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Exoplanet Name : |
OGLE-2012-BLG-0838 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) |
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Mass (Mjup / Me): |
0.2500 |
(Mjup) |
79.4845 |
(Mearth) |
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Semi Major Axis / Orbital Distance Calculated |
4.2000 |
(AU) |
4.2000 |
(AU Est.) |
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Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
4278.26 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.7676 |
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Star Radiation at Atmospheric Boundary: |
2.0 |
(W/m2) |
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Measured Temperature (K) |
0.0 |
(K) |
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Blackbody T 0.1(K) |
53.3 |
(K) |
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Blackbody T 0.3(K) |
50.0 |
(K) |
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Blackbody T 0.7(K) |
40.5 |
(K) |
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Tidally Locked Blackbody T 0.1(K) |
63.3 |
(K) |
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Tidally Locked Blackbody T 0.3(K) |
59.5 |
(K) |
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Size Class: |
Jupiter-size |
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Mass Class: |
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Detection Type : |
Microlensing |
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Mass Detection : |
Microlensing |
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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 : |
OGLE-2012-BLG-0838 |
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Alternate Name : |
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Star Distance(LY) : |
21591.5 |
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Stellar Radius(Rsun) : |
0.5 |
(Rsun Estimated) |
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Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
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Star Age : |
0.0 |
(GY) |
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Temperature : |
3300 |
(K) |
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Spectral type : |
M9 |
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UV portion[%]: |
0.2 |
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Visible portion[%]: |
11.2 |
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IR portion[%]: |
88.6 |
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Metalicity : |
0.0 |
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Absolute Magnitude: |
7.9 |
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Apparent Magnitude: |
22.0 |
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Right Ascension(RA) |
273.0042 |
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Declination (DEC) |
-25.7117 |
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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 |
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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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OGLE-2012-BLG-0838 b
OGLE-2012-BLG-0838 b
OGLE-2012-BLG-0838 b is an exoplanet orbiting the star OGLE-2012-BLG-0838, located about 21591.5 light-years (6620.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star OGLE-2012-BLG-0838 has apparent magnitude of 22.0, with absolute magnitude of 7.9. It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
(Projected orbit of OGLE-2012-BLG-0838 b around its host star OGLE-2012-BLG-0838)
The Star OGLE-2012-BLG-0838 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.117 AU ( 17506310.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.162 AU ( 24198295.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.246 AU ( 36872847.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.363 AU ( 54260009.8 km)
Radiation at Planetary Boundary of OGLE-2012-BLG-0838 b : 2.03 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star OGLE-2012-BLG-0838)
Kopparapu Recent Venus for Star OGLE-2012-BLG-0838 distance : 0.133 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star OGLE-2012-BLG-0838 distance : 0.168 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star OGLE-2012-BLG-0838 distance : 0.162 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star OGLE-2012-BLG-0838 distance : 0.178 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star OGLE-2012-BLG-0838 distance : 0.329 AU
Kopparapu Outer Boundary for Early Mars for Star OGLE-2012-BLG-0838 distance : 0.348 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star OGLE-2012-BLG-0838)
Original Kopparapu Recent Venus for Star OGLE-2012-BLG-0838 distance : 0.132 AU
Original Kopparapu Runaway Greenhouse for Star OGLE-2012-BLG-0838 distance : 0.174 AU
Original Kopparapu Moist Greenhouse for Star OGLE-2012-BLG-0838 distance : 0.174 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star OGLE-2012-BLG-0838 distance : 0.335 AU
Original Kopparapu Outer Boundary for Early Mars for Star OGLE-2012-BLG-0838 distance : 0.348 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star OGLE-2012-BLG-0838)
(Position in Stellar Map of star OGLE-2012-BLG-0838 and its Exoplanet OGLE-2012-BLG-0838 b)
(Zoomed position in Stellar Map of star OGLE-2012-BLG-0838 and its Exoplanet OGLE-2012-BLG-0838 b (zoom level 3))
(Synthetic Spectrum of star OGLE-2012-BLG-0838*)
*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
