|
Exoplanet Name : |
HD 142245 A b |
|
Alternate Name : |
HD 142245 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
1.9000 |
(Mjup) |
604.0822 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.7700 |
(AU) |
2.7700 |
(AU Est.) |
|
Eccentricity : |
0.3200 |
|
Orbital Period(Yrs) |
3.5564 |
|
Orbital Period(Observed/Estimated) |
1299.00 |
(Days Obs.) |
1295.29 |
(Days Est.) |
|
Surface Gravity (G Earth) |
5.8338 |
|
Star Radiation at Atmospheric Boundary: |
2446.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
313.9 |
(K) |
|
Blackbody T 0.3(K) |
294.8 |
(K) |
|
Blackbody T 0.7(K) |
238.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
373.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
350.6 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 142245 A |
|
Alternate Name : |
HD 142245 |
|
Star Distance(LY) : |
325.5 |
|
Stellar Radius(Rsun) : |
5.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.7 |
(Msun Measured) |
1.7 |
(Msun Estimated) |
|
Star Age : |
2.3 |
(GY) |
|
Temperature : |
4878 |
(K) |
|
Spectral type : |
K0 |
|
UV portion[%]: |
2.7 |
|
Visible portion[%]: |
36.0 |
|
IR portion[%]: |
61.3 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
2.6 |
|
Apparent Magnitude: |
7.6 |
|
Right Ascension(RA) |
238.2345 |
|
Declination (DEC) |
15.4308 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
01496-01841 |
|
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+142245+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20142245%20b/ |
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HD 142245 A b
HD 142245 A b
HD 142245 A b is an exoplanet orbiting the star HD 142245 A, located about 325.5 light-years (99.8 pc) away from Solar System. Its discovery was publicly announced on 2011.
The host star HD 142245 A has apparent magnitude of 7.6, with absolute magnitude of 2.6. It is 1.7 times more massive and 5.2 times bigger compared with our Sun. The surface temperature is 4878 with its spectral types of K0
In this planetary system, the extrasolar planet HD 142245 A b orbits around the star HD 142245 A every 1299.0 days with its orbital distance of 2.77 AU ( 414386101.8 km)
(Projected orbit of HD 142245 A b around its host star HD 142245 A)
The Star HD 142245 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 2.681 AU ( 401000623.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 3.705 AU ( 554287655.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 5.646 AU ( 844611724.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 8.308 AU ( 1242883151.9 km)
Radiation at Planetary Boundary of HD 142245 A b : 2446.92 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 142245 A)
Kopparapu Recent Venus for Star HD 142245 A distance : 2.916 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 142245 A distance : 3.692 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 142245 A distance : 3.566 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 142245 A distance : 3.914 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 142245 A distance : 6.725 AU
Kopparapu Outer Boundary for Early Mars for Star HD 142245 A distance : 7.094 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 142245 A)
Original Kopparapu Recent Venus for Star HD 142245 A distance : 2.882 AU
Original Kopparapu Runaway Greenhouse for Star HD 142245 A distance : 3.806 AU
Original Kopparapu Moist Greenhouse for Star HD 142245 A distance : 3.814 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 142245 A distance : 6.837 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 142245 A distance : 7.110 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 142245 A)
(Position in Stellar Map of star HD 142245 A and its Exoplanet HD 142245 A b)
(Zoomed position in Stellar Map of star HD 142245 A and its Exoplanet HD 142245 A b (zoom level 3))
(Synthetic Spectrum of star HD 142245 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
