|
Exoplanet Name : |
Wolf 940 b |
|
Alternate Name : |
2MASS J21464040-0010233 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9200 |
(Rjup) |
10.3123 |
(Rearth) |
|
Mass (Mjup / Me): |
26.0000 |
(Mjup) |
8266.3880 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
400.0000 |
(AU) |
400.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
5623391.62 |
(Days Est.) |
|
Surface Gravity (G Earth) |
77.7332 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
4.3 |
(K) |
|
Blackbody T 0.3(K) |
4.0 |
(K) |
|
Blackbody T 0.7(K) |
3.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
5.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
4.8 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Imaging |
|
Mass Detection : |
Spectrum |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
Wolf 940 |
|
Alternate Name : |
2MASS J21464040-0010233 |
|
Star Distance(LY) : |
40.8 |
|
Stellar Radius(Rsun) : |
0.3 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.3 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
5.0 |
(GY) |
|
Temperature : |
3400 |
(K) |
|
Spectral type : |
M4V |
|
UV portion[%]: |
0.2 |
|
Visible portion[%]: |
10.9 |
|
IR portion[%]: |
88.8 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
12.2 |
|
Apparent Magnitude: |
12.7 |
|
Right Ascension(RA) |
326.6684 |
|
Declination (DEC) |
-0.1733 |
|
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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Wolf 940 b
Wolf 940 b
Wolf 940 b is an exoplanet orbiting the star Wolf 940, located about 40.8 light-years (12.5 pc) away from Solar System. Its discovery was publicly announced on 2009.
The host star Wolf 940 has apparent magnitude of 12.7, with absolute magnitude of 12.2. It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3400 with its spectral types of M4V
(Projected orbit of Wolf 940 b around its host star Wolf 940)
The Star Wolf 940 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.073 AU ( 10922129.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.101 AU ( 15097236.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.154 AU ( 23004848.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.226 AU ( 33852641.7 km)
Radiation at Planetary Boundary of Wolf 940 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Wolf 940)
Kopparapu Recent Venus for Star Wolf 940 distance : 0.083 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star Wolf 940 distance : 0.105 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Wolf 940 distance : 0.101 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star Wolf 940 distance : 0.111 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star Wolf 940 distance : 0.204 AU
Kopparapu Outer Boundary for Early Mars for Star Wolf 940 distance : 0.216 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star Wolf 940)
Original Kopparapu Recent Venus for Star Wolf 940 distance : 0.082 AU
Original Kopparapu Runaway Greenhouse for Star Wolf 940 distance : 0.108 AU
Original Kopparapu Moist Greenhouse for Star Wolf 940 distance : 0.108 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Wolf 940 distance : 0.208 AU
Original Kopparapu Outer Boundary for Early Mars for Star Wolf 940 distance : 0.216 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star Wolf 940)
(Position in Stellar Map of star Wolf 940 and its Exoplanet Wolf 940 b)
(Zoomed position in Stellar Map of star Wolf 940 and its Exoplanet Wolf 940 b (zoom level 3))
(Synthetic Spectrum of star Wolf 940*)
*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
