Exoplanet Name : |
HIP 54373 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.1565 |
(Rjup) |
1.7543 |
(Rearth) |
Mass (Mjup / Me): |
0.0271 |
(Mjup) |
8.6225 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0630 |
(AU) |
0.0630 |
(AU Est.) |
Eccentricity : |
0.2000 |
Orbital Period(Yrs) |
0.0212 |
Orbital Period(Observed/Estimated) |
7.76 |
(Days Obs.) |
7.65 |
(Days Est.) |
Surface Gravity (G Earth) |
2.8016 |
Star Radiation at Atmospheric Boundary: |
21664.8 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
541.5 |
(K) |
Blackbody T 0.3(K) |
508.5 |
(K) |
Blackbody T 0.7(K) |
411.4 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
643.9 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
604.7 |
(K) |
Size Class: |
super-Earth-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 : |
HIP 54373 |
Alternate Name : |
|
Star Distance(LY) : |
61.1 |
Stellar Radius(Rsun) : |
0.5 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
4021 |
(K) |
Spectral type : |
K5V |
UV portion[%]: |
0.7 |
Visible portion[%]: |
24.8 |
IR portion[%]: |
74.4 |
Metalicity : |
0.0 |
Absolute Magnitude: |
20.6 |
Apparent Magnitude: |
22.0 |
Right Ascension(RA) |
166.8654 |
Declination (DEC) |
-19.2900 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
|
Discovery Paper - Authors |
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Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
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SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HIP+54373+&submit=SIMBAD+search |
Open Exoplanet Database Link |
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HIP 54373 b
HIP 54373 b
HIP 54373 b is an exoplanet orbiting the star HIP 54373, located about 61.1 light-years (18.7 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star HIP 54373 has apparent magnitude of 22.0, with absolute magnitude of 20.6. It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 4021 with its spectral types of K5V
In this planetary system, the extrasolar planet HIP 54373 b orbits around the star HIP 54373 every 7.8 days with its orbital distance of 0.06 AU ( 9424665.9 km)
(Projected orbit of HIP 54373 b around its host star HIP 54373)
The Star HIP 54373 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.181 AU ( 27137732.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.251 AU ( 37511437.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.382 AU ( 57159130.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.562 AU ( 84112163.7 km)
Radiation at Planetary Boundary of HIP 54373 b : 21664.80 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 54373)
Kopparapu Recent Venus for Star HIP 54373 distance : 0.203 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 54373 distance : 0.257 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 54373 distance : 0.248 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 54373 distance : 0.273 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 54373 distance : 0.487 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 54373 distance : 0.514 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 54373)
Original Kopparapu Recent Venus for Star HIP 54373 distance : 0.201 AU
Original Kopparapu Runaway Greenhouse for Star HIP 54373 distance : 0.266 AU
Original Kopparapu Moist Greenhouse for Star HIP 54373 distance : 0.265 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 54373 distance : 0.495 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 54373 distance : 0.515 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 54373)
(Position in Stellar Map of star HIP 54373 and its Exoplanet HIP 54373 b)
(Zoomed position in Stellar Map of star HIP 54373 and its Exoplanet HIP 54373 b (zoom level 3))
(Synthetic Spectrum of star HIP 54373*)
*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