|
Exoplanet Name : |
MARVELS-18 b |
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Alternate Name : |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
24.4000 |
(Mjup) |
7757.6872 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.5100 |
(AU) |
0.5100 |
(AU Est.) |
|
Eccentricity : |
0.4600 |
|
Orbital Period(Yrs) |
0.3220 |
|
Orbital Period(Observed/Estimated) |
117.60 |
(Days Obs.) |
118.98 |
(Days Est.) |
|
Surface Gravity (G Earth) |
74.9186 |
|
Star Radiation at Atmospheric Boundary: |
11201.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
459.2 |
(K) |
|
Blackbody T 0.3(K) |
431.2 |
(K) |
|
Blackbody T 0.7(K) |
348.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
546.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
512.8 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
|
|
Detection Type : |
Radial Velocity |
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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 : |
TYC 3556-3602-1 |
|
Alternate Name : |
2MASS J19383993+4634401 |
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Star Distance(LY) : |
1418.5 |
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Stellar Radius(Rsun) : |
1.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.3 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
6295 |
(K) |
|
Spectral type : |
F8 |
|
UV portion[%]: |
7.8 |
|
Visible portion[%]: |
44.8 |
|
IR portion[%]: |
47.4 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
2.4 |
|
Apparent Magnitude: |
10.6 |
|
Right Ascension(RA) |
294.6664 |
|
Declination (DEC) |
46.5778 |
|
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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MARVELS-18 b
MARVELS-18 b
MARVELS-18 b is an exoplanet orbiting the star TYC 3556-3602-1, located about 1418.5 light-years (434.9 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star TYC 3556-3602-1 has apparent magnitude of 10.6, with absolute magnitude of 2.4. It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6295 with its spectral types of F8
In this planetary system, the extrasolar planet MARVELS-18 b orbits around the star TYC 3556-3602-1 every 117.6 days with its orbital distance of 0.51 AU ( 76294914.1 km)
(Projected orbit of MARVELS-18 b around its host star TYC 3556-3602-1)
The Star TYC 3556-3602-1 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.056 AU ( 157962752.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.460 AU ( 218345804.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.224 AU ( 332710686.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.273 AU ( 489598350.1 km)
Radiation at Planetary Boundary of MARVELS-18 b : 11201.02 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TYC 3556-3602-1)
Kopparapu Recent Venus for Star TYC 3556-3602-1 distance : 1.061 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TYC 3556-3602-1 distance : 1.343 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TYC 3556-3602-1 distance : 1.297 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TYC 3556-3602-1 distance : 1.421 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 3556-3602-1 distance : 2.345 AU
Kopparapu Outer Boundary for Early Mars for Star TYC 3556-3602-1 distance : 2.473 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TYC 3556-3602-1)
Original Kopparapu Recent Venus for Star TYC 3556-3602-1 distance : 1.074 AU
Original Kopparapu Runaway Greenhouse for Star TYC 3556-3602-1 distance : 1.378 AU
Original Kopparapu Moist Greenhouse for Star TYC 3556-3602-1 distance : 1.421 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 3556-3602-1 distance : 2.387 AU
Original Kopparapu Outer Boundary for Early Mars for Star TYC 3556-3602-1 distance : 2.482 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TYC 3556-3602-1)
(Position in Stellar Map of star TYC 3556-3602-1 and its Exoplanet MARVELS-18 b)
(Zoomed position in Stellar Map of star TYC 3556-3602-1 and its Exoplanet MARVELS-18 b (zoom level 3))
(Synthetic Spectrum of star TYC 3556-3602-1*)
*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
