|
Exoplanet Name : |
79 Cet Ab |
|
Alternate Name : |
HD 16141 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.2150 |
(Mjup) |
68.3567 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.3500 |
(AU) |
0.3500 |
(AU Est.) |
|
Eccentricity : |
0.2800 |
|
Orbital Period(Yrs) |
0.2076 |
|
Orbital Period(Observed/Estimated) |
75.82 |
(Days Obs.) |
75.25 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.6601 |
|
Star Radiation at Atmospheric Boundary: |
9382.3 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
439.3 |
(K) |
|
Blackbody T 0.3(K) |
412.5 |
(K) |
|
Blackbody T 0.7(K) |
333.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
522.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
490.6 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
79 Cet A |
|
Alternate Name : |
"HD 16141, HIP 12048" |
|
Star Distance(LY) : |
117.1 |
|
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.0 |
(Msun Measured) |
1.0 |
(Msun Estimated) |
|
Star Age : |
7.8 |
(GY) |
|
Temperature : |
5533 |
(K) |
|
Spectral type : |
G5 IV |
|
UV portion[%]: |
7.0 |
|
Visible portion[%]: |
43.4 |
|
IR portion[%]: |
49.5 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
4.0 |
|
Apparent Magnitude: |
6.8 |
|
Right Ascension(RA) |
38.8292 |
|
Declination (DEC) |
-3.5606 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
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|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
|
|
Open Exoplanet Database Link |
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79 Cet Ab
79 Cet Ab
79 Cet Ab is an exoplanet orbiting the star 79 Cet A, located about 117.1 light-years (35.9 pc) away from Solar System. Its discovery was publicly announced on 2000.
The host star 79 Cet A has apparent magnitude of 6.8, with absolute magnitude of 4.0. It is 1.0 times more massive and 1.0 times bigger compared with our Sun. The surface temperature is 5533 with its spectral types of G5 IV
In this planetary system, the extrasolar planet 79 Cet Ab orbits around the star 79 Cet A every 75.8 days with its orbital distance of 0.35 AU ( 52359254.7 km)
(Projected orbit of 79 Cet Ab around its host star 79 Cet A)
The Star 79 Cet A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.663 AU ( 99215483.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.917 AU ( 137141726.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.397 AU ( 208973641.4 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.056 AU ( 307513867.8 km)
Radiation at Planetary Boundary of 79 Cet Ab : 9382.35 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 79 Cet A)
Kopparapu Recent Venus for Star 79 Cet A distance : 0.697 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 79 Cet A distance : 0.883 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 79 Cet A distance : 0.853 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 79 Cet A distance : 0.935 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 79 Cet A distance : 1.571 AU
Kopparapu Outer Boundary for Early Mars for Star 79 Cet A distance : 1.657 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 79 Cet A)
Original Kopparapu Recent Venus for Star 79 Cet A distance : 0.695 AU
Original Kopparapu Runaway Greenhouse for Star 79 Cet A distance : 0.908 AU
Original Kopparapu Moist Greenhouse for Star 79 Cet A distance : 0.920 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 79 Cet A distance : 1.598 AU
Original Kopparapu Outer Boundary for Early Mars for Star 79 Cet A distance : 1.662 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 79 Cet A)
(Position in Stellar Map of star 79 Cet A and its Exoplanet 79 Cet Ab)
(Zoomed position in Stellar Map of star 79 Cet A and its Exoplanet 79 Cet Ab (zoom level 3))
(Synthetic Spectrum of star 79 Cet 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
