Exoplanet Name : |
LSPM J0738+5254 b |
Alternate Name : |
CWISEJ073831.31+525453.7 |
Status : |
Confirmed |
Radius (Rjup / Re): |
0.9078 |
(Rjup) |
10.1759 |
(Rearth) |
Mass (Mjup / Me): |
60.0000 |
(Mjup) |
19076.2800 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
530.0000 |
(AU) |
530.0000 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
21223.2382 |
Orbital Period(Observed/Estimated) |
7752000.00 |
(Days Obs.) |
8673653.44 |
(Days Est.) |
Surface Gravity (G Earth) |
184.2260 |
Star Radiation at Atmospheric Boundary: |
0.0 |
(W/m2) |
Measured Temperature (K) |
0.0 |
(K) |
Blackbody T 0.1(K) |
3.5 |
(K) |
Blackbody T 0.3(K) |
3.3 |
(K) |
Blackbody T 0.7(K) |
2.7 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
4.2 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
3.9 |
(K) |
Size Class: |
Jupiter-size |
Mass Class: |
|
Detection Type : |
Imaging |
Mass Detection : |
|
Radius Detection : |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
LSPM J0738+5254 |
Alternate Name : |
LP 123-22 |
Star Distance(LY) : |
153.6 |
Stellar Radius(Rsun) : |
0.3 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.3 |
(Msun Measured) |
0.3 |
(Msun Estimated) |
Star Age : |
0.0 |
(GY) |
Temperature : |
3201 |
(K) |
Spectral type : |
M3V |
UV portion[%]: |
0.3 |
Visible portion[%]: |
7.6 |
IR portion[%]: |
92.0 |
Metalicity : |
-0.6 |
Absolute Magnitude: |
8.1 |
Apparent Magnitude: |
11.5 |
Right Ascension(RA) |
114.6356 |
Declination (DEC) |
52.9151 |
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 |
|
![](LSPM_J0738+5254_b_CSun.png) |
![](LSPM_J0738+5254_b_CJup.png) |
![](LSPM_J0738+5254_b_CNep.png) |
![](LSPM_J0738+5254_b_CEar.png) |
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LSPM J0738+5254 b
LSPM J0738+5254 b
LSPM J0738+5254 b is an exoplanet orbiting the star LSPM J0738+5254, located about 153.6 light-years (47.1 pc) away from Solar System. Its discovery was publicly announced on 2024.
The host star LSPM J0738+5254 has apparent magnitude of 11.5, with absolute magnitude of 8.1. It is 0.3 times more massive and 0.3 times bigger compared with our Sun. The surface temperature is 3201 with its spectral types of M3V
In this planetary system, the extrasolar planet LSPM J0738+5254 b orbits around the star LSPM J0738+5254 every 7752000.0 days with its orbital distance of 530.00 AU ( 79286871471.0 km)
(Projected orbit of LSPM J0738+5254 b around its host star LSPM J0738+5254)
![](LSPM_J0738+5254_b_Orb.png)
The Star LSPM J0738+5254 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.064 AU ( 9596819.0 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.089 AU ( 13265311.8 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.135 AU ( 20213399.6 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.199 AU ( 29744903.0 km)
Radiation at Planetary Boundary of LSPM J0738+5254 b : 0.00 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LSPM J0738+5254)
![](LSPM_J0738+5254_b_OrbH.png)
Kopparapu Recent Venus for Star LSPM J0738+5254 distance : 0.073 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star LSPM J0738+5254 distance : 0.092 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star LSPM J0738+5254 distance : 0.089 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star LSPM J0738+5254 distance : 0.098 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star LSPM J0738+5254 distance : 0.182 AU
Kopparapu Outer Boundary for Early Mars for Star LSPM J0738+5254 distance : 0.192 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star LSPM J0738+5254)
![](LSPM_J0738+5254_b_OrbK.png)
Original Kopparapu Recent Venus for Star LSPM J0738+5254 distance : 0.072 AU
Original Kopparapu Runaway Greenhouse for Star LSPM J0738+5254 distance : 0.095 AU
Original Kopparapu Moist Greenhouse for Star LSPM J0738+5254 distance : 0.096 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LSPM J0738+5254 distance : 0.185 AU
Original Kopparapu Outer Boundary for Early Mars for Star LSPM J0738+5254 distance : 0.192 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star LSPM J0738+5254)
![](LSPM_J0738+5254_b_OrbKO.png)
(Position in Stellar Map of star LSPM J0738+5254 and its Exoplanet LSPM J0738+5254 b)
![](LSPM_J0738+5254_b_STZ0.png)
(Zoomed position in Stellar Map of star LSPM J0738+5254 and its Exoplanet LSPM J0738+5254 b (zoom level 3))
![](LSPM_J0738+5254_b_STZ3.png)
(Synthetic Spectrum of star LSPM J0738+5254*)
![](LSPM_J0738+5254_b_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