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Exoplanet Name : |
MARVELS-8 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): |
37.7000 |
(Mjup) |
11986.2626 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.2150 |
(AU) |
0.2150 |
(AU Est.) |
|
Eccentricity : |
0.1010 |
|
Orbital Period(Yrs) |
0.0987 |
|
Orbital Period(Observed/Estimated) |
36.05 |
(Days Obs.) |
36.05 |
(Days Est.) |
|
Surface Gravity (G Earth) |
115.7553 |
|
Star Radiation at Atmospheric Boundary: |
22553.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
546.9 |
(K) |
|
Blackbody T 0.3(K) |
513.6 |
(K) |
|
Blackbody T 0.7(K) |
415.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
650.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
610.8 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
|
|
Detection Type : |
Radial Velocity |
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Mass Detection : |
Radial Velocity |
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Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
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Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
TYC 123-549-1 |
|
Alternate Name : |
2MASS J05431875+0513144 |
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Star Distance(LY) : |
363.6 |
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Stellar Radius(Rsun) : |
0.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5540 |
(K) |
|
Spectral type : |
G7 |
|
UV portion[%]: |
7.0 |
|
Visible portion[%]: |
43.5 |
|
IR portion[%]: |
49.4 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
5.1 |
|
Apparent Magnitude: |
10.3 |
|
Right Ascension(RA) |
85.8281 |
|
Declination (DEC) |
5.2207 |
|
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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MARVELS-8 b
MARVELS-8 b
MARVELS-8 b is an exoplanet orbiting the star TYC 123-549-1, located about 363.6 light-years (111.5 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star TYC 123-549-1 has apparent magnitude of 10.3, with absolute magnitude of 5.1. It is 1.0 times more massive and 0.9 times bigger compared with our Sun. The surface temperature is 5540 with its spectral types of G7
In this planetary system, the extrasolar planet MARVELS-8 b orbits around the star TYC 123-549-1 every 36.0 days with its orbital distance of 0.21 AU ( 32163542.2 km)
(Projected orbit of MARVELS-8 b around its host star TYC 123-549-1)
The Star TYC 123-549-1 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.632 AU ( 94493350.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.873 AU ( 130614504.1 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.330 AU ( 199027599.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.958 AU ( 292877831.3 km)
Radiation at Planetary Boundary of MARVELS-8 b : 22553.51 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TYC 123-549-1)
Kopparapu Recent Venus for Star TYC 123-549-1 distance : 0.664 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TYC 123-549-1 distance : 0.841 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TYC 123-549-1 distance : 0.812 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TYC 123-549-1 distance : 0.890 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 123-549-1 distance : 1.495 AU
Kopparapu Outer Boundary for Early Mars for Star TYC 123-549-1 distance : 1.577 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TYC 123-549-1)
Original Kopparapu Recent Venus for Star TYC 123-549-1 distance : 0.662 AU
Original Kopparapu Runaway Greenhouse for Star TYC 123-549-1 distance : 0.865 AU
Original Kopparapu Moist Greenhouse for Star TYC 123-549-1 distance : 0.876 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TYC 123-549-1 distance : 1.521 AU
Original Kopparapu Outer Boundary for Early Mars for Star TYC 123-549-1 distance : 1.582 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TYC 123-549-1)
(Position in Stellar Map of star TYC 123-549-1 and its Exoplanet MARVELS-8 b)
(Zoomed position in Stellar Map of star TYC 123-549-1 and its Exoplanet MARVELS-8 b (zoom level 3))
(Synthetic Spectrum of star TYC 123-549-1*)
*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
