|
Exoplanet Name : |
HD 166724 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
3.5300 |
(Mjup) |
1122.3211 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
5.4200 |
(AU) |
5.4200 |
(AU Est.) |
|
Eccentricity : |
0.7340 |
|
Orbital Period(Yrs) |
22.1760 |
|
Orbital Period(Observed/Estimated) |
8100.00 |
(Days Obs.) |
6584.02 |
(Days Est.) |
|
Surface Gravity (G Earth) |
10.8386 |
|
Star Radiation at Atmospheric Boundary: |
17.7 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
91.5 |
(K) |
|
Blackbody T 0.3(K) |
85.9 |
(K) |
|
Blackbody T 0.7(K) |
69.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
108.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
102.2 |
(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 166724 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
138.0 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.3 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5240 |
(K) |
|
Spectral type : |
K0IV |
|
UV portion[%]: |
5.3 |
|
Visible portion[%]: |
40.7 |
|
IR portion[%]: |
54.0 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
6.2 |
|
Apparent Magnitude: |
9.3 |
|
Right Ascension(RA) |
273.4986 |
|
Declination (DEC) |
-42.5753 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
07908-01693 |
|
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+166724+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20166724%20b/ |
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HD 166724 b
HD 166724 b
HD 166724 b is an exoplanet orbiting the star HD 166724, located about 138.0 light-years (42.3 pc) away from Solar System. Its discovery was publicly announced on 2011.
The host star HD 166724 has apparent magnitude of 9.3, with absolute magnitude of 6.2. It is 0.5 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 5240 with its spectral types of K0IV
In this planetary system, the extrasolar planet HD 166724 b orbits around the star HD 166724 every 8100.0 days with its orbital distance of 5.42 AU ( 810820459.2 km)
(Projected orbit of HD 166724 b around its host star HD 166724)
The Star HD 166724 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.446 AU ( 66696798.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.616 AU ( 92192405.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.939 AU ( 140480823.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.382 AU ( 206723685.3 km)
Radiation at Planetary Boundary of HD 166724 b : 17.68 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 166724)
Kopparapu Recent Venus for Star HD 166724 distance : 0.476 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 166724 distance : 0.603 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 166724 distance : 0.583 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 166724 distance : 0.639 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 166724 distance : 1.084 AU
Kopparapu Outer Boundary for Early Mars for Star HD 166724 distance : 1.143 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 166724)
Original Kopparapu Recent Venus for Star HD 166724 distance : 0.473 AU
Original Kopparapu Runaway Greenhouse for Star HD 166724 distance : 0.621 AU
Original Kopparapu Moist Greenhouse for Star HD 166724 distance : 0.626 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 166724 distance : 1.102 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 166724 distance : 1.146 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 166724)
(Position in Stellar Map of star HD 166724 and its Exoplanet HD 166724 b)
(Zoomed position in Stellar Map of star HD 166724 and its Exoplanet HD 166724 b (zoom level 3))
(Synthetic Spectrum of star HD 166724*)
*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
