|
Exoplanet Name : |
b Cen b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
10.9000 |
(Mjup) |
3465.5242 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
556.0000 |
(AU) |
556.0000 |
(AU Est.) |
|
Eccentricity : |
0.4000 |
|
Orbital Period(Yrs) |
4927.9965 |
|
Orbital Period(Observed/Estimated) |
1800000.00 |
(Days Obs.) |
2041836.99 |
(Days Est.) |
|
Surface Gravity (G Earth) |
33.4677 |
|
Star Radiation at Atmospheric Boundary: |
3.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
60.5 |
(K) |
|
Blackbody T 0.3(K) |
56.8 |
(K) |
|
Blackbody T 0.7(K) |
46.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
71.9 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
67.6 |
(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 : |
b Cen |
|
Alternate Name : |
|
|
Star Distance(LY) : |
325.2 |
|
Stellar Radius(Rsun) : |
3.0 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
5.5 |
(Msun Measured) |
7.1 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
17600 |
(K) |
|
Spectral type : |
B3V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
-1.0 |
|
Apparent Magnitude: |
4.0 |
|
Right Ascension(RA) |
220.4917 |
|
Declination (DEC) |
-37.7936 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
07819-02819 |
|
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=+b+Cen&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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b Cen b
b Cen b
b Cen b is an exoplanet orbiting the star b Cen, located about 325.2 light-years (99.7 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star b Cen has apparent magnitude of 4.0, with absolute magnitude of -1.0. It is 5.5 times more massive and 3.0 times bigger compared with our Sun. The surface temperature is 17600 with its spectral types of B3V
In this planetary system, the extrasolar planet b Cen b orbits around the star b Cen every 1800000.0 days with its orbital distance of 556.00 AU ( 83176416109.2 km)
(Projected orbit of b Cen b around its host star b Cen)
The Star b Cen 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 19.979 AU ( 2988809090.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 27.616 AU ( 4131315232.9 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 42.081 AU ( 6295210156.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 61.924 AU ( 9263677521.1 km)
Radiation at Planetary Boundary of b Cen b : 3.37 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star b Cen)
Kopparapu Recent Venus for Star b Cen distance : nan AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star b Cen distance : nan AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star b Cen distance : nan AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star b Cen distance : nan AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star b Cen distance : nan AU
Kopparapu Outer Boundary for Early Mars for Star b Cen distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star b Cen)
Original Kopparapu Recent Venus for Star b Cen distance : nan AU
Original Kopparapu Runaway Greenhouse for Star b Cen distance : nan AU
Original Kopparapu Moist Greenhouse for Star b Cen distance : nan AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star b Cen distance : nan AU
Original Kopparapu Outer Boundary for Early Mars for Star b Cen distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star b Cen)
(Position in Stellar Map of star b Cen and its Exoplanet b Cen b)
(Zoomed position in Stellar Map of star b Cen and its Exoplanet b Cen b (zoom level 3))
(Synthetic Spectrum of star b Cen*)
*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
