|
Exoplanet Name : |
HD 30856 A b |
|
Alternate Name : |
HD 30856 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
1.8000 |
(Mjup) |
572.2884 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.0000 |
(AU) |
2.0000 |
(AU Est.) |
|
Eccentricity : |
0.2400 |
|
Orbital Period(Yrs) |
2.4969 |
|
Orbital Period(Observed/Estimated) |
912.00 |
(Days Obs.) |
889.14 |
(Days Est.) |
|
Surface Gravity (G Earth) |
5.5268 |
|
Star Radiation at Atmospheric Boundary: |
3331.6 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
339.1 |
(K) |
|
Blackbody T 0.3(K) |
318.4 |
(K) |
|
Blackbody T 0.7(K) |
257.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
403.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
378.7 |
(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 30856 A |
|
Alternate Name : |
HD 30856 |
|
Star Distance(LY) : |
430.9 |
|
Stellar Radius(Rsun) : |
4.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
1.3 |
(Msun Estimated) |
|
Star Age : |
3.8 |
(GY) |
|
Temperature : |
4982 |
(K) |
|
Spectral type : |
K0III |
|
UV portion[%]: |
3.2 |
|
Visible portion[%]: |
36.9 |
|
IR portion[%]: |
60.0 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
2.5 |
|
Apparent Magnitude: |
8.1 |
|
Right Ascension(RA) |
72.5744 |
|
Declination (DEC) |
-24.3689 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
06466-01769 |
|
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+30856+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%2030856%20b/ |
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HD 30856 A b
HD 30856 A b
HD 30856 A b is an exoplanet orbiting the star HD 30856 A, located about 430.9 light-years (132.1 pc) away from Solar System. Its discovery was publicly announced on 2011.
The host star HD 30856 A has apparent magnitude of 8.1, with absolute magnitude of 2.5. It is 1.4 times more massive and 4.2 times bigger compared with our Sun. The surface temperature is 4982 with its spectral types of K0III
In this planetary system, the extrasolar planet HD 30856 A b orbits around the star HD 30856 A every 912.0 days with its orbital distance of 2.00 AU ( 299195741.4 km)
(Projected orbit of HD 30856 A b around its host star HD 30856 A)
The Star HD 30856 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 2.258 AU ( 337842941.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 3.122 AU ( 466987233.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 4.757 AU ( 711585199.9 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 7.000 AU ( 1047128794.3 km)
Radiation at Planetary Boundary of HD 30856 A b : 3331.64 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 30856 A)
Kopparapu Recent Venus for Star HD 30856 A distance : 2.445 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 30856 A distance : 3.096 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 30856 A distance : 2.990 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 30856 A distance : 3.282 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 30856 A distance : 5.615 AU
Kopparapu Outer Boundary for Early Mars for Star HD 30856 A distance : 5.923 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 30856 A)
Original Kopparapu Recent Venus for Star HD 30856 A distance : 2.419 AU
Original Kopparapu Runaway Greenhouse for Star HD 30856 A distance : 3.190 AU
Original Kopparapu Moist Greenhouse for Star HD 30856 A distance : 3.201 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 30856 A distance : 5.709 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 30856 A distance : 5.937 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 30856 A)
(Position in Stellar Map of star HD 30856 A and its Exoplanet HD 30856 A b)
(Zoomed position in Stellar Map of star HD 30856 A and its Exoplanet HD 30856 A b (zoom level 3))
(Synthetic Spectrum of star HD 30856 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
