|
Exoplanet Name : |
HD 29399 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
1.5700 |
(Mjup) |
499.1627 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.9130 |
(AU) |
1.9130 |
(AU Est.) |
|
Eccentricity : |
0.0500 |
|
Orbital Period(Yrs) |
2.4440 |
|
Orbital Period(Observed/Estimated) |
892.70 |
(Days Obs.) |
901.18 |
(Days Est.) |
|
Surface Gravity (G Earth) |
4.8206 |
|
Star Radiation at Atmospheric Boundary: |
3563.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
344.8 |
(K) |
|
Blackbody T 0.3(K) |
323.8 |
(K) |
|
Blackbody T 0.7(K) |
262.0 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
410.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
385.1 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 29399 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
144.2 |
|
Stellar Radius(Rsun) : |
4.5 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
6.2 |
(GY) |
|
Temperature : |
4803 |
(K) |
|
Spectral type : |
K1III |
|
UV portion[%]: |
2.4 |
|
Visible portion[%]: |
35.5 |
|
IR portion[%]: |
62.1 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
18.8 |
|
Apparent Magnitude: |
22.0 |
|
Right Ascension(RA) |
68.3917 |
|
Declination (DEC) |
-62.8236 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
08872-00806 |
|
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=HD+29399&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
 |
 |
 |
 |
/
HD 29399 b
HD 29399 b
HD 29399 b is an exoplanet orbiting the star HD 29399, located about 144.2 light-years (44.2 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star HD 29399 has apparent magnitude of 22.0, with absolute magnitude of 18.8. It is 1.1 times more massive and 4.5 times bigger compared with our Sun. The surface temperature is 4803 with its spectral types of K1III
In this planetary system, the extrasolar planet HD 29399 b orbits around the star HD 29399 every 892.7 days with its orbital distance of 1.91 AU ( 286180726.6 km)
(Projected orbit of HD 29399 b around its host star HD 29399)
The Star HD 29399 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 2.234 AU ( 334187967.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 3.088 AU ( 461935104.7 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 4.705 AU ( 703886873.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 6.924 AU ( 1035800369.8 km)
Radiation at Planetary Boundary of HD 29399 b : 3563.20 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 29399)
Kopparapu Recent Venus for Star HD 29399 distance : 2.438 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 29399 distance : 3.087 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 29399 distance : 2.982 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 29399 distance : 3.273 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 29399 distance : 5.641 AU
Kopparapu Outer Boundary for Early Mars for Star HD 29399 distance : 5.950 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 29399)
Original Kopparapu Recent Venus for Star HD 29399 distance : 2.409 AU
Original Kopparapu Runaway Greenhouse for Star HD 29399 distance : 3.183 AU
Original Kopparapu Moist Greenhouse for Star HD 29399 distance : 3.187 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 29399 distance : 5.734 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 29399 distance : 5.964 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 29399)
(Position in Stellar Map of star HD 29399 and its Exoplanet HD 29399 b)
(Zoomed position in Stellar Map of star HD 29399 and its Exoplanet HD 29399 b (zoom level 3))
(Synthetic Spectrum of star HD 29399*)
*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
