|
Exoplanet Name : |
psi1 Dra Bb |
|
Alternate Name : |
"31 Dra Bb, HD 162004 b" |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
1.5300 |
(Mjup) |
486.4451 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
4.4300 |
(AU) |
4.4300 |
(AU Est.) |
|
Eccentricity : |
0.4000 |
|
Orbital Period(Yrs) |
8.5336 |
|
Orbital Period(Observed/Estimated) |
3117.00 |
(Days Obs.) |
3121.92 |
(Days Est.) |
|
Surface Gravity (G Earth) |
4.6978 |
|
Star Radiation at Atmospheric Boundary: |
118.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
147.2 |
(K) |
|
Blackbody T 0.3(K) |
138.3 |
(K) |
|
Blackbody T 0.7(K) |
111.9 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
175.1 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
164.4 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
psi1 Dra B |
|
Alternate Name : |
"31 Dra B, HD 162004" |
|
Star Distance(LY) : |
72.3 |
|
Stellar Radius(Rsun) : |
1.1 |
(Rsun Estimated) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
3.3 |
(GY) |
|
Temperature : |
6212 |
(K) |
|
Spectral type : |
G0V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
4.0 |
|
Apparent Magnitude: |
5.7 |
|
Right Ascension(RA) |
265.4917 |
|
Declination (DEC) |
72.1569 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
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Discovered by |
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|
Discovery Paper - Authors |
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|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
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|
SIMBAD LINK |
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|
Open Exoplanet Database Link |
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psi1 Dra Bb
psi1 Dra Bb
psi1 Dra Bb is an exoplanet orbiting the star psi1 Dra B, located about 72.3 light-years (22.2 pc) away from Solar System. Its discovery was publicly announced on 2015.
The host star psi1 Dra B has apparent magnitude of 5.7, with absolute magnitude of 4.0. It is 1.2 times more massive and 1.1 times bigger compared with our Sun. The surface temperature is 6212 with its spectral types of G0V
In this planetary system, the extrasolar planet psi1 Dra Bb orbits around the star psi1 Dra B every 3117.0 days with its orbital distance of 4.43 AU ( 662718567.2 km)
(Projected orbit of psi1 Dra Bb around its host star psi1 Dra B)
The Star psi1 Dra B 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.943 AU ( 141112587.1 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.304 AU ( 195054472.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 1.987 AU ( 297219850.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 2.924 AU ( 437372030.6 km)
Radiation at Planetary Boundary of psi1 Dra Bb : 118.47 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star psi1 Dra B)
Kopparapu Recent Venus for Star psi1 Dra B distance : 0.952 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star psi1 Dra B distance : 1.206 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star psi1 Dra B distance : 1.165 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star psi1 Dra B distance : 1.276 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star psi1 Dra B distance : 2.108 AU
Kopparapu Outer Boundary for Early Mars for Star psi1 Dra B distance : 2.224 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star psi1 Dra B)
Original Kopparapu Recent Venus for Star psi1 Dra B distance : 0.962 AU
Original Kopparapu Runaway Greenhouse for Star psi1 Dra B distance : 1.237 AU
Original Kopparapu Moist Greenhouse for Star psi1 Dra B distance : 1.273 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star psi1 Dra B distance : 2.146 AU
Original Kopparapu Outer Boundary for Early Mars for Star psi1 Dra B distance : 2.232 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star psi1 Dra B)
(Position in Stellar Map of star psi1 Dra B and its Exoplanet psi1 Dra Bb)
(Zoomed position in Stellar Map of star psi1 Dra B and its Exoplanet psi1 Dra Bb (zoom level 3))
(Synthetic Spectrum of star psi1 Dra B*)
*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
