|
Exoplanet Name : |
L2 Pup b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
12.0000 |
(Mjup) |
3815.2560 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.0000 |
(AU) |
2.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
1272.60 |
(Days Est.) |
|
Surface Gravity (G Earth) |
36.8452 |
|
Star Radiation at Atmospheric Boundary: |
15.6 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
88.7 |
(K) |
|
Blackbody T 0.3(K) |
83.3 |
(K) |
|
Blackbody T 0.7(K) |
67.4 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
105.4 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
99.0 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
L2 Pup |
|
Alternate Name : |
|
|
Star Distance(LY) : |
208.7 |
|
Stellar Radius(Rsun) : |
0.6 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3500 |
(K) |
|
Spectral type : |
M5 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
14.5 |
|
IR portion[%]: |
85.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
1.1 |
|
Apparent Magnitude: |
5.1 |
|
Right Ascension(RA) |
108.3847 |
|
Declination (DEC) |
-44.6397 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
0 |
|
Discovery Paper - URL |
0 |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=L2+Pup&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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 |
 |
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/
L2 Pup b
L2 Pup b
L2 Pup b is an exoplanet orbiting the star L2 Pup, located about 208.7 light-years (64.0 pc) away from Solar System. Its discovery was publicly announced on 2016.
The host star L2 Pup has apparent magnitude of 5.1, with absolute magnitude of 1.1. It is 0.7 times more massive and 0.6 times bigger compared with our Sun. The surface temperature is 3500 with its spectral types of M5
(Projected orbit of L2 Pup b around its host star L2 Pup)
The Star L2 Pup 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.154 AU ( 23100241.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.213 AU ( 31930570.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.325 AU ( 48655123.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.479 AU ( 71598144.9 km)
Radiation at Planetary Boundary of L2 Pup b : 15.58 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star L2 Pup)
Kopparapu Recent Venus for Star L2 Pup distance : 0.174 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star L2 Pup distance : 0.221 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star L2 Pup distance : 0.213 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star L2 Pup distance : 0.235 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star L2 Pup distance : 0.430 AU
Kopparapu Outer Boundary for Early Mars for Star L2 Pup distance : 0.453 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star L2 Pup)
Original Kopparapu Recent Venus for Star L2 Pup distance : 0.173 AU
Original Kopparapu Runaway Greenhouse for Star L2 Pup distance : 0.229 AU
Original Kopparapu Moist Greenhouse for Star L2 Pup distance : 0.229 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star L2 Pup distance : 0.436 AU
Original Kopparapu Outer Boundary for Early Mars for Star L2 Pup distance : 0.454 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star L2 Pup)
(Position in Stellar Map of star L2 Pup and its Exoplanet L2 Pup b)
(Zoomed position in Stellar Map of star L2 Pup and its Exoplanet L2 Pup b (zoom level 3))
(Synthetic Spectrum of star L2 Pup*)
*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
