Exoplanet Name : |
HIP 34222 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
0.8300 |
(Mjup) |
263.8885 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.4920 |
(AU) |
0.4920 |
(AU Est.) |
Eccentricity : |
0.3050 |
Orbital Period(Yrs) |
0.4380 |
Orbital Period(Observed/Estimated) |
159.99 |
(Days Obs.) |
160.08 |
(Days Est.) |
Surface Gravity (G Earth) |
2.5485 |
Star Radiation at Atmospheric Boundary: |
398.6 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
199.4 |
(K) |
Blackbody T 0.3(K) |
187.3 |
(K) |
Blackbody T 0.7(K) |
151.5 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
237.1 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
222.7 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
HIP 34222 |
Alternate Name : |
|
Star Distance(LY) : |
74.5 |
Stellar Radius(Rsun) : |
0.6 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
4000 |
(K) |
Spectral type : |
K7V |
UV portion[%]: |
0.7 |
Visible portion[%]: |
24.5 |
IR portion[%]: |
74.8 |
Metalicity : |
0.0 |
Absolute Magnitude: |
20.2 |
Apparent Magnitude: |
22.0 |
Right Ascension(RA) |
106.4250 |
Declination (DEC) |
27.4708 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
01903-01306 |
Discovered by |
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Discovery Paper - Authors |
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Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
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SIMBAD LINK |
https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+34222&submit=SIMBAD+search |
Open Exoplanet Database Link |
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HIP 34222 b
HIP 34222 b
HIP 34222 b is an exoplanet orbiting the star HIP 34222, located about 74.5 light-years (22.9 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star HIP 34222 has apparent magnitude of 22.0, with absolute magnitude of 20.2. It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4000 with its spectral types of K7V
In this planetary system, the extrasolar planet HIP 34222 b orbits around the star HIP 34222 every 160.0 days with its orbital distance of 0.49 AU ( 73602152.4 km)
(Projected orbit of HIP 34222 b around its host star HIP 34222)
The Star HIP 34222 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.192 AU ( 28745149.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.266 AU ( 39733309.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.405 AU ( 60544770.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.596 AU ( 89094281.6 km)
Radiation at Planetary Boundary of HIP 34222 b : 398.55 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 34222)
Kopparapu Recent Venus for Star HIP 34222 distance : 0.215 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 34222 distance : 0.272 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 34222 distance : 0.263 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 34222 distance : 0.289 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 34222 distance : 0.517 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 34222 distance : 0.545 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 34222)
Original Kopparapu Recent Venus for Star HIP 34222 distance : 0.213 AU
Original Kopparapu Runaway Greenhouse for Star HIP 34222 distance : 0.282 AU
Original Kopparapu Moist Greenhouse for Star HIP 34222 distance : 0.281 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 34222 distance : 0.525 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 34222 distance : 0.546 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 34222)
(Position in Stellar Map of star HIP 34222 and its Exoplanet HIP 34222 b)
(Zoomed position in Stellar Map of star HIP 34222 and its Exoplanet HIP 34222 b (zoom level 3))
(Synthetic Spectrum of star HIP 34222*)
*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