Exoplanet Name : |
ZTFJ0220+21 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.5400 |
(Rjup) |
6.0529 |
(Rearth) |
Mass (Mjup / Me): |
14.0000 |
(Mjup) |
4451.1320 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0000 |
(AU) |
0.0020 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0001 |
Orbital Period(Observed/Estimated) |
0.04 |
(Days Obs.) |
0.00 |
(Days Est.) |
Surface Gravity (G Earth) |
121.4924 |
Star Radiation at Atmospheric Boundary: |
1195521.7 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
1475.8 |
(K) |
Blackbody T 0.3(K) |
1385.9 |
(K) |
Blackbody T 0.7(K) |
1121.4 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
1755.1 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
1648.2 |
(K) |
Size Class: |
sub-Jupiter-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
Theoretical |
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
ZTFJ0220+21 |
Alternate Name : |
|
Star Distance(LY) : |
1141.5 |
Stellar Radius(Rsun) : |
0.0 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.8 |
(Msun Measured) |
0.0 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
14200 |
(K) |
Spectral type : |
WD |
UV portion[%]: |
0.3 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.2 |
Metalicity : |
0.0 |
Absolute Magnitude: |
14.3 |
Apparent Magnitude: |
22.0 |
Right Ascension(RA) |
35.0375 |
Declination (DEC) |
21.6989 |
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 |
|
![](ZTFJ0220+21_b_CSun.png) |
![](ZTFJ0220+21_b_CJup.png) |
![](ZTFJ0220+21_b_CNep.png) |
![](ZTFJ0220+21_b_CEar.png) |
/
ZTFJ0220+21 b
ZTFJ0220+21 b
ZTFJ0220+21 b is an exoplanet orbiting the star ZTFJ0220+21, located about 1141.5 light-years (350.0 pc) away from Solar System. Its discovery was publicly announced on 2021.
The host star ZTFJ0220+21 has apparent magnitude of 22.0, with absolute magnitude of 14.3. It is 0.8 times more massive compared with our Sun. The surface temperature is 14200 with its spectral types of WD
In this planetary system, the extrasolar planet ZTFJ0220+21 b orbits around the star ZTFJ0220+21 every 0.0 days with its orbital distance of 0.00 AU ( 305510.2 km)
(Projected orbit of ZTFJ0220+21 b around its host star ZTFJ0220+21)
![](ZTFJ0220+21_b_Orb.png)
The Star ZTFJ0220+21 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.044 AU ( 6534837.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.060 AU ( 9032853.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.092 AU ( 13764069.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.135 AU ( 20254431.3 km)
Radiation at Planetary Boundary of ZTFJ0220+21 b : 1195521.69 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star ZTFJ0220+21)
![](ZTFJ0220+21_b_OrbH.png)
Kopparapu Recent Venus for Star ZTFJ0220+21 distance : nan AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star ZTFJ0220+21 distance : nan AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star ZTFJ0220+21 distance : nan AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star ZTFJ0220+21 distance : nan AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star ZTFJ0220+21 distance : nan AU
Kopparapu Outer Boundary for Early Mars for Star ZTFJ0220+21 distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star ZTFJ0220+21)
![](ZTFJ0220+21_b_OrbK.png)
Original Kopparapu Recent Venus for Star ZTFJ0220+21 distance : nan AU
Original Kopparapu Runaway Greenhouse for Star ZTFJ0220+21 distance : nan AU
Original Kopparapu Moist Greenhouse for Star ZTFJ0220+21 distance : nan AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star ZTFJ0220+21 distance : nan AU
Original Kopparapu Outer Boundary for Early Mars for Star ZTFJ0220+21 distance : nan AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star ZTFJ0220+21)
![](ZTFJ0220+21_b_OrbKO.png)
(Position in Stellar Map of star ZTFJ0220+21 and its Exoplanet ZTFJ0220+21 b)
![](ZTFJ0220+21_b_STZ0.png)
(Zoomed position in Stellar Map of star ZTFJ0220+21 and its Exoplanet ZTFJ0220+21 b (zoom level 3))
![](ZTFJ0220+21_b_STZ3.png)
(Synthetic Spectrum of star ZTFJ0220+21*)
![](ZTFJ0220+21_b_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