|
Exoplanet Name : |
L 168-9 b |
|
Alternate Name : |
"TOI-134 b, TOI-134.01" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1392 |
(Rjup) |
1.5603 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0126 |
(Mjup) |
4.0219 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0208 |
(AU) |
0.0208 |
(AU Est.) |
|
Eccentricity : |
0.0220 |
|
Orbital Period(Yrs) |
0.0038 |
|
Orbital Period(Observed/Estimated) |
1.40 |
(Days Obs.) |
1.40 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.6520 |
|
Star Radiation at Atmospheric Boundary: |
225310.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
972.4 |
(K) |
|
Blackbody T 0.3(K) |
913.2 |
(K) |
|
Blackbody T 0.7(K) |
738.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1156.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1085.9 |
(K) |
|
Size Class: |
super-Earth-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
L 168-9 |
|
Alternate Name : |
"TOI-134, GJ 4332, HIP 115211" |
|
Star Distance(LY) : |
82.1 |
|
Stellar Radius(Rsun) : |
0.6 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.6 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3842 |
(K) |
|
Spectral type : |
M0.5V |
|
UV portion[%]: |
0.4 |
|
Visible portion[%]: |
19.3 |
|
IR portion[%]: |
80.3 |
|
Metalicity : |
-0.0 |
|
Absolute Magnitude: |
9.0 |
|
Apparent Magnitude: |
11.0 |
|
Right Ascension(RA) |
350.0314 |
|
Declination (DEC) |
-60.0653 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=L+168-9+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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L 168-9 b
L 168-9 b
L 168-9 b is an exoplanet orbiting the star L 168-9, located about 82.1 light-years (25.2 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star L 168-9 has apparent magnitude of 11.0, with absolute magnitude of 9.0. It is 0.6 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3842 with its spectral types of M0.5V
In this planetary system, the extrasolar planet L 168-9 b orbits around the star L 168-9 every 1.4 days with its orbital distance of 0.02 AU ( 3111635.7 km)
(Projected orbit of L 168-9 b around its host star L 168-9)
The Star L 168-9 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.193 AU ( 28894140.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.267 AU ( 39939252.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.407 AU ( 60858582.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.599 AU ( 89556069.6 km)
Radiation at Planetary Boundary of L 168-9 b : 225310.51 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star L 168-9)
Kopparapu Recent Venus for Star L 168-9 distance : 0.217 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star L 168-9 distance : 0.275 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star L 168-9 distance : 0.265 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star L 168-9 distance : 0.292 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star L 168-9 distance : 0.526 AU
Kopparapu Outer Boundary for Early Mars for Star L 168-9 distance : 0.554 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star L 168-9)
Original Kopparapu Recent Venus for Star L 168-9 distance : 0.215 AU
Original Kopparapu Runaway Greenhouse for Star L 168-9 distance : 0.284 AU
Original Kopparapu Moist Greenhouse for Star L 168-9 distance : 0.284 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star L 168-9 distance : 0.534 AU
Original Kopparapu Outer Boundary for Early Mars for Star L 168-9 distance : 0.555 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star L 168-9)
(Position in Stellar Map of star L 168-9 and its Exoplanet L 168-9 b)
(Zoomed position in Stellar Map of star L 168-9 and its Exoplanet L 168-9 b (zoom level 3))
(Synthetic Spectrum of star L 168-9*)
*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
