Planet TRAPPIST-1 e

Name TRAPPIST-1 e
Planet Status Confirmed
Discovered in 2017
Mass 0.002 ( -0.0018 +0.0018 ) MJ
Mass*sin(i)
Semi-Major Axis 0.02817 ( -0.00087 +0.00083 ) AU
Orbital Period 6.099615 (± 1.1e-05) day
Eccentricity 0.0 (± 0.085)
ω
Tperi
Radius 0.0819 ( -0.0035 +0.0035 ) RJ
Inclination 89.86 ( -0.12 +0.1 ) deg
Update 2022-11-23
Detection Method Primary Transit
Mass Detection Method TTV
Radius Detection Method Primary Transit
Primary transit 2457660.37859 (± 0.00038) JD
Secondary transit
λ 44.0 ( -31.0 +22.0 ) deg +
Impact Parameter b 0.12 ( -0.09 +0.11 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 251.3 (± 4.9) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names 2MASS J23062928-0502285 e

Star

TRAPPIST-1
Name TRAPPIST-1
Distance 12.1 (± 0.4) pc
Spectral type M8
Apparent magnitude V 18.8
Mass 0.08 (± 0.007) MSun
Age 7.6 (± 2.2) Gyr
Effective temperature 2560.0 (± 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

Atmospheric parameters

Temperatures

Data Source Type Result Value Result Figure Notes Reference

Molecules

Molecule Data Source Type Result Value Result Figure Notes Reference
CO2 Modeling 2022 - HOCHMAN A.
H2O Measurements Detected 2017 - BOURRIER V.

Observability Predictor


Related publications

Heating and ionization by non-thermal electrons in the upper atmospheres of water-rich exoplanets
2023 GARCIA MUÑOZ A.
Astron. & Astrophys., 672, A77
paper   arxiv  

General Circulation Model Constraints on the Detectability of the CO2-CH4 Biosignature Pair on TRAPPIST-1e with JWST
2023 ROTMAN Y., KOMACEK Th., VILLANUEVA G., FAUCHEZ Th. & MAY E.
ApJ. Letters, 942, L4
paper   arxiv  

Scattering transparency of clouds in exoplanet transit spectra
2023 JAISWAL B. & ROBINSON T.
MNRAS, 523, 2809
paper   arxiv  

Mean motion resonance capture in the context of type I migration
2023 KAJTAZI K., PETIT A. & JOHANSEN A.
Astron. & Astrophys., 669, A53
paper   arxiv

Prebiosignature Molecules Can Be Detected in Temperate Exoplanet Atmospheres with JWST
2023 CLARINGBOLD A., RIMMER P., RUGHEIMER S. & SHORTLE O.
Astron. J., 166, 39
paper   arxiv  

Implications of atmospheric nondetections for Trappist-1 inner planets on atmospheric retention prospects for outer planets
2023 KRISSANSEN-TOTTON J.
ApJ. Letters, 951, L39
paper   arxiv  

New models of reflection spectra for terrestrial exoplanets: Present and prebiotic Earth orbiting around stars of different spectral types
2023 SINGLA M. & SENGUPTA S.
New Astron. J., accepted
arxiv  

Measuring the Obliquities of the TRAPPIST-1 Planets with MAROON-X
2023 BRADY M., BEAN J., SEIFAHRT A., KASPAR D., LUQUE R. et al.
Astron. J., 165, 129
paper   arxiv  

ExoMDN: Rapid characterization of exoplanet interior structures with Mixture Density Networks
2023 BAUMEISTER Ph. & TOSI N.
Astron. & Astrophys., in press
paper   arxiv  

Mapping the Skies of Ultracool Worlds: Detecting Storms and Spots with Extremely Large Telescopes
2023 PLUMMER M. & WANG J.
ApJ, 951, 101
paper  

Composition constraints of the TRAPPIST-1 planets from their formation
2023 CHILDS A., SHAKESPEARE C., RICE D., YANG Ch.-Ch. & STEFFEN J.
MNRAS, 524, 3749
paper   arxiv  

Early formation of a water ocean as a function of initial CO2 and H2O contents in a solidifying rocky planet
2023 MASSOL H., DAVAILLE A. & SARDA P.
JGR Planets, in press
paper  

A cool runaway greenhouse without surface magma ocean
2023 SELSIS F., LECONTE J., TURBET M., CHAVEROT G. & BOLMONT E.
Nature, 620, 287
paper  

