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Exoplanet Name : |
MARVELS-4 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): |
40.0000 |
(Mjup) |
12717.5200 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0900 |
(AU) |
0.0900 |
(AU Est.) |
|
Eccentricity : |
0.2260 |
|
Orbital Period(Yrs) |
0.0247 |
|
Orbital Period(Observed/Estimated) |
9.01 |
(Days Obs.) |
9.16 |
(Days Est.) |
|
Surface Gravity (G Earth) |
122.8173 |
|
Star Radiation at Atmospheric Boundary: |
494422.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1183.5 |
(K) |
|
Blackbody T 0.3(K) |
1111.4 |
(K) |
|
Blackbody T 0.7(K) |
899.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1407.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1321.7 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
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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 |
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Star Name : |
MARVELS-4 |
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Alternate Name : |
TYC 2087-255-1 |
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Star Distance(LY) : |
711.0 |
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Stellar Radius(Rsun) : |
1.6 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
5.5 |
(GY) |
|
Temperature : |
5903 |
(K) |
|
Spectral type : |
G0IV |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
-0.2 |
|
Absolute Magnitude: |
3.8 |
|
Apparent Magnitude: |
10.5 |
|
Right Ascension(RA) |
263.6406 |
|
Declination (DEC) |
29.9682 |
|
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-4 b
MARVELS-4 b
MARVELS-4 b is an exoplanet orbiting the star MARVELS-4, located about 711.0 light-years (218.0 pc) away from Solar System. Its discovery was publicly announced on 2013.
The host star MARVELS-4 has apparent magnitude of 10.5, with absolute magnitude of 3.8. It is 1.2 times more massive and 1.6 times bigger compared with our Sun. The surface temperature is 5903 with its spectral types of G0IV
In this planetary system, the extrasolar planet MARVELS-4 b orbits around the star MARVELS-4 every 9.0 days with its orbital distance of 0.09 AU ( 13463808.4 km)
(Projected orbit of MARVELS-4 b around its host star MARVELS-4)
The Star MARVELS-4 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.238 AU ( 185202790.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.711 AU ( 255998656.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.608 AU ( 390085299.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.837 AU ( 574027607.2 km)
Radiation at Planetary Boundary of MARVELS-4 b : 494422.95 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star MARVELS-4)
Kopparapu Recent Venus for Star MARVELS-4 distance : 1.273 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star MARVELS-4 distance : 1.613 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star MARVELS-4 distance : 1.558 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star MARVELS-4 distance : 1.707 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star MARVELS-4 distance : 2.839 AU
Kopparapu Outer Boundary for Early Mars for Star MARVELS-4 distance : 2.994 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star MARVELS-4)
Original Kopparapu Recent Venus for Star MARVELS-4 distance : 1.278 AU
Original Kopparapu Runaway Greenhouse for Star MARVELS-4 distance : 1.656 AU
Original Kopparapu Moist Greenhouse for Star MARVELS-4 distance : 1.691 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star MARVELS-4 distance : 2.889 AU
Original Kopparapu Outer Boundary for Early Mars for Star MARVELS-4 distance : 3.004 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star MARVELS-4)
(Position in Stellar Map of star MARVELS-4 and its Exoplanet MARVELS-4 b)
(Zoomed position in Stellar Map of star MARVELS-4 and its Exoplanet MARVELS-4 b (zoom level 3))
(Synthetic Spectrum of star MARVELS-4*)
*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
