|
Exoplanet Name : |
HD 34445 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.6290 |
(Mjup) |
199.9830 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
2.0750 |
(AU) |
2.0750 |
(AU Est.) |
|
Eccentricity : |
0.0140 |
|
Orbital Period(Yrs) |
2.8930 |
|
Orbital Period(Observed/Estimated) |
1056.70 |
(Days Obs.) |
1055.42 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.9313 |
|
Star Radiation at Atmospheric Boundary: |
629.2 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
223.5 |
(K) |
|
Blackbody T 0.3(K) |
209.9 |
(K) |
|
Blackbody T 0.7(K) |
169.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
265.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
249.6 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
Radial Velocity |
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 34445 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
151.7 |
|
Stellar Radius(Rsun) : |
1.4 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.1 |
(Msun Measured) |
1.1 |
(Msun Estimated) |
|
Star Age : |
8.5 |
(GY) |
|
Temperature : |
5836 |
(K) |
|
Spectral type : |
G0V |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.1 |
|
Absolute Magnitude: |
4.0 |
|
Apparent Magnitude: |
7.3 |
|
Right Ascension(RA) |
79.4208 |
|
Declination (DEC) |
7.3533 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
00112-00182 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"Howard,ツAndrewツW.; Johnson,ツJohnツAsher; Marcy,ツGeoffreyツW.; Fischer,ツDebraツA.; Wright,ツJasonツT.; Bernat,ツDavid; Henry,ツGregoryツW.; Peek,ツKathrynツM.ツG.; Isaacson,ツHoward; Apps,ツKevin; Endl,ツMichael; Cochran,ツWilliamツD.; Valenti,ツJeffツA.; Anderson,ツJay; Piskunov,ツNikolaiツE." |
|
Discovery Paper - Title |
The California Planet Survey. I. Four New Giant Exoplanets |
|
Discovery Paper - Journal |
"The Astrophysical Journal, Volume 721, Issue 2, pp. 1467-1481 (2010)." |
|
Discovery Paper - URL |
http://adsabs.harvard.edu/abs/2010ApJ...721.1467H |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+34445+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%2034445%20b/ |
 |
 |
 |
 |
/
HD 34445 b
HD 34445 b
HD 34445 b is an exoplanet orbiting the star HD 34445, located about 151.7 light-years (46.5 pc) away from Solar System. Its discovery was publicly announced on 2004.
The host star HD 34445 has apparent magnitude of 7.3, with absolute magnitude of 4.0. It is 1.1 times more massive and 1.4 times bigger compared with our Sun. The surface temperature is 5836 with its spectral types of G0V
In this planetary system, the extrasolar planet HD 34445 b orbits around the star HD 34445 every 1056.7 days with its orbital distance of 2.08 AU ( 310415581.7 km)
(Projected orbit of HD 34445 b around its host star HD 34445)
The Star HD 34445 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.018 AU ( 152323799.9 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.407 AU ( 210551298.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.145 AU ( 320833584.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 3.156 AU ( 472120673.7 km)
Radiation at Planetary Boundary of HD 34445 b : 629.20 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 34445)
Kopparapu Recent Venus for Star HD 34445 distance : 1.052 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 34445 distance : 1.332 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 34445 distance : 1.286 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 34445 distance : 1.410 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 34445 distance : 2.348 AU
Kopparapu Outer Boundary for Early Mars for Star HD 34445 distance : 2.477 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 34445)
Original Kopparapu Recent Venus for Star HD 34445 distance : 1.054 AU
Original Kopparapu Runaway Greenhouse for Star HD 34445 distance : 1.368 AU
Original Kopparapu Moist Greenhouse for Star HD 34445 distance : 1.395 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 34445 distance : 2.390 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 34445 distance : 2.485 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 34445)
(Position in Stellar Map of star HD 34445 and its Exoplanet HD 34445 b)
(Zoomed position in Stellar Map of star HD 34445 and its Exoplanet HD 34445 b (zoom level 3))
(Synthetic Spectrum of star HD 34445*)
*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
