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Exoplanet Name : |
DE0823-49 b |
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Alternate Name : |
DENIS J082303.1-491201 b |
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Status : |
Confirmed |
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Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
31.5000 |
(Mjup) |
10015.0470 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.3600 |
(AU) |
0.3600 |
(AU Est.) |
|
Eccentricity : |
0.3600 |
|
Orbital Period(Yrs) |
0.6783 |
|
Orbital Period(Observed/Estimated) |
247.75 |
(Days Obs.) |
371.91 |
(Days Est.) |
|
Surface Gravity (G Earth) |
96.7186 |
|
Star Radiation at Atmospheric Boundary: |
0.4 |
(W/m2) |
|
Measured Temperature (K) |
1670.0 |
(K) |
|
Blackbody T 0.1(K) |
35.7 |
(K) |
|
Blackbody T 0.3(K) |
33.5 |
(K) |
|
Blackbody T 0.7(K) |
27.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
42.5 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
39.9 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
|
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Detection Type : |
Imaging |
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Mass Detection : |
Astrometry |
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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 : |
DE0823-49 |
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Alternate Name : |
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Star Distance(LY) : |
67.5 |
|
Stellar Radius(Rsun) : |
0.0 |
(Rsun Estimated) |
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Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
0.1 |
(Msun Estimated) |
|
Star Age : |
0.1 |
(GY) |
|
Temperature : |
2150 |
(K) |
|
Spectral type : |
M9 |
|
UV portion[%]: |
0.5 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.1 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
20.4 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
125.7625 |
|
Declination (DEC) |
-48.7997 |
|
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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DE0823-49 b
DE0823-49 b
DE0823-49 b is an exoplanet orbiting the star DE0823-49, located about 67.5 light-years (20.7 pc) away from Solar System. Its discovery was publicly announced on 2013.
The host star DE0823-49 has apparent magnitude of 22.0, with absolute magnitude of 20.4. It is 0.0 times more massive and 0.0 times bigger compared with our Sun. The surface temperature is 2150 with its spectral types of M9
In this planetary system, the extrasolar planet DE0823-49 b orbits around the star DE0823-49 every 247.8 days with its orbital distance of 0.36 AU ( 53855233.5 km)
(Projected orbit of DE0823-49 b around its host star DE0823-49)
The Star DE0823-49 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.005 AU ( 674136.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.006 AU ( 931832.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.009 AU ( 1419906.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.014 AU ( 2089453.9 km)
Radiation at Planetary Boundary of DE0823-49 b : 0.41 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star DE0823-49)
Kopparapu Recent Venus for Star DE0823-49 distance : 0.005 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star DE0823-49 distance : 0.007 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star DE0823-49 distance : 0.006 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star DE0823-49 distance : 0.007 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star DE0823-49 distance : 0.014 AU
Kopparapu Outer Boundary for Early Mars for Star DE0823-49 distance : 0.014 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star DE0823-49)
Original Kopparapu Recent Venus for Star DE0823-49 distance : 0.005 AU
Original Kopparapu Runaway Greenhouse for Star DE0823-49 distance : 0.007 AU
Original Kopparapu Moist Greenhouse for Star DE0823-49 distance : 0.007 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star DE0823-49 distance : 0.014 AU
Original Kopparapu Outer Boundary for Early Mars for Star DE0823-49 distance : 0.014 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star DE0823-49)
(Position in Stellar Map of star DE0823-49 and its Exoplanet DE0823-49 b)
(Zoomed position in Stellar Map of star DE0823-49 and its Exoplanet DE0823-49 b (zoom level 3))
(Synthetic Spectrum of star DE0823-49*)
*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
