|
Exoplanet Name : |
TOI-411 d |
|
Alternate Name : |
HD 22946 d |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.2326 |
(Rjup) |
2.6070 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0249 |
(Mjup) |
7.9167 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.2958 |
(AU) |
0.2958 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.1298 |
|
Orbital Period(Observed/Estimated) |
47.42 |
(Days Obs.) |
55.92 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.1648 |
|
Star Radiation at Atmospheric Boundary: |
27902.4 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
576.8 |
(K) |
|
Blackbody T 0.3(K) |
541.7 |
(K) |
|
Blackbody T 0.7(K) |
438.3 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
686.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
644.2 |
(K) |
|
Size Class: |
sub-Neptune-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
Theoretical |
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 22946 |
|
Alternate Name : |
TOI-411 |
|
Star Distance(LY) : |
205.1 |
|
Stellar Radius(Rsun) : |
1.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.5 |
(Msun Estimated) |
|
Star Age : |
5.0 |
(GY) |
|
Temperature : |
6210 |
(K) |
|
Spectral type : |
F7/F8V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
4.3 |
|
Apparent Magnitude: |
8.3 |
|
Right Ascension(RA) |
54.8208 |
|
Declination (DEC) |
-42.7625 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
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Discovered by |
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|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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TOI-411 d
TOI-411 d
TOI-411 d is an exoplanet orbiting the star HD 22946, located about 205.1 light-years (62.9 pc) away from Solar System. Its discovery was publicly announced on 2022.
The host star HD 22946 has apparent magnitude of 8.3, with absolute magnitude of 4.3. It is 1.1 times more massive and 1.2 times bigger compared with our Sun. The surface temperature is 6210 with its spectral types of F7/F8V
In this planetary system, the extrasolar planet TOI-411 d orbits around the star HD 22946 every 47.4 days with its orbital distance of 0.30 AU ( 44251050.2 km)
(Projected orbit of TOI-411 d around its host star HD 22946)
The Star HD 22946 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.967 AU ( 144602123.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.336 AU ( 199877924.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.036 AU ( 304569723.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.996 AU ( 448187690.7 km)
Radiation at Planetary Boundary of TOI-411 d : 27902.40 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 22946)
Kopparapu Recent Venus for Star HD 22946 distance : 0.976 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 22946 distance : 1.236 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 22946 distance : 1.194 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 22946 distance : 1.308 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 22946 distance : 2.161 AU
Kopparapu Outer Boundary for Early Mars for Star HD 22946 distance : 2.279 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 22946)
Original Kopparapu Recent Venus for Star HD 22946 distance : 0.986 AU
Original Kopparapu Runaway Greenhouse for Star HD 22946 distance : 1.268 AU
Original Kopparapu Moist Greenhouse for Star HD 22946 distance : 1.305 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 22946 distance : 2.200 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 22946 distance : 2.287 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 22946)
(Position in Stellar Map of star HD 22946 and its Exoplanet TOI-411 d)
(Zoomed position in Stellar Map of star HD 22946 and its Exoplanet TOI-411 d (zoom level 3))
(Synthetic Spectrum of star HD 22946*)
*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
