|
Exoplanet Name : |
HD 31253 b |
|
Alternate Name : |
|
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
|
Mass (Mjup / Me): |
0.5000 |
(Mjup) |
158.9690 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
1.2600 |
(AU) |
1.2600 |
(AU Est.) |
|
Eccentricity : |
0.3000 |
|
Orbital Period(Yrs) |
1.2758 |
|
Orbital Period(Observed/Estimated) |
466.00 |
(Days Obs.) |
465.79 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.5352 |
|
Star Radiation at Atmospheric Boundary: |
2850.0 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
326.1 |
(K) |
|
Blackbody T 0.3(K) |
306.2 |
(K) |
|
Blackbody T 0.7(K) |
247.8 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
387.8 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
364.2 |
(K) |
|
Size Class: |
Jupiter-size |
|
Mass Class: |
|
|
Detection Type : |
Radial Velocity |
|
Mass Detection : |
|
|
Radius Detection : |
|
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
HD 31253 |
|
Alternate Name : |
|
|
Star Distance(LY) : |
189.3 |
|
Stellar Radius(Rsun) : |
1.7 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
1.2 |
(Msun Measured) |
1.2 |
(Msun Estimated) |
|
Star Age : |
3.0 |
(GY) |
|
Temperature : |
5960 |
(K) |
|
Spectral type : |
F8 |
|
UV portion[%]: |
0.3 |
|
Visible portion[%]: |
1.5 |
|
IR portion[%]: |
98.2 |
|
Metalicity : |
0.2 |
|
Absolute Magnitude: |
3.3 |
|
Apparent Magnitude: |
7.1 |
|
Right Ascension(RA) |
73.6819 |
|
Declination (DEC) |
12.3522 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
00692-00497 |
|
Discovered by |
|
|
Discovery Paper - Authors |
"Meschiari,tefano; Laughlin,regory; Vogt,teven.; Butler,.aul; Rivera,ugenio.; Haghighipour,ader; Jalowiczor,eter" |
|
Discovery Paper - Title |
The Lick-Carnegie Survey: Four New Exoplanet Candidates |
|
Discovery Paper - Journal |
"The Astrophysical Journal,olume 727,umber 2" |
|
Discovery Paper - URL |
http://iopscience.iop.org/article/10.1088/0004-637X/727/2/117/meta |
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=HD+31253+&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/HD%2031253%20b/ |
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HD 31253 b
HD 31253 b
HD 31253 b is an exoplanet orbiting the star HD 31253, located about 189.3 light-years (58.0 pc) away from Solar System. Its discovery was publicly announced on 2010.
The host star HD 31253 has apparent magnitude of 7.1, with absolute magnitude of 3.3. It is 1.2 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 5960 with its spectral types of F8
In this planetary system, the extrasolar planet HD 31253 b orbits around the star HD 31253 every 466.0 days with its orbital distance of 1.26 AU ( 188493317.1 km)
(Projected orbit of HD 31253 b around its host star HD 31253)
The Star HD 31253 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 1.316 AU ( 196855132.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 1.819 AU ( 272105237.5 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 2.772 AU ( 414628165.1 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 4.079 AU ( 610143508.7 km)
Radiation at Planetary Boundary of HD 31253 b : 2849.97 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star HD 31253)
Kopparapu Recent Venus for Star HD 31253 distance : 1.349 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star HD 31253 distance : 1.708 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star HD 31253 distance : 1.650 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star HD 31253 distance : 1.808 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 31253 distance : 3.003 AU
Kopparapu Outer Boundary for Early Mars for Star HD 31253 distance : 3.167 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star HD 31253)
Original Kopparapu Recent Venus for Star HD 31253 distance : 1.356 AU
Original Kopparapu Runaway Greenhouse for Star HD 31253 distance : 1.754 AU
Original Kopparapu Moist Greenhouse for Star HD 31253 distance : 1.794 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star HD 31253 distance : 3.056 AU
Original Kopparapu Outer Boundary for Early Mars for Star HD 31253 distance : 3.178 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star HD 31253)
(Position in Stellar Map of star HD 31253 and its Exoplanet HD 31253 b)
(Zoomed position in Stellar Map of star HD 31253 and its Exoplanet HD 31253 b (zoom level 3))
(Synthetic Spectrum of star HD 31253*)
*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
