Planet TRAPPIST-1 f

Name TRAPPIST-1 f
Planet Status Confirmed
Discovered in 2017
Mass 0.0021 (± 0.00057) MJ
Mass*sin(i)
Semi-Major Axis 0.0371 (± 0.0011) AU
Orbital Period 9.20669 (± 1.5e-05) JD
Eccentricity 0.0 ( -0.0 +0.063 )
ω
Tperi
Radius 0.09323 (± 0.0034) RJ
Inclination 89.68 (± 0.034) deg
Update 2017-02-22
Detection Method Primary Transit
Mass Detection Method TTV
Radius Detection Method Primary Transit
Molecules
Primary transit 2457671.39767 (± 0.00023) JD
Secondary transit
λ
Impact Parameter b 0.382 (± 0.035)
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 219.0 (± 4.2) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

TRAPPIST-1
Name TRAPPIST-1
Distance 12.1 (± 0.4) pc
Spectral type M8
Apparent magnitude V 18.8
Mass 0.08 (± 0.009) MSun
Age 0.5 Gyr
Effective temperature 2550.0 (± 55.0) K
Radius 0.117 (± 0.004) RSun
Metallicity [Fe/H] 0.04 (± 0.08)
Detected Disc
Magnetic Field
RA2000 23:06:29.0
Dec2000 -05:02:29
Alternate Names 2MASS J23062928-0502285
Planetary system
7 planets

More data


Related publications

Seven temperate terrestrial planets around the nearby ultracool dwarf star TRAPPIST-1
2017 GILLON M., TRIAUD A., DEMORY B.-O. et al.
Nature, 542, 456
paper  arxiv   ADS

Enhanced interplanetary panspermia in the TRAPPIST-1 system
2017 LINGAM M. & LOEB A.
PNAS, submitted
arxiv  

Eclipse, transit and occultation geometry of planetary systems at exo-syzygy
2017 VERAS D. & BREEDT E.
MNRAS, 468, 2672
paper  arxiv  ADS

Exponential Distance Relation and Near Resonances in the Trappist-1 Planetary System
2017 PLETSER V. & BASANO L.
arxiv  

Assessing the Habitability of the TRAPPIST-1 System Using a 3D Climate Model
2017 WOLF E.
ApJ. Letters, 839, L1
paper  arxiv  ADS

Formation of TRAPPIST-1 and other compact systems
2017 ORMEL Ch., LIU B. & SCHOONENBERG D.
Astron. & Astrophys., submitted
arxiv  

Frequent flaring in the TRAPPIST-1 system - unsuited for life?
2017 VIDA K., KOVARI Z., PAL A., OLAH K. & KRISKOVICS L.
ApJ, submitted
arxiv  

A revolution is brewing: observations of TRAPPIST-1 exoplanetary system fosters a new biomarker
2017 TURBO-KING M., TANG B., HEBEERTABLE Z., CHOUFFE M., EXQUISIT B. & KEG-BEER L.
J. of Astrobiol.
arxiv  

Fast litho-panspermia in the habitable zone of the TRAPPIST-1 system
2017 KRIJT S., BOWLING T., LYONS R., & CIESLA F.
ApJ. Letters, 839, L21
paper  arxiv  ADS

Worlds Without Moons: Exomoon Constraints for Compact Planetary Systems
2017 KANE S.
ApJ. Letters, accepted
arxiv  

Plausible Compositions of the Seven TRAPPIST-1 Planets Using Long-term Dynamical Simulations
2017 QUARLES B., QUINTANA E., LOPEZ E., SCHLIEDER J. & BARCLAY Th.
ApJ. Letters, submitted
arxiv  

Limits on the Stability of TRAPPIST-1
2017 TAMAYO D., REIN H., PETROVICH C. & MURRAY N.
ApJ, submitted
arxiv  

Updated Masses for the TRAPPIST-1 Planets
2017 WANG S., WU D.-H., BARVLAY Th. & LAUGHLIN G.
ApJ, submitted
arxiv  

Temperate Earth-sized planets transiting a nearby ultracool dwarf star
2016 GILLON M., JEHIN E., LEDERER S., DELREZ L., de WIT J. et al.
Nature, 533, 221
paper  arxiv   ADS