Exoplanet Name : |
EPIC 249889081 b |
Alternate Name : |
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Radius (Rjup / Re): |
0.1870 |
(Rjup) |
2.0961 |
(Rearth) |
Mass (Mjup / Me): |
0.0214 |
(Mjup) |
6.8039 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.1768 |
(AU) |
0.1768 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0749 |
Orbital Period(Observed/Estimated) |
27.36 |
(Days Obs.) |
33.94 |
(Days Est.) |
Surface Gravity (G Earth) |
1.5486 |
Star Radiation at Atmospheric Boundary: |
3582.8 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
345.3 |
(K) |
Blackbody T 0.3(K) |
324.3 |
(K) |
Blackbody T 0.7(K) |
262.4 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
410.6 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
385.6 |
(K) |
Size Class: |
sub-Neptune-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
Theoretical |
Radius Detection : |
Primary Transit |
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
EPIC 249889081 |
Alternate Name : |
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Star Distance(LY) : |
248.9 |
Stellar Radius(Rsun) : |
0.6 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3926 |
(K) |
Spectral type : |
K7 |
UV portion[%]: |
0.6 |
Visible portion[%]: |
22.4 |
IR portion[%]: |
77.0 |
Metalicity : |
0.0 |
Absolute Magnitude: |
8.4 |
Apparent Magnitude: |
12.8 |
Right Ascension(RA) |
233.3708 |
Declination (DEC) |
-16.7733 |
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 |
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Discovery Paper - Journal |
|
Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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EPIC 249889081 b
EPIC 249889081 b
EPIC 249889081 b is an exoplanet orbiting the star EPIC 249889081, located about 248.9 light-years (76.3 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star EPIC 249889081 has apparent magnitude of 12.8, with absolute magnitude of 8.4. It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3926 with its spectral types of K7
In this planetary system, the extrasolar planet EPIC 249889081 b orbits around the star EPIC 249889081 every 27.4 days with its orbital distance of 0.18 AU ( 26448903.5 km)
(Projected orbit of EPIC 249889081 b around its host star EPIC 249889081)
The Star EPIC 249889081 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.207 AU ( 30970655.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.286 AU ( 42809539.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.436 AU ( 65232263.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.642 AU ( 95992133.7 km)
Radiation at Planetary Boundary of EPIC 249889081 b : 3582.82 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 249889081)
Kopparapu Recent Venus for Star EPIC 249889081 distance : 0.232 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 249889081 distance : 0.294 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 249889081 distance : 0.284 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 249889081 distance : 0.312 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 249889081 distance : 0.560 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 249889081 distance : 0.591 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 249889081)
Original Kopparapu Recent Venus for Star EPIC 249889081 distance : 0.230 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 249889081 distance : 0.304 AU
Original Kopparapu Moist Greenhouse for Star EPIC 249889081 distance : 0.304 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 249889081 distance : 0.569 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 249889081 distance : 0.592 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 249889081)
(Position in Stellar Map of star EPIC 249889081 and its Exoplanet EPIC 249889081 b)
(Zoomed position in Stellar Map of star EPIC 249889081 and its Exoplanet EPIC 249889081 b (zoom level 3))