Earth as a Transiting Exoplanet: A Validation of Transmission Spectroscopy and Atmospheric Retrieval Methodologies for Terrestrial Exoplanets
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Plan. Sci. J., accepted
arxiv  

Synergies Between Venus & Exoplanetary Observations
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Spa. Sci. Rev., 219, 13
paper   arxiv  

Conditions for Convergent Migration of N-Planet Systems
2022 BEAUGE C. & CERIONI M.
Cel. Mech. & Dyn. Astron., 134, 57
paper  

Traveling planetary-scale waves cause cloud variability on tidally locked aquaplanets
2022 COHEN M., BOLLASINA M., SERGEEV D., PALMER P. & MAYNE N.
Plan. Sci. J., 4, 68
paper  

Interior heating of rocky exoplanets from stellar flares with application to TRAPPIST-1
2022 GRAYVER A., BOWER D., SAUR J., DORN C. & MORRIS B.
ApJ. Letters, 941, L7
paper   arxiv  

Lower-than-expected flare temperatures for TRAPPIST-1
2022 MAAS A., ILIN E., OSHAGH M., PALLE E., PARVIAINEN H. et al.
Astron. & Astrophys., 668, A111
paper   arxiv  

Evaluating the Plausible Range of N2O Biosignatures on Exo-Earths: An Integrated Biogeochemical, Photochemical, and Spectral Modeling Approach
2022 SCHWIETERMAN E., OLSON S., PIDHOROTSKA D., REINHARD Ch., GANTI A. et al.
ApJ, 937, 109
paper   arxiv  

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). III. Simulated Observables—the Return of the Spectrum
2022 FAUCHEZ Th., VILLANUEAVA G., SERGEEV D., TURBET M., BOUTLE I. et al.
Plan. Sci. J., 3, 213
paper  

High-Resolution spectral models of TRAPPIST-1e seen as a Pale Blue Dot for ELT and JWST observations
2022 LIN Z. & KALTENEGGER L.
MNRAS, 516, 3167
paper  arxiv  

Alternative Methylated Biosignatures I: Methyl Bromide, A Capstone Biosignature
2022 LEUNG M., SCHWIETERMAN E., PARENTEAU M. & FAUCHEZ Th.
ApJ, 938, 6
paper  arxiv  

A Criterion for the Stability of Planets in Chains of Resonances
2022 GOLDBERG M., BATYGIN K. & MORBIDELLI A.
Icarus, accepted
arxiv  

Bistability of the atmospheric circulation on TRAPPIST-1e
2022 SERGEEV D., LEWIS N., LAMBERT F., MAYNE N., BOUTLE I. et al.
Plan. Sci. J., 3, 214
paper   arxiv  

VLT, GROND and Danish Telescope observations of transits in the TRAPPIST-1 system
2022 SOUTHWORTH J., MANCINI L., DOMINIK M., JORGENSEN U., BOZZA V. et al.
The Observatory, accepted
arxiv

Long-term tidal evolution of the TRAPPIST-1 system
2022 BRASSER R., PICHIERRI G., DOBOS V. & BARR A.
MNRAS, 515, 2373
paper   arxiv

Predictions for Observable Atmospheres of Trappist-1 Planets from a Fully Coupled Atmosphere–Interior Evolution Model
2022 KRISSANSEN-TOTTON J. & FORTNEY J.
ApJ, 933, 115
paper   arxiv  

Stratospheric Clouds Do Not Impede JWST Transit Spectroscopy for Exoplanets with Earth-Like Atmospheres
2022 DOSHI D., COWAN N. & HUANG Y.
MNRAS, 515, 1982
paper   arxiv  

Mantle Degassing Lifetimes through Galactic Time and the Maximum Age Stagnant-lid Rocky Exoplanets Can Support Temperate Climates,
2022 UNTERBORN C., FOLEY B., DESCH S., YOUNG P., VANCE G. et al.
ApJ. Letters, 930, L6
paper  

Architectures of Compact Super-Earth Systems Shaped by Instabilities
2022 GOLDBERG M. & BATYGIN K.
Astron. J., 163, 201
paper   arxiv  

Detectability of Chlorofluorocarbons in the Atmospheres of Habitable M-dwarf Planets
2022 HAQQ-MISRA J., KOPPARAPPU R., FAUCHEZ Th., FRANK A., WRIGHT J. & LINGAM M.
Plan. Sci. J., 3, 60
paper   arxiv

