|
Exoplanet Name : |
HD 283869 b |
|
Alternate Name : |
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|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1749 |
(Rjup) |
1.9605 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0155 |
(Mjup) |
4.9341 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.4000 |
(AU) |
0.4000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.2902 |
|
Orbital Period(Observed/Estimated) |
106.00 |
(Days Obs.) |
107.41 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.2838 |
|
Star Radiation at Atmospheric Boundary: |
1567.7 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
280.8 |
(K) |
|
Blackbody T 0.3(K) |
263.7 |
(K) |
|
Blackbody T 0.7(K) |
213.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
334.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
313.6 |
(K) |
|
Size Class: |
sub-Neptune-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Habitable |
|
Star Name : |
HD 283869 |
|
Alternate Name : |
EPIC 248045685 |
|
Star Distance(LY) : |
155.0 |
|
Stellar Radius(Rsun) : |
0.7 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.8 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
4655 |
(K) |
|
Spectral type : |
K4 |
|
UV portion[%]: |
2.1 |
|
Visible portion[%]: |
33.5 |
|
IR portion[%]: |
64.4 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
7.2 |
|
Apparent Magnitude: |
10.6 |
|
Right Ascension(RA) |
71.9250 |
|
Declination (DEC) |
26.1500 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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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 |
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Open Exoplanet Database Link |
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HD 283869 b
HD 283869 b
HD 283869 b is an exoplanet orbiting the star HD 283869, located about 155.0 light-years (47.5 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star HD 283869 has apparent magnitude of 10.6, with absolute magnitude of 7.2. It is 0.7 times more massive and 0.7 times bigger compared with our Sun. The surface temperature is 4655 with its spectral types of K4
In this planetary system, the extrasolar planet HD 283869 b orbits around the star HD 283869 every 106.0 days with its orbital distance of 0.40 AU ( 59839148.3 km)
(Projected orbit of HD 283869 b around its host star HD 283869)
The Star HD 283869 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.310 AU ( 46349112.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.428 AU ( 64066585.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.653 AU ( 97623298.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.960 AU ( 143656959.9 km)
Radiation at Planetary Boundary of HD 283869 b : 1567.66 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 283869)
Kopparapu Recent Venus for Star HD 283869 distance : 0.340 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 283869 distance : 0.431 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 283869 distance : 0.416 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 283869 distance : 0.457 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 283869 distance : 0.792 AU
Kopparapu Outer Boundary for Early Mars for Star HD 283869 distance : 0.836 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 283869)
Original Kopparapu Recent Venus for Star HD 283869 distance : 0.336 AU
Original Kopparapu Runaway Greenhouse for Star HD 283869 distance : 0.444 AU
Original Kopparapu Moist Greenhouse for Star HD 283869 distance : 0.444 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 283869 distance : 0.805 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 283869 distance : 0.837 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 283869)
(Position in Stellar Map of star HD 283869 and its Exoplanet HD 283869 b)
(Zoomed position in Stellar Map of star HD 283869 and its Exoplanet HD 283869 b (zoom level 3))
(Synthetic Spectrum of star HD 283869*)
*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
