|
Exoplanet Name : |
HD 139357 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
9.7600 |
(Mjup) |
3103.0749 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.3600 |
(AU) |
2.3600 |
(AU Est.) |
|
Eccentricity : |
0.1000 |
|
Orbital Period(Yrs) |
3.0819 |
|
Orbital Period(Observed/Estimated) |
1125.70 |
(Days Obs.) |
1139.70 |
(Days Est.) |
|
Surface Gravity (G Earth) |
29.9674 |
|
Star Radiation at Atmospheric Boundary: |
14135.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
486.7 |
(K) |
|
Blackbody T 0.3(K) |
457.0 |
(K) |
|
Blackbody T 0.7(K) |
369.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
578.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
543.5 |
(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 139357 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
385.1 |
|
Stellar Radius(Rsun) : |
11.5 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
1.4 |
(Msun Estimated) |
|
Star Age : |
3.1 |
(GY) |
|
Temperature : |
4700 |
(K) |
|
Spectral type : |
K4III |
|
UV portion[%]: |
2.2 |
|
Visible portion[%]: |
34.2 |
|
IR portion[%]: |
63.6 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
0.6 |
|
Apparent Magnitude: |
6.0 |
|
Right Ascension(RA) |
233.8175 |
|
Declination (DEC) |
53.9222 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
3869-00494 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"D_llinger,..; Hatzes,..; Pasquini,.; Guenther,..; Hartmann,.; Girardi,." |
|
Discovery Paper - Title |
Planetary companion candidates around the K giant stars 42 Draconis and HD 139 357 |
|
Discovery Paper - Journal |
"A&AVolume 499, Number 3, June I 2009 " |
|
Discovery Paper - URL |
http://www.aanda.org/articles/aa/full_html/2009/21/aa10837-08/aa10837-08.html |
|
SIMBAD LINK |
http://simbad.harvard.edu/simbad/sim-basic?Ident=HD+139357+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20139357%20b/ |
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HD 139357 b
HD 139357 b
HD 139357 b is an exoplanet orbiting the star HD 139357, located about 385.1 light-years (118.1 pc) away from Solar System. Its discovery was publicly announced on 2009.
The host star HD 139357 has apparent magnitude of 6.0, with absolute magnitude of 0.6. It is 1.4 times more massive and 11.5 times bigger compared with our Sun. The surface temperature is 4700 with its spectral types of K4III
In this planetary system, the extrasolar planet HD 139357 b orbits around the star HD 139357 every 1125.7 days with its orbital distance of 2.36 AU ( 353050974.9 km)
(Projected orbit of HD 139357 b around its host star HD 139357)
The Star HD 139357 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 5.489 AU ( 821140071.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 7.587 AU ( 1135030168.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 11.561 AU ( 1729534795.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 17.013 AU ( 2545086217.4 km)
Radiation at Planetary Boundary of HD 139357 b : 14135.11 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 139357)
Kopparapu Recent Venus for Star HD 139357 distance : 6.017 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 139357 distance : 7.617 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 139357 distance : 7.358 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 139357 distance : 8.078 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 139357 distance : 13.982 AU
Kopparapu Outer Boundary for Early Mars for Star HD 139357 distance : 14.749 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 139357)
Original Kopparapu Recent Venus for Star HD 139357 distance : 5.941 AU
Original Kopparapu Runaway Greenhouse for Star HD 139357 distance : 7.859 AU
Original Kopparapu Moist Greenhouse for Star HD 139357 distance : 7.860 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 139357 distance : 14.213 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 139357 distance : 14.781 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 139357)
(Position in Stellar Map of star HD 139357 and its Exoplanet HD 139357 b)
(Zoomed position in Stellar Map of star HD 139357 and its Exoplanet HD 139357 b (zoom level 3))
(Synthetic Spectrum of star HD 139357*)
*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
