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Exoplanet Name : |
2MASS J155947+440359 b |
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Alternate Name : |
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Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
43.0000 |
(Mjup) |
13671.3340 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1101.2300 |
(AU) |
1101.2300 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
13992218.54 |
(Days Est.) |
|
Surface Gravity (G Earth) |
132.0286 |
|
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
3.5 |
(K) |
|
Blackbody T 0.3(K) |
3.3 |
(K) |
|
Blackbody T 0.7(K) |
2.7 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
4.2 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
4.0 |
(K) |
|
Size Class: |
Jupiter-size |
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Mass Class: |
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Detection Type : |
Imaging |
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Mass Detection : |
Spectrum |
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Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
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Star Name : |
2MASS J155947+440359 |
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Alternate Name : |
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Star Distance(LY) : |
146.0 |
|
Stellar Radius(Rsun) : |
0.5 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.9 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3600 |
(K) |
|
Spectral type : |
M2.0V |
|
UV portion[%]: |
0.4 |
|
Visible portion[%]: |
16.6 |
|
IR portion[%]: |
83.0 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
8.5 |
|
Apparent Magnitude: |
11.8 |
|
Right Ascension(RA) |
239.9458 |
|
Declination (DEC) |
44.0667 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
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Discovery Paper - Authors |
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|
Discovery Paper - Title |
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|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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SIMBAD LINK |
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Open Exoplanet Database Link |
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2MASS J155947+440359 b
2MASS J155947+440359 b
2MASS J155947+440359 b is an exoplanet orbiting the star 2MASS J155947+440359, located about 146.0 light-years (44.8 pc) away from Solar System. Its discovery was publicly announced on 2012.
The host star 2MASS J155947+440359 has apparent magnitude of 11.8, with absolute magnitude of 8.5. It is 0.9 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3600 with its spectral types of M2.0V
(Projected orbit of 2MASS J155947+440359 b around its host star 2MASS J155947+440359)
The Star 2MASS J155947+440359 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.135 AU ( 20241710.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.187 AU ( 27979333.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.285 AU ( 42634312.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.419 AU ( 62738259.0 km)
Radiation at Planetary Boundary of 2MASS J155947+440359 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star 2MASS J155947+440359)
Kopparapu Recent Venus for Star 2MASS J155947+440359 distance : 0.153 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star 2MASS J155947+440359 distance : 0.193 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star 2MASS J155947+440359 distance : 0.187 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star 2MASS J155947+440359 distance : 0.205 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J155947+440359 distance : 0.374 AU
Kopparapu Outer Boundary for Early Mars for Star 2MASS J155947+440359 distance : 0.395 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star 2MASS J155947+440359)
Original Kopparapu Recent Venus for Star 2MASS J155947+440359 distance : 0.151 AU
Original Kopparapu Runaway Greenhouse for Star 2MASS J155947+440359 distance : 0.200 AU
Original Kopparapu Moist Greenhouse for Star 2MASS J155947+440359 distance : 0.200 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star 2MASS J155947+440359 distance : 0.380 AU
Original Kopparapu Outer Boundary for Early Mars for Star 2MASS J155947+440359 distance : 0.395 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star 2MASS J155947+440359)
(Position in Stellar Map of star 2MASS J155947+440359 and its Exoplanet 2MASS J155947+440359 b)
(Zoomed position in Stellar Map of star 2MASS J155947+440359 and its Exoplanet 2MASS J155947+440359 b (zoom level 3))
(Synthetic Spectrum of star 2MASS J155947+440359*)
*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
