|
Exoplanet Name : |
HD 221416 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.8360 |
(Rjup) |
9.3707 |
(Rearth) |
|
Mass (Mjup / Me): |
0.1904 |
(Mjup) |
60.5354 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.1228 |
(AU) |
0.1228 |
(AU Est.) |
|
Eccentricity : |
0.1150 |
|
Orbital Period(Yrs) |
0.0391 |
|
Orbital Period(Observed/Estimated) |
14.28 |
(Days Obs.) |
14.28 |
(Days Est.) |
|
Surface Gravity (G Earth) |
0.6894 |
|
Star Radiation at Atmospheric Boundary: |
469076.3 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
1168.0 |
(K) |
|
Blackbody T 0.3(K) |
1096.9 |
(K) |
|
Blackbody T 0.7(K) |
887.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
1389.0 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
1304.4 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
TOI-197 |
|
Alternate Name : |
HD 221416 |
|
Star Distance(LY) : |
312.5 |
|
Stellar Radius(Rsun) : |
2.9 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
4.9 |
(GY) |
|
Temperature : |
5080 |
(K) |
|
Spectral type : |
K0IV/V |
|
UV portion[%]: |
3.8 |
|
Visible portion[%]: |
38.1 |
|
IR portion[%]: |
58.1 |
|
Metalicity : |
-0.1 |
|
Absolute Magnitude: |
3.2 |
|
Apparent Magnitude: |
8.2 |
|
Right Ascension(RA) |
353.0336 |
|
Declination (DEC) |
-21.8014 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
06409-00234 |
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+221416+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
 |
 |
 |
 |
/
HD 221416 b
HD 221416 b
HD 221416 b is an exoplanet orbiting the star TOI-197, located about 312.5 light-years (95.8 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star TOI-197 has apparent magnitude of 8.2, with absolute magnitude of 3.2. It is 1.2 times more massive and 2.9 times bigger compared with our Sun. The surface temperature is 5080 with its spectral types of K0IV/V
In this planetary system, the extrasolar planet HD 221416 b orbits around the star TOI-197 every 14.3 days with its orbital distance of 0.12 AU ( 18370618.5 km)
(Projected orbit of HD 221416 b around its host star TOI-197)
The Star TOI-197 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.645 AU ( 246136374.4 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 2.274 AU ( 340224792.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 3.465 AU ( 518427292.3 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 5.100 AU ( 762888471.4 km)
Radiation at Planetary Boundary of HD 221416 b : 469076.26 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-197)
Kopparapu Recent Venus for Star TOI-197 distance : 1.773 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-197 distance : 2.245 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-197 distance : 2.168 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-197 distance : 2.379 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-197 distance : 4.056 AU
Kopparapu Outer Boundary for Early Mars for Star TOI-197 distance : 4.278 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-197)
Original Kopparapu Recent Venus for Star TOI-197 distance : 1.756 AU
Original Kopparapu Runaway Greenhouse for Star TOI-197 distance : 2.313 AU
Original Kopparapu Moist Greenhouse for Star TOI-197 distance : 2.323 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-197 distance : 4.124 AU
Original Kopparapu Outer Boundary for Early Mars for Star TOI-197 distance : 4.289 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-197)
(Position in Stellar Map of star TOI-197 and its Exoplanet HD 221416 b)
(Zoomed position in Stellar Map of star TOI-197 and its Exoplanet HD 221416 b (zoom level 3))
(Synthetic Spectrum of star TOI-197*)
*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
