|
Exoplanet Name : |
HD 71827 Ab |
|
Alternate Name : |
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|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
27.4300 |
(Mjup) |
8721.0393 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1228 |
(AU) |
0.1228 |
(AU Est.) |
|
Eccentricity : |
0.0765 |
|
Orbital Period(Yrs) |
0.0412 |
|
Orbital Period(Observed/Estimated) |
15.05 |
(Days Obs.) |
14.66 |
(Days Est.) |
|
Surface Gravity (G Earth) |
84.2220 |
|
Star Radiation at Atmospheric Boundary: |
176818.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
915.2 |
(K) |
|
Blackbody T 0.3(K) |
859.5 |
(K) |
|
Blackbody T 0.7(K) |
695.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1088.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1022.1 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 71827 A |
|
Alternate Name : |
|
|
Star Distance(LY) : |
143.5 |
|
Stellar Radius(Rsun) : |
1.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
6115 |
(K) |
|
Spectral type : |
F8V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
4.1 |
|
Apparent Magnitude: |
7.3 |
|
Right Ascension(RA) |
129.3102 |
|
Declination (DEC) |
77.0468 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
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Discovered by |
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|
Discovery Paper - Authors |
|
|
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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HD 71827 Ab
HD 71827 Ab
HD 71827 Ab is an exoplanet orbiting the star HD 71827 A, located about 143.5 light-years (44.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star HD 71827 A has apparent magnitude of 7.3, with absolute magnitude of 4.1. It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6115 with its spectral types of F8V
In this planetary system, the extrasolar planet HD 71827 Ab orbits around the star HD 71827 A every 15.1 days with its orbital distance of 0.12 AU ( 18370618.5 km)
(Projected orbit of HD 71827 Ab around its host star HD 71827 A)
The Star HD 71827 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.010 AU ( 151118449.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.396 AU ( 208885189.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.128 AU ( 318294801.9 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.131 AU ( 468384744.6 km)
Radiation at Planetary Boundary of HD 71827 Ab : 176818.14 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 71827 A)
Kopparapu Recent Venus for Star HD 71827 A distance : 1.026 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 71827 A distance : 1.299 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 71827 A distance : 1.255 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 71827 A distance : 1.375 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 71827 A distance : 2.276 AU
Kopparapu Outer Boundary for Early Mars for Star HD 71827 A distance : 2.400 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 71827 A)
Original Kopparapu Recent Venus for Star HD 71827 A distance : 1.034 AU
Original Kopparapu Runaway Greenhouse for Star HD 71827 A distance : 1.333 AU
Original Kopparapu Moist Greenhouse for Star HD 71827 A distance : 1.369 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 71827 A distance : 2.316 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 71827 A distance : 2.409 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 71827 A)
(Position in Stellar Map of star HD 71827 A and its Exoplanet HD 71827 Ab)
(Zoomed position in Stellar Map of star HD 71827 A and its Exoplanet HD 71827 Ab (zoom level 3))
(Synthetic Spectrum of star HD 71827 A*)
*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
