Exoplanet Name : |
HD 25723 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
2.5100 |
(Mjup) |
798.0244 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
1.4900 |
(AU) |
1.4900 |
(AU Est.) |
Eccentricity : |
0.0500 |
Orbital Period(Yrs) |
1.2506 |
Orbital Period(Observed/Estimated) |
456.78 |
(Days Obs.) |
456.25 |
(Days Est.) |
Surface Gravity (G Earth) |
7.7068 |
Star Radiation at Atmospheric Boundary: |
53961.7 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
680.2 |
(K) |
Blackbody T 0.3(K) |
638.8 |
(K) |
Blackbody T 0.7(K) |
516.9 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
808.9 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
759.7 |
(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 : |
HD 25723 |
Alternate Name : |
|
Star Distance(LY) : |
375.6 |
Stellar Radius(Rsun) : |
13.8 |
(Rsun Measured) |
Stellar Mass(Msun) : |
2.1 |
(Msun Measured) |
2.1 |
(Msun Estimated) |
Star Age : |
0.9 |
(GY) |
Temperature : |
4766 |
(K) |
Spectral type : |
K1 III |
UV portion[%]: |
2.3 |
Visible portion[%]: |
35.1 |
IR portion[%]: |
62.5 |
Metalicity : |
-0.0 |
Absolute Magnitude: |
0.3 |
Apparent Magnitude: |
5.6 |
Right Ascension(RA) |
61.0946 |
Declination (DEC) |
-12.7950 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
05311-00364 |
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+25723+&submit=SIMBAD+search |
Open Exoplanet Database Link |
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HD 25723 b
HD 25723 b
HD 25723 b is an exoplanet orbiting the star HD 25723, located about 375.6 light-years (115.2 pc) away from Solar System. Its discovery was publicly announced on 2020.
The host star HD 25723 has apparent magnitude of 5.6, with absolute magnitude of 0.3. It is 2.1 times more massive and 13.8 times bigger compared with our Sun. The surface temperature is 4766 with its spectral types of K1 III
In this planetary system, the extrasolar planet HD 25723 b orbits around the star HD 25723 every 456.8 days with its orbital distance of 1.49 AU ( 222900827.3 km)
(Projected orbit of HD 25723 b around its host star HD 25723)
The Star HD 25723 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 6.771 AU ( 1012942101.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 9.359 AU ( 1400150697.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 14.262 AU ( 2133519810.8 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 20.987 AU ( 3139567865.1 km)
Radiation at Planetary Boundary of HD 25723 b : 53961.66 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 25723)
Kopparapu Recent Venus for Star HD 25723 distance : 7.402 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 25723 distance : 9.371 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 25723 distance : 9.052 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 25723 distance : 9.937 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 25723 distance : 17.152 AU
Kopparapu Outer Boundary for Early Mars for Star HD 25723 distance : 18.093 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 25723)
Original Kopparapu Recent Venus for Star HD 25723 distance : 7.311 AU
Original Kopparapu Runaway Greenhouse for Star HD 25723 distance : 9.666 AU
Original Kopparapu Moist Greenhouse for Star HD 25723 distance : 9.674 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 25723 distance : 17.436 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 25723 distance : 18.133 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 25723)
(Position in Stellar Map of star HD 25723 and its Exoplanet HD 25723 b)
(Zoomed position in Stellar Map of star HD 25723 and its Exoplanet HD 25723 b (zoom level 3))
(Synthetic Spectrum of star HD 25723*)
*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