|
Exoplanet Name : |
HD 155233 b |
|
Alternate Name : |
HIP 84056 |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
31.9000 |
(Mjup) |
10142.2222 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.0000 |
(AU) |
2.0000 |
(AU Est.) |
|
Eccentricity : |
0.0800 |
|
Orbital Period(Yrs) |
2.2417 |
|
Orbital Period(Observed/Estimated) |
818.80 |
(Days Obs.) |
843.51 |
(Days Est.) |
|
Surface Gravity (G Earth) |
97.9468 |
|
Star Radiation at Atmospheric Boundary: |
4223.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
359.8 |
(K) |
|
Blackbody T 0.3(K) |
337.9 |
(K) |
|
Blackbody T 0.7(K) |
273.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
427.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
401.8 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
"Radial Velocity, Astrometry" |
|
Mass Detection : |
Astrometry |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 155233 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
245.0 |
|
Stellar Radius(Rsun) : |
5.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.5 |
(Msun Measured) |
1.6 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4845 |
(K) |
|
Spectral type : |
K1III |
|
UV portion[%]: |
2.6 |
|
Visible portion[%]: |
35.7 |
|
IR portion[%]: |
61.7 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
2.4 |
|
Apparent Magnitude: |
6.8 |
|
Right Ascension(RA) |
257.7682 |
|
Declination (DEC) |
-20.6544 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
06244-00136 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"R.A. Wittenmyer, R.P. Butler, L. Wang, C. Bergmann, G.S. Salter, C.G. Tinney, John Asher Johnson" |
|
Discovery Paper - Title |
The Pan-Pacific Planet Search III: Five companions orbiting giant stars |
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+155233+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20155233%20b/ |
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HD 155233 b
HD 155233 b
HD 155233 b is an exoplanet orbiting the star HD 155233, located about 245.0 light-years (75.1 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star HD 155233 has apparent magnitude of 6.8, with absolute magnitude of 2.4. It is 1.5 times more massive and 5.0 times bigger compared with our Sun. The surface temperature is 4845 with its spectral types of K1III
In this planetary system, the extrasolar planet HD 155233 b orbits around the star HD 155233 every 818.8 days with its orbital distance of 2.00 AU ( 299195741.4 km)
(Projected orbit of HD 155233 b around its host star HD 155233)
The Star HD 155233 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 2.543 AU ( 380378253.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 3.515 AU ( 525782150.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 5.356 AU ( 801175642.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 7.881 AU ( 1178965054.5 km)
Radiation at Planetary Boundary of HD 155233 b : 4223.38 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 155233)
Kopparapu Recent Venus for Star HD 155233 distance : 2.770 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 155233 distance : 3.507 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 155233 distance : 3.388 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 155233 distance : 3.718 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 155233 distance : 6.397 AU
Kopparapu Outer Boundary for Early Mars for Star HD 155233 distance : 6.748 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 155233)
Original Kopparapu Recent Venus for Star HD 155233 distance : 2.737 AU
Original Kopparapu Runaway Greenhouse for Star HD 155233 distance : 3.616 AU
Original Kopparapu Moist Greenhouse for Star HD 155233 distance : 3.622 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 155233 distance : 6.504 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 155233 distance : 6.764 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 155233)
(Position in Stellar Map of star HD 155233 and its Exoplanet HD 155233 b)
(Zoomed position in Stellar Map of star HD 155233 and its Exoplanet HD 155233 b (zoom level 3))
(Synthetic Spectrum of star HD 155233*)
*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
