Exoplanet Name : |
nu2 Lup c |
Alternate Name : |
HD 136352 c |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.2549 |
(Rjup) |
2.8571 |
(Rearth) |
Mass (Mjup / Me): |
0.0353 |
(Mjup) |
11.2232 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.1717 |
(AU) |
0.1717 |
(AU Est.) |
Eccentricity : |
0.0370 |
Orbital Period(Yrs) |
0.0755 |
Orbital Period(Observed/Estimated) |
27.59 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
1.3749 |
Star Radiation at Atmospheric Boundary: |
37090.6 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
619.4 |
(K) |
Blackbody T 0.3(K) |
581.7 |
(K) |
Blackbody T 0.7(K) |
470.6 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
736.6 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
691.7 |
(K) |
Size Class: |
sub-Neptune-size |
Mass Class: |
|
Detection Type : |
Radial Velocity |
Mass Detection : |
Radial Velocity |
Radius Detection : |
Primary Transit |
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
nu2 Lup |
Alternate Name : |
HD 136352 |
Star Distance(LY) : |
48.3 |
Stellar Radius(Rsun) : |
0.9 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
0.9 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
5700 |
(K) |
Spectral type : |
G4V |
UV portion[%]: |
7.6 |
Visible portion[%]: |
44.4 |
IR portion[%]: |
48.0 |
Metalicity : |
0.0 |
Absolute Magnitude: |
4.8 |
Apparent Magnitude: |
5.7 |
Right Ascension(RA) |
230.4500 |
Declination (DEC) |
-48.3175 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
08298-01229 |
Discovered by |
|
Discovery Paper - Authors |
0 |
Discovery Paper - Title |
|
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+136352+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%20136352%20c/ |
![](nu2_Lup_c_CSun.png) |
![](nu2_Lup_c_CJup.png) |
![](nu2_Lup_c_CNep.png) |
![](nu2_Lup_c_CEar.png) |
/
nu2 Lup c
nu2 Lup c
nu2 Lup c is an exoplanet orbiting the star nu2 Lup, located about 48.3 light-years (14.8 pc) away from Solar System. Its discovery was publicly announced on 2011.
The host star nu2 Lup has apparent magnitude of 5.7, with absolute magnitude of 4.8.
In this planetary system, the extrasolar planet nu2 Lup c orbits around the star nu2 Lup every 27.6 days with its orbital distance of 0.17 AU ( 25685954.4 km)
(Projected orbit of nu2 Lup c around its host star nu2 Lup)
![](nu2_Lup_c_Orb.png)
The Star nu2 Lup 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.647 AU ( 96773886.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.894 AU ( 133766800.6 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.363 AU ( 203831001.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.005 AU ( 299946248.0 km)
Radiation at Planetary Boundary of nu2 Lup c : 37090.64 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star nu2 Lup)
![](nu2_Lup_c_OrbH.png)
Kopparapu Recent Venus for Star nu2 Lup distance : 0.674 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star nu2 Lup distance : 0.853 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star nu2 Lup distance : 0.824 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star nu2 Lup distance : 0.903 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star nu2 Lup distance : 1.510 AU
Kopparapu Outer Boundary for Early Mars for Star nu2 Lup distance : 1.592 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star nu2 Lup)
![](nu2_Lup_c_OrbK.png)
Original Kopparapu Recent Venus for Star nu2 Lup distance : 0.673 AU
Original Kopparapu Runaway Greenhouse for Star nu2 Lup distance : 0.877 AU
Original Kopparapu Moist Greenhouse for Star nu2 Lup distance : 0.891 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star nu2 Lup distance : 1.536 AU
Original Kopparapu Outer Boundary for Early Mars for Star nu2 Lup distance : 1.597 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star nu2 Lup)
![](nu2_Lup_c_OrbKO.png)
(Position in Stellar Map of star nu2 Lup and its Exoplanet nu2 Lup c)
![](nu2_Lup_c_STZ0.png)
(Zoomed position in Stellar Map of star nu2 Lup and its Exoplanet nu2 Lup c (zoom level 3))
![](nu2_Lup_c_STZ3.png)
(Synthetic Spectrum of star nu2 Lup*)
![](nu2_Lup_c_Spc.png)
*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