|
Exoplanet Name : |
HIP 107772 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2085 |
(Rjup) |
2.3365 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0406 |
(Mjup) |
12.9083 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.2430 |
(AU) |
0.2430 |
(AU Est.) |
|
Eccentricity : |
0.1800 |
|
Orbital Period(Yrs) |
0.1511 |
|
Orbital Period(Observed/Estimated) |
55.19 |
(Days Obs.) |
36.54 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.3644 |
|
Star Radiation at Atmospheric Boundary: |
1851.8 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
292.8 |
(K) |
|
Blackbody T 0.3(K) |
275.0 |
(K) |
|
Blackbody T 0.7(K) |
222.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
348.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
327.0 |
(K) |
|
Size Class: |
sub-Neptune-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 : |
HIP 107772 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
77.2 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.4 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3750 |
(K) |
|
Spectral type : |
M0V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
13.4 |
|
IR portion[%]: |
86.3 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
20.1 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
327.4991 |
|
Declination (DEC) |
-41.2450 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+107772+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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HIP 107772 b
HIP 107772 b
HIP 107772 b is an exoplanet orbiting the star HIP 107772, located about 77.2 light-years (23.7 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star HIP 107772 has apparent magnitude of 22.0, with absolute magnitude of 20.1. It is 1.4 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 3750 with its spectral types of M0V
In this planetary system, the extrasolar planet HIP 107772 b orbits around the star HIP 107772 every 55.2 days with its orbital distance of 0.24 AU ( 36352282.6 km)
(Projected orbit of HIP 107772 b around its host star HIP 107772)
The Star HIP 107772 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.205 AU ( 30602589.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.283 AU ( 42300776.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.431 AU ( 64457022.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.634 AU ( 94851331.9 km)
Radiation at Planetary Boundary of HIP 107772 b : 1851.79 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 107772)
Kopparapu Recent Venus for Star HIP 107772 distance : 0.230 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 107772 distance : 0.291 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 107772 distance : 0.281 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 107772 distance : 0.310 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 107772 distance : 0.560 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 107772 distance : 0.591 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 107772)
Original Kopparapu Recent Venus for Star HIP 107772 distance : 0.228 AU
Original Kopparapu Runaway Greenhouse for Star HIP 107772 distance : 0.302 AU
Original Kopparapu Moist Greenhouse for Star HIP 107772 distance : 0.302 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 107772 distance : 0.569 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 107772 distance : 0.592 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 107772)
(Position in Stellar Map of star HIP 107772 and its Exoplanet HIP 107772 b)
(Zoomed position in Stellar Map of star HIP 107772 and its Exoplanet HIP 107772 b (zoom level 3))
(Synthetic Spectrum of star HIP 107772*)
*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
