|
Exoplanet Name : |
TOI 1690.01 |
|
Alternate Name : |
WD 1856+534 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9280 |
(Rjup) |
10.4020 |
(Rearth) |
|
Mass (Mjup / Me): |
0.7834 |
(Mjup) |
249.0664 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0204 |
(AU) |
0.0204 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0039 |
|
Orbital Period(Observed/Estimated) |
1.41 |
(Days Obs.) |
1.29 |
(Days Est.) |
|
Surface Gravity (G Earth) |
2.3019 |
|
Star Radiation at Atmospheric Boundary: |
139.3 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
153.3 |
(K) |
|
Blackbody T 0.3(K) |
144.0 |
(K) |
|
Blackbody T 0.7(K) |
116.5 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
182.3 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
171.2 |
(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 : |
WD 1856+534 |
|
Alternate Name : |
"TIC 267574918, LP 141-14" |
|
Star Distance(LY) : |
80.7 |
|
Stellar Radius(Rsun) : |
0.0 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
0.7 |
(Msun Measured) |
0.6 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
5500 |
(K) |
|
Spectral type : |
WD |
|
UV portion[%]: |
6.9 |
|
Visible portion[%]: |
43.2 |
|
IR portion[%]: |
49.9 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
14.0 |
|
Apparent Magnitude: |
16.0 |
|
Right Ascension(RA) |
284.4139 |
|
Declination (DEC) |
53.5092 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
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=WD+1856%2B534+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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TOI 1690.01
TOI 1690.01
TOI 1690.01 is an exoplanet orbiting the star WD 1856+534, located about 80.7 light-years (24.8 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star WD 1856+534 has apparent magnitude of 16.0, with absolute magnitude of 14.0. It is 0.7 times more massive compared with our Sun. The surface temperature is 5500 with its spectral types of WD
In this planetary system, the extrasolar planet TOI 1690.01 orbits around the star WD 1856+534 every 1.4 days with its orbital distance of 0.02 AU ( 3051796.6 km)
(Projected orbit of TOI 1690.01 around its host star WD 1856+534)
The Star WD 1856+534 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.005 AU ( 704581.3 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.007 AU ( 973915.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.010 AU ( 1484031.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.015 AU ( 2183817.7 km)
Radiation at Planetary Boundary of TOI 1690.01 : 139.28 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star WD 1856+534)
Kopparapu Recent Venus for Star WD 1856+534 distance : 0.762 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star WD 1856+534 distance : 0.965 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star WD 1856+534 distance : 0.932 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star WD 1856+534 distance : 1.022 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star WD 1856+534 distance : 1.718 AU
Kopparapu Outer Boundary for Early Mars for Star WD 1856+534 distance : 1.812 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star WD 1856+534)
Original Kopparapu Recent Venus for Star WD 1856+534 distance : 0.759 AU
Original Kopparapu Runaway Greenhouse for Star WD 1856+534 distance : 0.992 AU
Original Kopparapu Moist Greenhouse for Star WD 1856+534 distance : 1.004 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star WD 1856+534 distance : 1.747 AU
Original Kopparapu Outer Boundary for Early Mars for Star WD 1856+534 distance : 1.817 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star WD 1856+534)
(Position in Stellar Map of star WD 1856+534 and its Exoplanet TOI 1690.01)
(Zoomed position in Stellar Map of star WD 1856+534 and its Exoplanet TOI 1690.01 (zoom level 3))
(Synthetic Spectrum of star WD 1856+534*)
*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
