|
Exoplanet Name : |
YSES 2 b |
|
Alternate Name : |
"TYC 8984-2245-1 b, 2MASS J11275535-6626046 b" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
6.3000 |
(Mjup) |
2003.0094 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
114.0000 |
(AU) |
114.0000 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0000 |
|
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
423888.04 |
(Days Est.) |
|
Surface Gravity (G Earth) |
19.3437 |
|
Star Radiation at Atmospheric Boundary: |
0.1 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
22.8 |
(K) |
|
Blackbody T 0.3(K) |
21.4 |
(K) |
|
Blackbody T 0.7(K) |
17.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
27.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
25.5 |
(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 : |
YSES 2 |
|
Alternate Name : |
"TYC 8984-2245-1, 2MASS J11275535-6626046" |
|
Star Distance(LY) : |
356.3 |
|
Stellar Radius(Rsun) : |
1.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
|
Star Age : |
13.9 |
(GY) |
|
Temperature : |
4749 |
(K) |
|
Spectral type : |
K1V |
|
UV portion[%]: |
2.3 |
|
Visible portion[%]: |
34.9 |
|
IR portion[%]: |
62.8 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
5.7 |
|
Apparent Magnitude: |
10.9 |
|
Right Ascension(RA) |
171.9792 |
|
Declination (DEC) |
-66.4347 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
https://simbad.u-strasbg.fr/simbad/sim-basic?Ident=YSES+2&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
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YSES 2 b
YSES 2 b
YSES 2 b is an exoplanet orbiting the star YSES 2, located about 356.3 light-years (109.2 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star YSES 2 has apparent magnitude of 10.9, with absolute magnitude of 5.7. It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 4749 with its spectral types of K1V
(Projected orbit of YSES 2 b around its host star YSES 2)
The Star YSES 2 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.583 AU ( 87197271.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.806 AU ( 120529416.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.228 AU ( 183660157.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.807 AU ( 270263967.6 km)
Radiation at Planetary Boundary of YSES 2 b : 0.07 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star YSES 2)
Kopparapu Recent Venus for Star YSES 2 distance : 0.638 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star YSES 2 distance : 0.807 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star YSES 2 distance : 0.780 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star YSES 2 distance : 0.856 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star YSES 2 distance : 1.479 AU
Kopparapu Outer Boundary for Early Mars for Star YSES 2 distance : 1.560 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star YSES 2)
Original Kopparapu Recent Venus for Star YSES 2 distance : 0.630 AU
Original Kopparapu Runaway Greenhouse for Star YSES 2 distance : 0.833 AU
Original Kopparapu Moist Greenhouse for Star YSES 2 distance : 0.833 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star YSES 2 distance : 1.503 AU
Original Kopparapu Outer Boundary for Early Mars for Star YSES 2 distance : 1.563 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star YSES 2)
(Position in Stellar Map of star YSES 2 and its Exoplanet YSES 2 b)
(Zoomed position in Stellar Map of star YSES 2 and its Exoplanet YSES 2 b (zoom level 3))
(Synthetic Spectrum of star YSES 2*)
*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
