Exoplanet Name : |
Gliese 49 Ab |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.1405 |
(Rjup) |
1.5753 |
(Rearth) |
Mass (Mjup / Me): |
0.0177 |
(Mjup) |
5.6307 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0905 |
(AU) |
0.0905 |
(AU Est.) |
Eccentricity : |
0.3630 |
Orbital Period(Yrs) |
0.0379 |
Orbital Period(Observed/Estimated) |
13.85 |
(Days Obs.) |
13.86 |
(Days Est.) |
Surface Gravity (G Earth) |
2.2689 |
Star Radiation at Atmospheric Boundary: |
8195.4 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
424.7 |
(K) |
Blackbody T 0.3(K) |
398.8 |
(K) |
Blackbody T 0.7(K) |
322.7 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
505.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
474.2 |
(K) |
Size Class: |
super-Earth-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 : |
Gliese 49 A |
Alternate Name : |
"2MASS J01023895+6220422, BD+61 195, HIP 4872, IRAS 00594+6204, LHS 1179, TYC 4021-01115-1, WDS J01026+6221A, WISE J0102œ |
Star Distance(LY) : |
32.1 |
Stellar Radius(Rsun) : |
0.5 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.5 |
(Msun Measured) |
0.5 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3805 |
(K) |
Spectral type : |
M1.5V |
UV portion[%]: |
0.3 |
Visible portion[%]: |
13.8 |
IR portion[%]: |
85.8 |
Metalicity : |
0.1 |
Absolute Magnitude: |
9.6 |
Apparent Magnitude: |
9.6 |
Right Ascension(RA) |
15.6708 |
Declination (DEC) |
62.3456 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
|
Discovery Paper - Title |
|
Discovery Paper - Journal |
|
Discovery Paper - URL |
|
SIMBAD LINK |
|
Open Exoplanet Database Link |
|
![](Gliese_49_Ab_CSun.png) |
![](Gliese_49_Ab_CJup.png) |
![](Gliese_49_Ab_CNep.png) |
![](Gliese_49_Ab_CEar.png) |
/
Gliese 49 Ab
Gliese 49 Ab
Gliese 49 Ab is an exoplanet orbiting the star Gliese 49 A, located about 32.1 light-years ( 9.9 pc) away from Solar System. Its discovery was publicly announced on 2019.
The host star Gliese 49 A has apparent magnitude of 9.6, with absolute magnitude of 9.6. It is 0.5 times more massive and 0.5 times bigger compared with our Sun. The surface temperature is 3805 with its spectral types of M1.5V
In this planetary system, the extrasolar planet Gliese 49 Ab orbits around the star Gliese 49 A every 13.9 days with its orbital distance of 0.09 AU ( 13538607.3 km)
(Projected orbit of Gliese 49 Ab around its host star Gliese 49 A)
![](Gliese_49_Ab_Orb.png)
The Star Gliese 49 A 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.160 AU ( 23976640.7 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.222 AU ( 33141983.3 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.338 AU ( 50501048.2 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.497 AU ( 74314504.7 km)
Radiation at Planetary Boundary of Gliese 49 Ab : 8195.36 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star Gliese 49 A)
![](Gliese_49_Ab_OrbH.png)
Kopparapu Recent Venus for Star Gliese 49 A distance : 0.180 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star Gliese 49 A distance : 0.228 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star Gliese 49 A distance : 0.220 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star Gliese 49 A distance : 0.242 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star Gliese 49 A distance : 0.437 AU
Kopparapu Outer Boundary for Early Mars for Star Gliese 49 A distance : 0.461 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star Gliese 49 A)
![](Gliese_49_Ab_OrbK.png)
Original Kopparapu Recent Venus for Star Gliese 49 A distance : 0.178 AU
Original Kopparapu Runaway Greenhouse for Star Gliese 49 A distance : 0.236 AU
Original Kopparapu Moist Greenhouse for Star Gliese 49 A distance : 0.236 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star Gliese 49 A distance : 0.444 AU
Original Kopparapu Outer Boundary for Early Mars for Star Gliese 49 A distance : 0.462 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star Gliese 49 A)
![](Gliese_49_Ab_OrbKO.png)
(Position in Stellar Map of star Gliese 49 A and its Exoplanet Gliese 49 Ab)
![](Gliese_49_Ab_STZ0.png)
(Zoomed position in Stellar Map of star Gliese 49 A and its Exoplanet Gliese 49 Ab (zoom level 3))
![](Gliese_49_Ab_STZ3.png)
(Synthetic Spectrum of star Gliese 49 A*)
![](Gliese_49_Ab_Spc.png)
*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