|
Exoplanet Name : |
Elias 2-27 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): |
11.0000 |
(Mjup) |
3497.3180 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
500.0000 |
(AU) |
500.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
15632.7000 |
|
Orbital Period(Observed/Estimated) |
5710000.00 |
(Days Obs.) |
5775109.58 |
(Days Est.) |
|
Surface Gravity (G Earth) |
33.7748 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
12.3 |
(K) |
|
Blackbody T 0.3(K) |
11.5 |
(K) |
|
Blackbody T 0.7(K) |
9.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
14.6 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
13.7 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
|
|
Detection Type : |
"Imaging, Other" |
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Mass Detection : |
Theoretical |
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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 : |
Elias 2-27 |
|
Alternate Name : |
"GSS 39, ISO-Oph 67, 2MASS J16264502-2423077" |
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Star Distance(LY) : |
375.1 |
|
Stellar Radius(Rsun) : |
2.3 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.5 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3850 |
(K) |
|
Spectral type : |
M0 |
|
UV portion[%]: |
0.4 |
|
Visible portion[%]: |
19.1 |
|
IR portion[%]: |
80.5 |
|
Metalicity : |
-0.5 |
|
Absolute Magnitude: |
7.9 |
|
Apparent Magnitude: |
13.2 |
|
Right Ascension(RA) |
246.6876 |
|
Declination (DEC) |
-24.3855 |
|
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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Elias 2-27 b
Elias 2-27 b
Elias 2-27 b is an exoplanet orbiting the star Elias 2-27, located about 375.1 light-years (115.0 pc) away from Solar System. Its discovery was publicly announced on 2017.
The host star Elias 2-27 has apparent magnitude of 13.2, with absolute magnitude of 7.9. It is 0.5 times more massive and 2.3 times bigger compared with our Sun. The surface temperature is 3850 with its spectral types of M0
In this planetary system, the extrasolar planet Elias 2-27 b orbits around the star Elias 2-27 every 5710000.0 days with its orbital distance of 500.00 AU ( 74798935350.0 km)
(Projected orbit of Elias 2-27 b around its host star Elias 2-27)
The Star Elias 2-27 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.739 AU ( 110486039.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.021 AU ( 152720580.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.556 AU ( 232712367.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.289 AU ( 342446443.6 km)
Radiation at Planetary Boundary of Elias 2-27 b : 0.01 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Elias 2-27)
Kopparapu Recent Venus for Star Elias 2-27 distance : 0.830 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star Elias 2-27 distance : 1.050 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Elias 2-27 distance : 1.014 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star Elias 2-27 distance : 1.115 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star Elias 2-27 distance : 2.008 AU
Kopparapu Outer Boundary for Early Mars for Star Elias 2-27 distance : 2.119 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star Elias 2-27)
Original Kopparapu Recent Venus for Star Elias 2-27 distance : 0.821 AU
Original Kopparapu Runaway Greenhouse for Star Elias 2-27 distance : 1.087 AU
Original Kopparapu Moist Greenhouse for Star Elias 2-27 distance : 1.086 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Elias 2-27 distance : 2.040 AU
Original Kopparapu Outer Boundary for Early Mars for Star Elias 2-27 distance : 2.122 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star Elias 2-27)
(Position in Stellar Map of star Elias 2-27 and its Exoplanet Elias 2-27 b)
(Zoomed position in Stellar Map of star Elias 2-27 and its Exoplanet Elias 2-27 b (zoom level 3))
(Synthetic Spectrum of star Elias 2-27*)
*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
