|
Exoplanet Name : |
LHS 3154 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2094 |
(Rjup) |
2.3467 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0414 |
(Mjup) |
13.1531 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0226 |
(AU) |
0.0226 |
(AU Est.) |
|
Eccentricity : |
0.0760 |
|
Orbital Period(Yrs) |
0.0102 |
|
Orbital Period(Observed/Estimated) |
3.72 |
(Days Obs.) |
3.71 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.3885 |
|
Star Radiation at Atmospheric Boundary: |
3152.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
334.4 |
(K) |
|
Blackbody T 0.3(K) |
314.1 |
(K) |
|
Blackbody T 0.7(K) |
254.1 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
397.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
373.5 |
(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 : |
LHS-3154 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
51.4 |
|
Stellar Radius(Rsun) : |
0.1 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.1 |
(Msun Measured) |
0.1 |
(Msun Estimated) |
|
Star Age : |
5.0 |
(GY) |
|
Temperature : |
2861 |
(K) |
|
Spectral type : |
M6.5 |
|
UV portion[%]: |
0.1 |
|
Visible portion[%]: |
4.9 |
|
IR portion[%]: |
95.0 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
16.5 |
|
Apparent Magnitude: |
17.5 |
|
Right Ascension(RA) |
241.6375 |
|
Declination (DEC) |
40.9069 |
|
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 |
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|
Open Exoplanet Database Link |
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LHS 3154 b
LHS 3154 b
LHS 3154 b is an exoplanet orbiting the star LHS-3154, located about 51.4 light-years (15.8 pc) away from Solar System. Its discovery was publicly announced on 2023.
The host star LHS-3154 has apparent magnitude of 17.5, with absolute magnitude of 16.5. It is 0.1 times more massive and 0.1 times bigger compared with our Sun. The surface temperature is 2861 with its spectral types of M6.5
In this planetary system, the extrasolar planet LHS 3154 b orbits around the star LHS-3154 every 3.7 days with its orbital distance of 0.02 AU ( 3380911.9 km)
(Projected orbit of LHS 3154 b around its host star LHS-3154)
The Star LHS-3154 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.025 AU ( 3713828.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.034 AU ( 5133481.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.052 AU ( 7822290.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.077 AU ( 11510842.6 km)
Radiation at Planetary Boundary of LHS 3154 b : 3152.94 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LHS-3154)
Kopparapu Recent Venus for Star LHS-3154 distance : 0.028 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star LHS-3154 distance : 0.036 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star LHS-3154 distance : 0.034 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star LHS-3154 distance : 0.038 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star LHS-3154 distance : 0.072 AU
Kopparapu Outer Boundary for Early Mars for Star LHS-3154 distance : 0.076 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star LHS-3154)
Original Kopparapu Recent Venus for Star LHS-3154 distance : 0.028 AU
Original Kopparapu Runaway Greenhouse for Star LHS-3154 distance : 0.037 AU
Original Kopparapu Moist Greenhouse for Star LHS-3154 distance : 0.037 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LHS-3154 distance : 0.073 AU
Original Kopparapu Outer Boundary for Early Mars for Star LHS-3154 distance : 0.076 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star LHS-3154)
(Position in Stellar Map of star LHS-3154 and its Exoplanet LHS 3154 b)
(Zoomed position in Stellar Map of star LHS-3154 and its Exoplanet LHS 3154 b (zoom level 3))
(Synthetic Spectrum of star LHS-3154*)
*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
