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Exoplanet Name : |
TCP J050742+244755 b |
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Alternate Name : |
Kojima-1L b |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2280 |
(Rjup) |
2.5562 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0600 |
(Mjup) |
19.0763 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.7750 |
(AU) |
0.7750 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
354.19 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.9196 |
|
Star Radiation at Atmospheric Boundary: |
52.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
119.9 |
(K) |
|
Blackbody T 0.3(K) |
112.6 |
(K) |
|
Blackbody T 0.7(K) |
91.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
142.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
133.9 |
(K) |
|
Size Class: |
sub-Neptune-size |
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Mass Class: |
|
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Detection Type : |
Microlensing |
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Mass Detection : |
Microlensing |
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Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
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Star Name : |
TCP J050742+244755 |
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Alternate Name : |
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Star Distance(LY) : |
1399.2 |
|
Stellar Radius(Rsun) : |
0.5 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.0 |
(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: |
13.8 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
76.9277 |
|
Declination (DEC) |
24.7988 |
|
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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TCP J050742+244755 b
TCP J050742+244755 b
TCP J050742+244755 b is an exoplanet orbiting the star TCP J050742+244755, located about 1399.2 light-years (429.0 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star TCP J050742+244755 has apparent magnitude of 22.0, with absolute magnitude of 13.8. It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
(Projected orbit of TCP J050742+244755 b around its host star TCP J050742+244755)
The Star TCP J050742+244755 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.109 AU ( 16360178.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.151 AU ( 22614041.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.230 AU ( 34458795.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.339 AU ( 50707626.7 km)
Radiation at Planetary Boundary of TCP J050742+244755 b : 52.03 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TCP J050742+244755)
Kopparapu Recent Venus for Star TCP J050742+244755 distance : 0.124 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TCP J050742+244755 distance : 0.157 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TCP J050742+244755 distance : 0.151 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TCP J050742+244755 distance : 0.167 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TCP J050742+244755 distance : 0.308 AU
Kopparapu Outer Boundary for Early Mars for Star TCP J050742+244755 distance : 0.325 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TCP J050742+244755)
Original Kopparapu Recent Venus for Star TCP J050742+244755 distance : 0.123 AU
Original Kopparapu Runaway Greenhouse for Star TCP J050742+244755 distance : 0.162 AU
Original Kopparapu Moist Greenhouse for Star TCP J050742+244755 distance : 0.163 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TCP J050742+244755 distance : 0.313 AU
Original Kopparapu Outer Boundary for Early Mars for Star TCP J050742+244755 distance : 0.325 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TCP J050742+244755)
(Position in Stellar Map of star TCP J050742+244755 and its Exoplanet TCP J050742+244755 b)
(Zoomed position in Stellar Map of star TCP J050742+244755 and its Exoplanet TCP J050742+244755 b (zoom level 3))
(Synthetic Spectrum of star TCP J050742+244755*)
*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
