthew Shetrone, Kevin Gullikson, Marshall C. Johnson, Robert Wittenmyer, Jonathan Horner, David R. Ciardi, Elliott Horch, Attila E. Simon, Steve B. Howell, Mark Everett, Caroline Caldwell, Barbara G. Castanheira" |
Discovery Paper - Title |
Two New Long-Period Giant Planets from the McDonald Observatory Planet Search and Two Stars with Long-Period Radial Velocity Signals Related to Stellar Activity Cycles |
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+95872+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%2095872%20b/ |
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HD 95872 b
HD 95872 b
HD 95872 b is an exoplanet orbiting the star HD 95872, located about 221.7 light-years (68.0 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star HD 95872 has apparent magnitude of 9.9, with absolute magnitude of 5.7. It is 0.9 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5312 with its spectral types of K0V
In this planetary system, the extrasolar planet HD 95872 b orbits around the star HD 95872 every 4375.0 days with its orbital distance of 5.20 AU ( 777908927.6 km)
(Projected orbit of HD 95872 b around its host star HD 95872)
The Star HD 95872 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.563 AU ( 84246832.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.778 AU ( 116451138.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.186 AU ( 177445764.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.745 AU ( 261119216.0 km)
Radiation at Planetary Boundary of HD 95872 b : 30.65 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 95872)
Kopparapu Recent Venus for Star HD 95872 distance : 0.600 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 95872 distance : 0.759 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 95872 distance : 0.733 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 95872 distance : 0.804 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 95872 distance : 1.360 AU
Kopparapu Outer Boundary for Early Mars for Star HD 95872 distance : 1.435 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 95872)
Original Kopparapu Recent Venus for Star HD 95872 distance : 0.596 AU
Original Kopparapu Runaway Greenhouse for Star HD 95872 distance : 0.781 AU
Original Kopparapu Moist Greenhouse for Star HD 95872 distance : 0.788 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 95872 distance : 1.383 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 95872 distance : 1.439 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 95872)
(Position in Stellar Map of star HD 95872 and its Exoplanet HD 95872 b)
(Zoomed position in Stellar Map of star HD 95872 and its Exoplanet HD 95872 b (zoom level 3))
(Synthetic Spectrum of star HD 95872*)
*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