|
Exoplanet Name : |
K2-314 b |
|
Alternate Name : |
EPIC 249893012 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1740 |
(Rjup) |
1.9504 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0275 |
(Mjup) |
8.7528 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0470 |
(AU) |
0.0470 |
(AU Est.) |
|
Eccentricity : |
0.0600 |
|
Orbital Period(Yrs) |
0.0098 |
|
Orbital Period(Observed/Estimated) |
3.60 |
(Days Obs.) |
3.63 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.3010 |
|
Star Radiation at Atmospheric Boundary: |
1411239.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1538.3 |
(K) |
|
Blackbody T 0.3(K) |
1444.6 |
(K) |
|
Blackbody T 0.7(K) |
1168.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1829.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1718.0 |
(K) |
|
Size Class: |
super-Earth-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
EPIC 249893012 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
1059.0 |
|
Stellar Radius(Rsun) : |
1.7 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
9.0 |
(GY) |
|
Temperature : |
5430 |
(K) |
|
Spectral type : |
G8 1V/V |
|
UV portion[%]: |
6.5 |
|
Visible portion[%]: |
42.7 |
|
IR portion[%]: |
50.8 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
3.8 |
|
Apparent Magnitude: |
11.4 |
|
Right Ascension(RA) |
228.2500 |
|
Declination (DEC) |
-16.7247 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=EPIC+249893012&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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K2-314 b
K2-314 b
K2-314 b is an exoplanet orbiting the star EPIC 249893012, located about 1059.0 light-years (324.7 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star EPIC 249893012 has apparent magnitude of 11.4, with absolute magnitude of 3.8. It is 1.1 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5430 with its spectral types of G8 1V/V
In this planetary system, the extrasolar planet K2-314 b orbits around the star EPIC 249893012 every 3.6 days with its orbital distance of 0.05 AU ( 7031099.9 km)
(Projected orbit of K2-314 b around its host star EPIC 249893012)
The Star EPIC 249893012 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.092 AU ( 163400688.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.510 AU ( 225862453.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.301 AU ( 344164395.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.385 AU ( 506452984.7 km)
Radiation at Planetary Boundary of K2-314 b : 1411239.21 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star EPIC 249893012)
Kopparapu Recent Venus for Star EPIC 249893012 distance : 1.155 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star EPIC 249893012 distance : 1.463 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star EPIC 249893012 distance : 1.413 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star EPIC 249893012 distance : 1.550 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 249893012 distance : 2.610 AU
Kopparapu Outer Boundary for Early Mars for Star EPIC 249893012 distance : 2.753 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star EPIC 249893012)
Original Kopparapu Recent Venus for Star EPIC 249893012 distance : 1.150 AU
Original Kopparapu Runaway Greenhouse for Star EPIC 249893012 distance : 1.505 AU
Original Kopparapu Moist Greenhouse for Star EPIC 249893012 distance : 1.521 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star EPIC 249893012 distance : 2.655 AU
Original Kopparapu Outer Boundary for Early Mars for Star EPIC 249893012 distance : 2.761 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star EPIC 249893012)
(Position in Stellar Map of star EPIC 249893012 and its Exoplanet K2-314 b)
(Zoomed position in Stellar Map of star EPIC 249893012 and its Exoplanet K2-314 b (zoom level 3))
(Synthetic Spectrum of star EPIC 249893012*)
*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
