Exoplanet Name : |
TRAPPIST-1 b |
Alternate Name : |
|
Status : |
Confirmed |
Radius (Rjup / Re): |
0.0969 |
(Rjup) |
1.0860 |
(Rearth) |
Mass (Mjup / Me): |
0.0027 |
(Mjup) |
0.8584 |
(Mearth) |
Semi Major Axis / Orbital Distance Calculated |
0.0111 |
(AU) |
0.0111 |
(AU Est.) |
Eccentricity : |
0.0000 |
Orbital Period(Yrs) |
0.0041 |
Orbital Period(Observed/Estimated) |
1.51 |
(Days Obs.) |
1.51 |
(Days Est.) |
Surface Gravity (G Earth) |
0.7278 |
Star Radiation at Atmospheric Boundary: |
5841.3 |
(W/m2) |
Measured Temperature (K) |
503.0 |
(K) |
Blackbody T 0.1(K) |
390.2 |
(K) |
Blackbody T 0.3(K) |
366.4 |
(K) |
Blackbody T 0.7(K) |
296.5 |
(K) |
Tidally Locked Blackbody T 0.1(K) |
464.0 |
(K) |
Tidally Locked Blackbody T 0.3(K) |
435.8 |
(K) |
Size Class: |
Earth-size |
Mass Class: |
|
Detection Type : |
Primary Transit |
Mass Detection : |
TTV |
Radius Detection : |
Primary Transit |
Habitability by Solar Eq. Astronomical Unit: |
Not habitable |
Habitability by Kopparapu: |
Not habitable |
Star Name : |
TRAPPIST-1 |
Alternate Name : |
2MASS J23062928-0502285 |
Star Distance(LY) : |
39.5 |
Stellar Radius(Rsun) : |
0.1 |
(Rsun Measured) |
Stellar Mass(Msun) : |
0.1 |
(Msun Measured) |
0.1 |
(Msun Estimated) |
Star Age : |
7.6 |
(GY) |
Temperature : |
2560 |
(K) |
Spectral type : |
M8 |
UV portion[%]: |
0.5 |
Visible portion[%]: |
1.5 |
IR portion[%]: |
98.1 |
Metalicity : |
0.0 |
Absolute Magnitude: |
18.4 |
Apparent Magnitude: |
18.8 |
Right Ascension(RA) |
346.6223 |
Declination (DEC) |
-5.0414 |
Hubble Space Telescope Guide Star Catalog (GSC) ID |
|
Discovered by |
|
Discovery Paper - Authors |
"Micha_l Gillon, Emmanu_l Jehin1, Susan M. Lederer, Laetitia Delrez, Val_rie Van Grootel, Adam J. Burgasser, Amaury H. M. J. Triaud, Cyrielle Julien de Wit, Artem Burdanov, Opitom, Brice-Olivier Demory, " |
Discovery Paper - Title |
Temperate Earth-sized planets transiting a nearby ultracool dwarf star |
Discovery Paper - Journal |
http://www.eso.org/public/archives/releases/sciencepapers/eso1615/eso1615a.pdf |
Discovery Paper - URL |
0 |
SIMBAD LINK |
http://simbad.u-strasbg.fr/simbad/sim-basic?Ident=TRAPPIST-1&submit=SIMBAD+search |
Open Exoplanet Database Link |
http://www.openexoplanetcatalogue.com/planet/TRAPPIST-1%20b/ |
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