|
Exoplanet Name : |
LHS 3844 b |
|
Alternate Name : |
TIC 410153553 b |
|
Status : |
Confirmed |
|
Radius (Rjup / Re): |
0.1162 |
(Rjup) |
1.3025 |
(Rearth) |
|
Mass (Mjup / Me): |
0.0080 |
(Mjup) |
2.5399 |
(Mearth) |
|
Semi Major Axis / Orbital Distance Calculated |
0.0062 |
(AU) |
0.0062 |
(AU Est.) |
|
Eccentricity : |
0.0000 |
|
Orbital Period(Yrs) |
0.0013 |
|
Orbital Period(Observed/Estimated) |
0.46 |
(Days Obs.) |
0.46 |
(Days Est.) |
|
Surface Gravity (G Earth) |
1.4972 |
|
Star Radiation at Atmospheric Boundary: |
96195.5 |
(W/m2) |
|
Measured Temperature (K) |
0.0 |
(K) |
|
Blackbody T 0.1(K) |
786.0 |
(K) |
|
Blackbody T 0.3(K) |
738.2 |
(K) |
|
Blackbody T 0.7(K) |
597.2 |
(K) |
|
Tidally Locked Blackbody T 0.1(K) |
934.7 |
(K) |
|
Tidally Locked Blackbody T 0.3(K) |
877.8 |
(K) |
|
Size Class: |
super-Earth-size |
|
Mass Class: |
|
|
Detection Type : |
Primary Transit |
|
Mass Detection : |
|
|
Radius Detection : |
Primary Transit |
|
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
|
Habitability by Kopparapu: |
Not habitable |
|
Star Name : |
LHS 3844 |
|
Alternate Name : |
TIC 410153553 |
|
Star Distance(LY) : |
48.6 |
|
Stellar Radius(Rsun) : |
0.2 |
(Rsun Measured) |
|
Stellar Mass(Msun) : |
0.2 |
(Msun Measured) |
0.1 |
(Msun Estimated) |
|
Star Age : |
0.0 |
(GY) |
|
Temperature : |
3036 |
(K) |
|
Spectral type : |
M7 |
|
UV portion[%]: |
0.1 |
|
Visible portion[%]: |
3.1 |
|
IR portion[%]: |
96.8 |
|
Metalicity : |
0.0 |
|
Absolute Magnitude: |
14.4 |
|
Apparent Magnitude: |
15.3 |
|
Right Ascension(RA) |
340.4922 |
|
Declination (DEC) |
-69.1690 |
|
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
|
Discovered by |
|
|
Discovery Paper - Authors |
|
|
Discovery Paper - Title |
|
|
Discovery Paper - Journal |
|
|
Discovery Paper - URL |
|
|
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=LHS+3844&submit=SIMBAD+search |
|
Open Exoplanet Database Link |
|
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LHS 3844 b
LHS 3844 b
LHS 3844 b is an exoplanet orbiting the star LHS 3844, located about 48.6 light-years (14.9 pc) away from Solar System. Its discovery was publicly announced on 2018.
The host star LHS 3844 has apparent magnitude of 15.3, with absolute magnitude of 14.4. It is 0.2 times more massive and 0.2 times bigger compared with our Sun. The surface temperature is 3036 with its spectral types of M7
In this planetary system, the extrasolar planet LHS 3844 b orbits around the star LHS 3844 every 0.5 days with its orbital distance of 0.01 AU ( 930498.8 km)
(Projected orbit of LHS 3844 b around its host star LHS 3844)
The Star LHS 3844 's habitable zone is located at the following distance
Inner Boundary (the orbital distance at Venus's Equivalent Radiation )
: 0.038 AU ( 5645773.5 km)
Earth Boundary (the orbital distance at Earth's Equivalent Radiation)
: 0.052 AU ( 7803934.4 km)
Outer Boundary (the orbital distance at Mars's Equivalent Radiation)
: 0.079 AU ( 11891469.0 km)
Snow Line (the orbital distance at Snow Line Equivalent Radiation)
: 0.117 AU ( 17498817.6 km)
Radiation at Planetary Boundary of LHS 3844 b : 96195.49 W/m2
(Habitable zone calculated based on SEAU(Solar Equivalent Astronomical Unit) around the star LHS 3844)
Kopparapu Recent Venus for Star LHS 3844 distance : 0.043 AU
Kopparapu Runaway Greenhouse for Earth-sized planet for Star LHS 3844 distance : 0.054 AU
Kopparapu Runaway Greenhouse for Super-Earth-sized planet for Star LHS 3844 distance : 0.052 AU
Kopparapu Runaway Greenhouse for Mars-sized planet for Star LHS 3844 distance : 0.058 AU
Kopparapu Outer Boundary for Maximum Greenhouse for Star LHS 3844 distance : 0.108 AU
Kopparapu Outer Boundary for Early Mars for Star LHS 3844 distance : 0.114 AU
(Habitable zone calculated based on Kopparapu et al.(2013) around the star LHS 3844)
Original Kopparapu Recent Venus for Star LHS 3844 distance : 0.043 AU
Original Kopparapu Runaway Greenhouse for Star LHS 3844 distance : 0.056 AU
Original Kopparapu Moist Greenhouse for Star LHS 3844 distance : 0.056 AU
Original Kopparapu Outer Boundary for Maximum Greenhouse for Star LHS 3844 distance : 0.110 AU
Original Kopparapu Outer Boundary for Early Mars for Star LHS 3844 distance : 0.114 AU
(Habitable zone calculated based on Kopparapu et al.(Original) around the star LHS 3844)
(Position in Stellar Map of star LHS 3844 and its Exoplanet LHS 3844 b)
(Zoomed position in Stellar Map of star LHS 3844 and its Exoplanet LHS 3844 b (zoom level 3))
(Synthetic Spectrum of star LHS 3844*)
*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
