|
Exoplanet Name : |
iot Hor b |
|
Alternate Name : |
HR 810 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
2.2600 |
(Mjup) |
718.5399 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.9250 |
(AU) |
0.9250 |
(AU Est.) |
|
Eccentricity : |
0.1610 |
|
Orbital Period(Yrs) |
0.8764 |
|
Orbital Period(Observed/Estimated) |
320.10 |
(Days Obs.) |
308.42 |
(Days Est.) |
|
Surface Gravity (G Earth) |
6.9392 |
|
Star Radiation at Atmospheric Boundary: |
6344.6 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
398.3 |
(K) |
|
Blackbody T 0.3(K) |
374.1 |
(K) |
|
Blackbody T 0.7(K) |
302.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
473.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
444.9 |
(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 : |
iot Hor |
|
Alternate Name : |
"HD 17051, HR 810" |
|
Star Distance(LY) : |
56.0 |
|
Stellar Radius(Rsun) : |
1.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
3.6 |
(GY) |
|
Temperature : |
5997 |
(K) |
|
Spectral type : |
G0V pecul. |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
4.2 |
|
Apparent Magnitude: |
5.4 |
|
Right Ascension(RA) |
40.6292 |
|
Declination (DEC) |
-50.8033 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
|
|
Open Exoplanet Database Link |
|
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iot Hor b
iot Hor b
iot Hor b is an exoplanet orbiting the star iot Hor, located about 56.0 light-years (17.2 pc) away from Solar System. Its discovery was publicly announced on 1999.
The host star iot Hor has apparent magnitude of 5.4, with absolute magnitude of 4.2. It is 1.1 times more massive and 1.9 times bigger compared with our Sun. The surface temperature is 5997 with its spectral types of G0V pecul.
In this planetary system, the extrasolar planet iot Hor b orbits around the star iot Hor every 320.1 days with its orbital distance of 0.93 AU ( 138378030.4 km)
(Projected orbit of iot Hor b around its host star iot Hor)
The Star iot Hor 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.441 AU ( 215624417.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.992 AU ( 298049293.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 3.036 AU ( 454161165.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 4.467 AU ( 668318051.0 km)
Radiation at Planetary Boundary of iot Hor b : 6344.55 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star iot Hor)
Kopparapu Recent Venus for Star iot Hor distance : 1.474 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star iot Hor distance : 1.867 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star iot Hor distance : 1.803 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star iot Hor distance : 1.976 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star iot Hor distance : 3.279 AU
Kopparapu Outer Boundary for Early Mars for Star iot Hor distance : 3.458 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star iot Hor)
Original Kopparapu Recent Venus for Star iot Hor distance : 1.483 AU
Original Kopparapu Runaway Greenhouse for Star iot Hor distance : 1.917 AU
Original Kopparapu Moist Greenhouse for Star iot Hor distance : 1.962 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star iot Hor distance : 3.337 AU
Original Kopparapu Outer Boundary for Early Mars for Star iot Hor distance : 3.470 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star iot Hor)
(Position in Stellar Map of star iot Hor and its Exoplanet iot Hor b)
(Zoomed position in Stellar Map of star iot Hor and its Exoplanet iot Hor b (zoom level 3))
(Synthetic Spectrum of star iot Hor*)
*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
