|
Exoplanet Name : |
HIP 38939 B |
|
Alternate Name : |
HD 65486 B |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
38.0000 |
(Mjup) |
12081.6440 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1630.0000 |
(AU) |
1630.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
15451261.70 |
(Days Est.) |
|
Surface Gravity (G Earth) |
116.6765 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
4.4 |
(K) |
|
Blackbody T 0.3(K) |
4.1 |
(K) |
|
Blackbody T 0.7(K) |
3.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
5.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
4.9 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HIP 38939 A |
|
Alternate Name : |
"2MASS J07580434-2537356, HD 65486 A" |
|
Star Distance(LY) : |
60.3 |
|
Stellar Radius(Rsun) : |
0.6 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
2.4 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.9 |
(GY) |
|
Temperature : |
4683 |
(K) |
|
Spectral type : |
K4V |
|
UV portion[%]: |
2.1 |
|
Visible portion[%]: |
33.9 |
|
IR portion[%]: |
63.9 |
|
Metalicity : |
-0.3 |
|
Absolute Magnitude: |
7.1 |
|
Apparent Magnitude: |
8.4 |
|
Right Ascension(RA) |
119.5182 |
|
Declination (DEC) |
-25.6266 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
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|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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HIP 38939 B
HIP 38939 B
HIP 38939 B is an exoplanet orbiting the star HIP 38939 A, located about 60.3 light-years (18.5 pc) away from Solar System. Its discovery was publicly announced on 2012.
The host star HIP 38939 A has apparent magnitude of 8.4, with absolute magnitude of 7.1. It is 2.4 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 4683 with its spectral types of K4V
(Projected orbit of HIP 38939 B around its host star HIP 38939 A)
The Star HIP 38939 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.307 AU ( 45903884.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.424 AU ( 63451164.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.646 AU ( 96685533.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.951 AU ( 142276997.9 km)
Radiation at Planetary Boundary of HIP 38939 B : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HIP 38939 A)
Kopparapu Recent Venus for Star HIP 38939 A distance : 0.337 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HIP 38939 A distance : 0.426 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HIP 38939 A distance : 0.412 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HIP 38939 A distance : 0.452 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 38939 A distance : 0.783 AU
Kopparapu Outer Boundary for Early Mars for Star HIP 38939 A distance : 0.826 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HIP 38939 A)
Original Kopparapu Recent Venus for Star HIP 38939 A distance : 0.332 AU
Original Kopparapu Runaway Greenhouse for Star HIP 38939 A distance : 0.440 AU
Original Kopparapu Moist Greenhouse for Star HIP 38939 A distance : 0.440 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HIP 38939 A distance : 0.796 AU
Original Kopparapu Outer Boundary for Early Mars for Star HIP 38939 A distance : 0.827 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HIP 38939 A)
(Position in Stellar Map of star HIP 38939 A and its Exoplanet HIP 38939 B)
(Zoomed position in Stellar Map of star HIP 38939 A and its Exoplanet HIP 38939 B (zoom level 3))
(Synthetic Spectrum of star HIP 38939 A*)
*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
