Exoplanet Name : |
NGC 2423 3 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
10.6000 |
(Mjup) |
3370.1428 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
2.1000 |
(AU) |
2.1000 |
(AU Est.) |
Eccentricity : |
0.2100 |
Orbital Period(Yrs) |
1.9556 |
Orbital Period(Observed/Estimated) |
714.30 |
(Days Obs.) |
717.49 |
(Days Est.) |
Surface Gravity (G Earth) |
32.5466 |
Star Radiation at Atmospheric Boundary: |
95.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
139.3 |
(K) |
Blackbody T 0.3(K) |
130.8 |
(K) |
Blackbody T 0.7(K) |
105.9 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
165.7 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
155.6 |
(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 : |
NGC 2423 3 |
Alternate Name : |
|
Star Distance(LY) : |
3106.2 |
Stellar Radius(Rsun) : |
1.7 |
(Rsun Estimated) |
Stellar Mass(Msun) : |
2.4 |
(Msun Measured) |
2.4 |
(Msun Estimated) |
Star Age : |
0.8 |
(GY) |
Temperature : |
3300 |
(K) |
Spectral type : |
M9 |
UV portion[%]: |
0.2 |
Visible portion[%]: |
11.2 |
IR portion[%]: |
88.6 |
Metalicity : |
0.1 |
Absolute Magnitude: |
-0.4 |
Apparent Magnitude: |
9.4 |
Right Ascension(RA) |
114.2885 |
Declination (DEC) |
-13.9067 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
05409-02156 |
Discovered by |
|
Discovery Paper - Authors |
0 |
Discovery Paper - Title |
|
Discovery Paper - Journal |
0 |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.harvard.edu/simbad/sim-basic?Ident=NGC+2423+3+&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/NGC%202423%203%20b/ |
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NGC 2423 3 b
NGC 2423 3 b
NGC 2423 3 b is an exoplanet orbiting the star NGC 2423 3, located about 3106.2 light-years (952.4 pc) away from Solar System. Its discovery was publicly announced on 2007.
The host star NGC 2423 3 has apparent magnitude of 9.4, with absolute magnitude of -0.4. It is 2.4 times more massive and 1.7 times bigger compared with our Sun. The surface temperature is 3300 with its spectral types of M9
In this planetary system, the extrasolar planet NGC 2423 3 b orbits around the star NGC 2423 3 every 714.3 days with its orbital distance of 2.10 AU ( 314155528.5 km)
(Projected orbit of NGC 2423 3 b around its host star NGC 2423 3)
The Star NGC 2423 3 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.400 AU ( 59887211.6 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.553 AU ( 82779776.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.843 AU ( 126138060.7 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 1.241 AU ( 185617682.1 km)
Radiation at Planetary Boundary of NGC 2423 3 b : 94.96 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star NGC 2423 3)
Kopparapu Recent Venus for Star NGC 2423 3 distance : 0.453 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star NGC 2423 3 distance : 0.574 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star NGC 2423 3 distance : 0.554 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star NGC 2423 3 distance : 0.610 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star NGC 2423 3 distance : 1.127 AU
Kopparapu Outer Boundary for Early Mars for Star NGC 2423 3 distance : 1.189 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star NGC 2423 3)
Original Kopparapu Recent Venus for Star NGC 2423 3 distance : 0.450 AU
Original Kopparapu Runaway Greenhouse for Star NGC 2423 3 distance : 0.594 AU
Original Kopparapu Moist Greenhouse for Star NGC 2423 3 distance : 0.596 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star NGC 2423 3 distance : 1.145 AU
Original Kopparapu Outer Boundary for Early Mars for Star NGC 2423 3 distance : 1.191 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star NGC 2423 3)
(Position in Stellar Map of star NGC 2423 3 and its Exoplanet NGC 2423 3 b)
(Zoomed position in Stellar Map of star NGC 2423 3 and its Exoplanet NGC 2423 3 b (zoom level 3))
(Synthetic Spectrum of star NGC 2423 3*)
*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