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Exoplanet Name : |
EPIC 201833600 c |
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Alternate Name : |
"2MASS J11175607+0559183 c, EPIC 201833600.02, K2-50 c, WISE J111756.07+055917.9 c" |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.0890 |
(Rjup) |
0.9976 |
(Rearth) |
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Mass (Mjup / Me): |
0.0031 |
(Mjup) |
0.9702 |
(Mearth) |
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Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.0416 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0108 |
|
Orbital Period(Observed/Estimated) |
3.96 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.9749 |
|
Star Radiation at Atmospheric Boundary: |
25205.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
562.4 |
(K) |
|
Blackbody T 0.3(K) |
528.1 |
(K) |
|
Blackbody T 0.7(K) |
427.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
668.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
628.0 |
(K) |
|
Size Class: |
Earth-size |
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Mass Class: |
|
|
Detection Type : |
Primary Transit |
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Mass Detection : |
|
|
Radius Detection : |
|
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Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
K2-50 |
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Alternate Name : |
"2MASS J11175607+0559183, EPIC 201833600, WISE J111756.07+055917.9" |
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Star Distance(LY) : |
845.8 |
|
Stellar Radius(Rsun) : |
0.5 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3300 |
(K) |
|
Spectral type : |
M9 |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
11.2 |
|
IR portion[%]: |
88.6 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
5.3 |
|
Apparent Magnitude: |
12.4 |
|
Right Ascension(RA) |
169.4836 |
|
Declination (DEC) |
5.9884 |
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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 |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=K2-50&submit=SIMBAD+search |
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Open Exoplanet Database Link |
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EPIC 201833600 c
EPIC 201833600 c
EPIC 201833600 c is an exoplanet orbiting the star K2-50, located about 845.8 light-years (259.3 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star K2-50 has apparent magnitude of 12.4, with absolute magnitude of 5.3. It is 0.6 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
In this planetary system, the extrasolar planet EPIC 201833600 c orbits around the star K2-50 every 4.0 days with its orbital distance of 0.04 AU ( 6216544.5 km)
(Projected orbit of EPIC 201833600 c around its host star K2-50)
The Star K2-50 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.129 AU ( 19307372.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.178 AU ( 26687835.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.272 AU ( 40666354.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.400 AU ( 59842322.2 km)
Radiation at Planetary Boundary of EPIC 201833600 c : 25205.06 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star K2-50)
Kopparapu Recent Venus for Star K2-50 distance : 0.146 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star K2-50 distance : 0.185 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star K2-50 distance : 0.179 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star K2-50 distance : 0.197 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-50 distance : 0.363 AU
Kopparapu Outer Boundary for Early Mars for Star K2-50 distance : 0.383 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star K2-50)
Original Kopparapu Recent Venus for Star K2-50 distance : 0.145 AU
Original Kopparapu Runaway Greenhouse for Star K2-50 distance : 0.192 AU
Original Kopparapu Moist Greenhouse for Star K2-50 distance : 0.192 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star K2-50 distance : 0.369 AU
Original Kopparapu Outer Boundary for Early Mars for Star K2-50 distance : 0.384 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star K2-50)
(Position in Stellar Map of star K2-50 and its Exoplanet EPIC 201833600 c)
(Zoomed position in Stellar Map of star K2-50 and its Exoplanet EPIC 201833600 c (zoom level 3))
(Synthetic Spectrum of star K2-50*)
*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
