|
Exoplanet Name : |
lam2 For b |
|
Alternate Name : |
HD 16417 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2215 |
(Rjup) |
2.4832 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0529 |
(Mjup) |
16.8189 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1400 |
(AU) |
0.1400 |
(AU Est.) |
|
Eccentricity : |
0.2000 |
|
Orbital Period(Yrs) |
0.0472 |
|
Orbital Period(Observed/Estimated) |
17.24 |
(Days Obs.) |
17.61 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.7276 |
|
Star Radiation at Atmospheric Boundary: |
97723.3 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
789.1 |
(K) |
|
Blackbody T 0.3(K) |
741.1 |
(K) |
|
Blackbody T 0.7(K) |
599.6 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
938.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
881.3 |
(K) |
|
Size Class: |
sub-Neptune-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 : |
lam2 For |
|
Alternate Name : |
HD 16417 |
|
Star Distance(LY) : |
83.2 |
|
Stellar Radius(Rsun) : |
1.1 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
4.3 |
(GY) |
|
Temperature : |
5936 |
(K) |
|
Spectral type : |
G1V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
3.7 |
|
Apparent Magnitude: |
5.8 |
|
Right Ascension(RA) |
39.2458 |
|
Declination (DEC) |
-34.5781 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
|
|
Open Exoplanet Database Link |
|
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 |
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lam2 For b
lam2 For b
lam2 For b is an exoplanet orbiting the star lam2 For, located about 83.2 light-years (25.5 pc) away from Solar System. Its discovery was publicly announced on 2009.
The host star lam2 For has apparent magnitude of 5.8, with absolute magnitude of 3.7. It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 5936 with its spectral types of G1V
In this planetary system, the extrasolar planet lam2 For b orbits around the star lam2 For every 17.2 days with its orbital distance of 0.14 AU ( 20943701.9 km)
(Projected orbit of lam2 For b around its host star lam2 For)
The Star lam2 For 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.856 AU ( 128080416.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.183 AU ( 177040607.0 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.803 AU ( 269770706.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.654 AU ( 396979411.8 km)
Radiation at Planetary Boundary of lam2 For b : 97723.27 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star lam2 For)
Kopparapu Recent Venus for Star lam2 For distance : 0.879 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star lam2 For distance : 1.113 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star lam2 For distance : 1.075 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star lam2 For distance : 1.178 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star lam2 For distance : 1.958 AU
Kopparapu Outer Boundary for Early Mars for Star lam2 For distance : 2.065 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star lam2 For)
Original Kopparapu Recent Venus for Star lam2 For distance : 0.883 AU
Original Kopparapu Runaway Greenhouse for Star lam2 For distance : 1.143 AU
Original Kopparapu Moist Greenhouse for Star lam2 For distance : 1.168 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star lam2 For distance : 1.992 AU
Original Kopparapu Outer Boundary for Early Mars for Star lam2 For distance : 2.072 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star lam2 For)
(Position in Stellar Map of star lam2 For and its Exoplanet lam2 For b)
(Zoomed position in Stellar Map of star lam2 For and its Exoplanet lam2 For b (zoom level 3))
(Synthetic Spectrum of star lam2 For*)
*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
