Exoplanet Name : |
TOI-487 Ab |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.2792 |
(Rjup) |
3.1296 |
(Rearth) |
Mass (Mjup / Me): |
0.0240 |
(Mjup) |
7.6228 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
7.4143 |
(AU) |
7.4143 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0000 |
Orbital Period(Observed/Estimated) |
0.00 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
0.7783 |
Star Radiation at Atmospheric Boundary: |
19.7 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
94.0 |
(K) |
Blackbody T 0.3(K) |
88.3 |
(K) |
Blackbody T 0.7(K) |
71.4 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
111.8 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
105.0 |
(K) |
Size Class: |
Neptune-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-487 A |
Alternate Name : |
|
Star Distance(LY) : |
456.6 |
Stellar Radius(Rsun) : |
1.0 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.0 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
5450 |
(K) |
Spectral type : |
G6V |
UV portion[%]: |
6.6 |
Visible portion[%]: |
42.8 |
IR portion[%]: |
50.5 |
Metalicity : |
0.0 |
Absolute Magnitude: |
16.3 |
Apparent Magnitude: |
22.0 |
Right Ascension(RA) |
52.5398 |
Declination (DEC) |
-70.3997 |
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 |
|
![](TOI-487_Ab_CSun.png) |
![](TOI-487_Ab_CJup.png) |
![](TOI-487_Ab_CNep.png) |
![](TOI-487_Ab_CEar.png) |
/
TOI-487 Ab
TOI-487 Ab
TOI-487 Ab is an exoplanet orbiting the star TOI-487 A, located about 456.6 light-years (140.0 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star TOI-487 A has apparent magnitude of 22.0, with absolute magnitude of 16.3.
(Projected orbit of TOI-487 Ab around its host star TOI-487 A)
![](TOI-487_Ab_Orb.png)
The Star TOI-487 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.643 AU ( 96261165.8 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.889 AU ( 133058087.2 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.355 AU ( 202751079.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.994 AU ( 298357095.0 km)
Radiation at Planetary Boundary of TOI-487 Ab : 19.68 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star TOI-487 A)
![](TOI-487_Ab_OrbH.png)
Kopparapu Recent Venus for Star TOI-487 A distance : 0.680 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star TOI-487 A distance : 0.861 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star TOI-487 A distance : 0.831 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star TOI-487 A distance : 0.912 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-487 A distance : 1.535 AU
Kopparapu Outer Boundary for Early Mars for Star TOI-487 A distance : 1.619 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star TOI-487 A)
![](TOI-487_Ab_OrbK.png)
Original Kopparapu Recent Venus for Star TOI-487 A distance : 0.677 AU
Original Kopparapu Runaway Greenhouse for Star TOI-487 A distance : 0.886 AU
Original Kopparapu Moist Greenhouse for Star TOI-487 A distance : 0.895 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star TOI-487 A distance : 1.562 AU
Original Kopparapu Outer Boundary for Early Mars for Star TOI-487 A distance : 1.624 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star TOI-487 A)
![](TOI-487_Ab_OrbKO.png)
(Position in Stellar Map of star TOI-487 A and its Exoplanet TOI-487 Ab)
![](TOI-487_Ab_STZ0.png)
(Zoomed position in Stellar Map of star TOI-487 A and its Exoplanet TOI-487 Ab (zoom level 3))
![](TOI-487_Ab_STZ3.png)
(Synthetic Spectrum of star TOI-487 A*)
![](TOI-487_Ab_Spc.png)
*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