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Exoplanet Name : |
KOI-4896 b |
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Alternate Name : |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.1169 |
(Rjup) |
1.3103 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0082 |
(Mjup) |
2.5960 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1421 |
(AU) |
0.1421 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0536 |
|
Orbital Period(Observed/Estimated) |
19.60 |
(Days Obs.) |
19.60 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.5120 |
|
Star Radiation at Atmospheric Boundary: |
89335.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
771.6 |
(K) |
|
Blackbody T 0.3(K) |
724.6 |
(K) |
|
Blackbody T 0.7(K) |
586.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
917.6 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
861.7 |
(K) |
|
Size Class: |
super-Earth-size |
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Mass Class: |
|
|
Detection Type : |
Primary Transit |
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Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
2MASS J19233610+4844461 |
|
Alternate Name : |
11135694 |
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Star Distance(LY) : |
0.0 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
6120 |
(K) |
|
Spectral type : |
G0 |
|
UV portion[%]: |
7.8 |
|
Visible portion[%]: |
44.8 |
|
IR portion[%]: |
47.4 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
25.0 |
|
Apparent Magnitude: |
15.2 |
|
Right Ascension(RA) |
290.9004 |
|
Declination (DEC) |
48.7461 |
|
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 |
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|
Discovery Paper - URL |
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|
SIMBAD LINK |
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Open Exoplanet Database Link |
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KOI-4896 b
KOI-4896 b
KOI-4896 b is an exoplanet orbiting the star 2MASS J19233610+4844461. Its discovery was publicly announced on 2017.
The host star 2MASS J19233610+4844461 has apparent magnitude of 15.2, with absolute magnitude of 25.0. It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 6120 with its spectral types of G0
In this planetary system, the extrasolar planet KOI-4896 b orbits around the star 2MASS J19233610+4844461 every 19.6 days with its orbital distance of 0.14 AU ( 21257857.4 km)
(Projected orbit of KOI-4896 b around its host star 2MASS J19233610+4844461)
The Star 2MASS J19233610+4844461 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.831 AU ( 124297076.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.148 AU ( 171811042.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.750 AU ( 261802006.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.575 AU ( 385253121.5 km)
Radiation at Planetary Boundary of KOI-4896 b : 89335.13 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J19233610+4844461)
Kopparapu Recent Venus for Star 2MASS J19233610+4844461 distance : 0.843 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J19233610+4844461 distance : 1.068 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J19233610+4844461 distance : 1.032 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J19233610+4844461 distance : 1.131 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19233610+4844461 distance : 1.871 AU
Kopparapu Outer Boundary for Early Mars for Star 2MASS J19233610+4844461 distance : 1.973 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J19233610+4844461)
Original Kopparapu Recent Venus for Star 2MASS J19233610+4844461 distance : 0.851 AU
Original Kopparapu Runaway Greenhouse for Star 2MASS J19233610+4844461 distance : 1.096 AU
Original Kopparapu Moist Greenhouse for Star 2MASS J19233610+4844461 distance : 1.126 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J19233610+4844461 distance : 1.904 AU
Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J19233610+4844461 distance : 1.980 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J19233610+4844461)
(Position in Stellar Map of star 2MASS J19233610+4844461 and its Exoplanet KOI-4896 b)
(Zoomed position in Stellar Map of star 2MASS J19233610+4844461 and its Exoplanet KOI-4896 b (zoom level 3))
(Synthetic Spectrum of star 2MASS J19233610+4844461*)
*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
