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Exoplanet Name : |
V808 Aur b |
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Alternate Name : |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
6.8000 |
(Mjup) |
2161.9784 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
4.8474 |
(AU Est.) |
|
Eccentricity : |
0.8050 |
|
Orbital Period(Yrs) |
11.2495 |
|
Orbital Period(Observed/Estimated) |
4109.00 |
(Days Obs.) |
0.00 |
(Days Est.) |
|
Surface Gravity (G Earth) |
20.8789 |
|
Star Radiation at Atmospheric Boundary: |
4.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
64.6 |
(K) |
|
Blackbody T 0.3(K) |
60.7 |
(K) |
|
Blackbody T 0.7(K) |
49.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
76.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
72.2 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
|
|
Detection Type : |
Timing |
|
Mass Detection : |
Timing |
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Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
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Star Name : |
V808 Aur |
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Alternate Name : |
|
|
Star Distance(LY) : |
698.0 |
|
Stellar Radius(Rsun) : |
0.8 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.9 |
(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: |
9.3 |
|
Apparent Magnitude: |
16.0 |
|
Right Ascension(RA) |
107.8583 |
|
Declination (DEC) |
44.0681 |
|
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 |
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|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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V808 Aur b
V808 Aur b
V808 Aur b is an exoplanet orbiting the star V808 Aur, located about 698.0 light-years (214.0 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star V808 Aur has apparent magnitude of 16.0, with absolute magnitude of 9.3. It is 0.9 times more massive and 0.8 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
In this planetary system, the extrasolar planet V808 Aur b orbits around the star V808 Aur every 4109.0 days with its orbital distance of 4.85 AU ( 725165041.5 km)
(Projected orbit of V808 Aur b around its host star V808 Aur)
The Star V808 Aur 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.199 AU ( 29734450.2 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.275 AU ( 41100780.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.419 AU ( 62628494.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.616 AU ( 92160572.9 km)
Radiation at Planetary Boundary of V808 Aur b : 4.39 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star V808 Aur)
Kopparapu Recent Venus for Star V808 Aur distance : 0.225 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star V808 Aur distance : 0.285 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star V808 Aur distance : 0.275 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star V808 Aur distance : 0.303 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star V808 Aur distance : 0.560 AU
Kopparapu Outer Boundary for Early Mars for Star V808 Aur distance : 0.591 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star V808 Aur)
Original Kopparapu Recent Venus for Star V808 Aur distance : 0.224 AU
Original Kopparapu Runaway Greenhouse for Star V808 Aur distance : 0.295 AU
Original Kopparapu Moist Greenhouse for Star V808 Aur distance : 0.296 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star V808 Aur distance : 0.569 AU
Original Kopparapu Outer Boundary for Early Mars for Star V808 Aur distance : 0.591 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star V808 Aur)
(Position in Stellar Map of star V808 Aur and its Exoplanet V808 Aur b)
(Zoomed position in Stellar Map of star V808 Aur and its Exoplanet V808 Aur b (zoom level 3))
(Synthetic Spectrum of star V808 Aur*)
*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
