|
Exoplanet Name : |
HD 9174 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
1.1100 |
(Mjup) |
352.9112 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.2000 |
(AU) |
2.2000 |
(AU Est.) |
|
Eccentricity : |
0.1200 |
|
Orbital Period(Yrs) |
3.2278 |
|
Orbital Period(Observed/Estimated) |
1179.00 |
(Days Obs.) |
1174.37 |
(Days Est.) |
|
Surface Gravity (G Earth) |
3.4082 |
|
Star Radiation at Atmospheric Boundary: |
683.6 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
228.2 |
(K) |
|
Blackbody T 0.3(K) |
214.3 |
(K) |
|
Blackbody T 0.7(K) |
173.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
271.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
254.9 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 9174 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
264.3 |
|
Stellar Radius(Rsun) : |
1.7 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
9.0 |
(GY) |
|
Temperature : |
5577 |
(K) |
|
Spectral type : |
G8IV |
|
UV portion[%]: |
7.2 |
|
Visible portion[%]: |
43.7 |
|
IR portion[%]: |
49.1 |
|
Metalicity : |
0.4 |
|
Absolute Magnitude: |
3.9 |
|
Apparent Magnitude: |
8.4 |
|
Right Ascension(RA) |
22.5042 |
|
Declination (DEC) |
-19.6044 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
05854-00511 |
|
Discovered by |
|
|
Discovery Paper - Authors |
0 |
|
Discovery Paper - Title |
0 |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+9174+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
0 |
 |
 |
 |
 |
/
HD 9174 b
HD 9174 b
HD 9174 b is an exoplanet orbiting the star HD 9174, located about 264.3 light-years (81.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star HD 9174 has apparent magnitude of 8.4, with absolute magnitude of 3.9. It is 1.0 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5577 with its spectral types of G8IV
In this planetary system, the extrasolar planet HD 9174 b orbits around the star HD 9174 every 1179.0 days with its orbital distance of 2.20 AU ( 329115315.5 km)
(Projected orbit of HD 9174 b around its host star HD 9174)
The Star HD 9174 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.125 AU ( 168335561.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.555 AU ( 232683737.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.370 AU ( 354558523.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.488 AU ( 521748399.4 km)
Radiation at Planetary Boundary of HD 9174 b : 683.59 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 9174)
Kopparapu Recent Venus for Star HD 9174 distance : 1.180 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 9174 distance : 1.495 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 9174 distance : 1.443 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 9174 distance : 1.583 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 9174 distance : 2.654 AU
Kopparapu Outer Boundary for Early Mars for Star HD 9174 distance : 2.800 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 9174)
Original Kopparapu Recent Venus for Star HD 9174 distance : 1.177 AU
Original Kopparapu Runaway Greenhouse for Star HD 9174 distance : 1.537 AU
Original Kopparapu Moist Greenhouse for Star HD 9174 distance : 1.558 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 9174 distance : 2.700 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 9174 distance : 2.808 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 9174)
(Position in Stellar Map of star HD 9174 and its Exoplanet HD 9174 b)
(Zoomed position in Stellar Map of star HD 9174 and its Exoplanet HD 9174 b (zoom level 3))
(Synthetic Spectrum of star HD 9174*)
*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
