|
Exoplanet Name : |
HD 23965 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
43.9000 |
(Mjup) |
13957.4782 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
5.5800 |
(AU) |
5.5800 |
(AU Est.) |
|
Eccentricity : |
0.8050 |
|
Orbital Period(Yrs) |
12.1713 |
|
Orbital Period(Observed/Estimated) |
4445.70 |
(Days Obs.) |
4394.92 |
(Days Est.) |
|
Surface Gravity (G Earth) |
134.7920 |
|
Star Radiation at Atmospheric Boundary: |
81.9 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
134.2 |
(K) |
|
Blackbody T 0.3(K) |
126.1 |
(K) |
|
Blackbody T 0.7(K) |
102.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
159.6 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
149.9 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
"Radial Velocity, Astrometry" |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 23965 |
|
Alternate Name : |
"HIP 17928, BD+22 575" |
|
Star Distance(LY) : |
140.5 |
|
Stellar Radius(Rsun) : |
1.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
6228 |
(K) |
|
Spectral type : |
F8V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
3.1 |
|
Apparent Magnitude: |
6.3 |
|
Right Ascension(RA) |
57.5144 |
|
Declination (DEC) |
22.5916 |
|
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 |
|
 |
 |
 |
 |
/
HD 23965 b
HD 23965 b
HD 23965 b is an exoplanet orbiting the star HD 23965, located about 140.5 light-years (43.1 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star HD 23965 has apparent magnitude of 6.3, with absolute magnitude of 3.1. It is 1.2 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6228 with its spectral types of F8V
In this planetary system, the extrasolar planet HD 23965 b orbits around the star HD 23965 every 4445.7 days with its orbital distance of 5.58 AU ( 834756118.5 km)
(Projected orbit of HD 23965 b around its host star HD 23965)
The Star HD 23965 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.988 AU ( 147742028.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.365 AU ( 204218092.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.080 AU ( 311183179.5 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.061 AU ( 457919680.7 km)
Radiation at Planetary Boundary of HD 23965 b : 81.85 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 23965)
Kopparapu Recent Venus for Star HD 23965 distance : 0.996 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 23965 distance : 1.261 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 23965 distance : 1.218 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 23965 distance : 1.335 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 23965 distance : 2.205 AU
Kopparapu Outer Boundary for Early Mars for Star HD 23965 distance : 2.325 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 23965)
Original Kopparapu Recent Venus for Star HD 23965 distance : 1.007 AU
Original Kopparapu Runaway Greenhouse for Star HD 23965 distance : 1.294 AU
Original Kopparapu Moist Greenhouse for Star HD 23965 distance : 1.332 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 23965 distance : 2.244 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 23965 distance : 2.334 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 23965)
(Position in Stellar Map of star HD 23965 and its Exoplanet HD 23965 b)
(Zoomed position in Stellar Map of star HD 23965 and its Exoplanet HD 23965 b (zoom level 3))
(Synthetic Spectrum of star HD 23965*)
*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