Habitable planet formation around low-mass stars: Rapid accretion, rapid debris removal and the essential contribution of external giants
2022 CLEMENT M., QUINTANA E. & QUARLES B.
ApJ, 928, 91
paper   arxiv

Orbital Evolution of Close-in Super-Earths Driven by Atmospheric Escape
2022 FUJITA N., HORI Y. & SASAKI T.
ApJ, 926, 105
paper   arxiv

Rapid-then-slow migration reproduces mass distribution of TRAPPIST-1 system
2022 OGIHARA M., KOKUBO E., NAKANO R. & SUZUKI T.
Astron. & Astrophys., 658, A184
paper   arxiv  

An Energy Balance Model for Rapidly and Synchronously Rotating Terrestrial Planets
2022 HAQQ-MISRA J. & HAYWORTH B.
Plan. Sci. J., 3, 32
paper   arxiv  

Atmospheres of Rocky Exoplanets
2022 WORDSWORTH R. & KREIDBERG L.
Ann. Rev. Astron. and Astrophysics, 60, 159
paper arxiv

Detecting the proposed CH4-CO2 biosignature pair with the James Webb Space Telescope: TRAPPIST-1e and the effect of cloud/haze
2022 MIKAL-EVANS Th.
MNRAS, 510, 980
paper   arxiv  

TRAPPIST-1: Dynamical analysis of the transit-timing variations and origin of the resonant chain
2022 TEYSSANDIER J., LIBERT A.-S. & AGOL E.
Astron. & Astrophys., 658, A170
paper   arxiv  

The dynamics of the TRAPPIST-1 system in the context of its formation
2022 HUANG Sh. & ORMEL Ch.
MNRAS, 511, 3814
paper   arxiv

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part I: Dry Cases -- The fellowship of the GCMs
2022 TURBET M., FAUCHEZ Th., SERGEEV D., BOUTLE I., TSIGARIDIS K. et al.
Plan. Sci. J., 3, 211
paper  arxiv

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part II: Moist Cases -- The Two Waterworlds
2022 SERGEEV D., FAUCHEZ Th., TURBET M., BOUTLE I., TSIGARIDIS K. et al.
Plan. Sci. J., 3, 212
paper  arxiv

Liquid water on cold exo-Earths via basal melting of ice sheets
2022 OJHA L., TRONCONE B., BUFFO J., JOURNAUX B. & McDONALD G.
Nature Communications, 13, 7521
paper   arxiv  

Greater climate sensitivity and variability on TRAPPIST-1e than Earth
2022 HOCHMAN A., DE LUCA P. & KOMACEK Th.
ApJ, 938, 114
paper  arxiv

TRAPPIST Habitable Atmosphere Intercomparison (THAI) workshop report
2021 FAUCHEZ Th., TURBET M., SERGEEV D., MAYNEN., SPIGA A.
Plan. Sci. J., 2, 106
paper   arxiv

Homogeneous model for the TRAPPIST-1e planet with an icy layer
2021 GEVORGYAN Y.
Astron. & Astrophys., 650, A141
paper   arxiv

Characteristics of aquatic biospheres on temperate planets around Sun-like stars and M-dwarfs
2021 LINGAM M. & LOEB A.
MNRAS, 503, 3434
paper  

The Mega-MUSCLES Spectral Energy Distribution Of TRAPPIST-1
2021 WILSON D., FRONING C., DUVVURI G., FRANCE K., YOUNGBLOOD A. et al.
ApJ, 911, 18
paper  arxiv

Characterisation of the hydrospheres of TRAPPIST-1 planets
2021 ACUÑA L., DELEUIL M., MOUSIS O., MARCQ E., LEVESQUE M. & AGUICHINE A.
Astron. & Astrophys., 647, A53
paper   arxiv

Formation of multiple-planet systems in resonant chains around M dwarfs
2021 LIN Y.-Ch., MATSUMOTO Y. & GU P.-G.
ApJ, 907, 81
paper   arxiv

Phase Modeling of the TRAPPIST-1 Planetary Atmospheres
2021 KANE S., JANSEN T., FAUCHEZ Th., SELSIS F. a CEJA A.
Astron. J., 161, 53
paper   arxiv

Confirmation of a Dynamical Model for the TRAPPIST-1 Exoplanetary System
2021 TAMBURO P., MUIRHEAD Ph., AGOL E., HART M. & THAKAR B.
Res. Notes AAS., 5, 219
paper  

Why Do M Dwarfs Have More Transiting Planets?
2021 MULDERS G., DRAZKOWSKA J., van der MAREL N., CIESLA F. & PASCUCCI I.
ApJ Lett., 920, L1
paper   arxiv  

Tidal Dissipation in Dual-Body, Highly Eccentric, and Non-synchronously Rotating Systems: Applications to Pluto-Charon and the Exoplanet TRAPPIST-1e
2021 RENAUD J., HENNING W., SAXENA P., NEVEU M., BAGHERI A. et al.
Plan. Sci. J., 2, 4
paper   arxiv  

The TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Part III: Simulated Observables -- The return of the spectrum
2021 FAUCHEZ Th., VILLANUEVA G., SERGEEV D., TURBET M., BOUTLE I. et al.
Plan. Sci. J., submitted
arxiv

Past, present and future stars that can see Earth as a transiting exoplanet
2021 KALTENEGGER L. & FAHERTY J.
Nature, 594, 505
paper   paper  

A differentiable N-body code for transit timing and dynamical modeling. I. Algorithm and derivatives
2021 AGOL E., HERNANDEZ D. & LANGFORD Z.
MNRAS, 507, 1582
paper   arxiv  

How Flat Can a Planetary System Get? I. The Case of TRAPPIST-1
2021 HEISING M., SASSELOV D., HERNQUIST L. & TIO-HUMPHREY A.
ApJ, 913, 126
paper  

Auto-Differentiable Spectrum Model for High-Dispersion Characterization of Exoplanets and Brown Dwarfs
2021 KAWAHARA H., KAWASHIMA U., MASUDA K. & CROSSFIELD I.
Astron. J., submitted
arxiv

Improved Constraints for the XUV Luminosity Evolution of Trappist-1
2021 BIRKY J., BARNES R. & FLEMING D.
Res. Notes AAS., 5, 122
paper  

Differentiating Modern and Prebiotic Earth Scenarios for TRAPPIST-1e: High-resolution Transmission Spectra and Predictions for JWST
2021 LIN Z., MacDONALD R., KALTENEGGER L. & WILSON D.
MNRAS, 505, 3562
paper   arxiv  

Water Ice Cloud Variability and Multi-epoch Transmission Spectra of TRAPPIST-1e
2021 MAY E., TAYLOR J., KOMACEK T., LINE M. & PARMENTIER V.
ApJ Lett., 911, L30
paper  

An upper limit on late accretion and water delivery in the TRAPPIST-1 exoplanet system
2021 RAYMOND S., IZIDORO A., BOLMONT E., DORN C., SELSIS F. et al.
Nature Astronomy, 6, 80
paper   arxiv  

Atmospheric Reconnaissance of the TRAPPIST-1 Planets
2021 LIM O. et al.
JWST GO Program
abstract  

Using the Climate App to learn about Planetary Habitability and Climate Change
2021 ZHU L., COURCHESNE A. & COWAN N.
International Astronomical Union CAP2021, accepted
arxiv  

Transit Duration Variations in Multi-Planet Systems
2020 BOLEY A., VAN LAERHOVEN Ch., PAULA A. & CONTRERAS G.
Astron. J., 159, 207
paper   arxiv

The TRAPPIST-1 JWST Community Initiative
2020 GILLON M., MEADOWS V., AGOL E., BURGASSER A., DEMING D. et al.
arxiv  

Evidence for Spin-orbit Alignment in the TRAPPIST-1 System
2020 HIRANO T., GAIDOS E., WINN J., DAI F., FUKUI A. et al.
ApJ. Letters, accepted
arxiv  

Effect of vegetation on the temperatures of Trappist-1 planets
2020 VECCHIO A., PRIMAVERA L., LEPRETI F., ALBERTI T. & CARBONE V.
ApJ, accepted
arxiv  

Sensitive Probing of Exoplanetary Oxygen via Mid Infrared Collisional Absorption
2020 FAUCHEZ Th., VILLANUEVA G., SCHWEITERMAN E., TURBET M., ARNEY G. et al.
Nature Astronomy, in press
paper  arxiv  

Detectability of Molecular Signatures on TRAPPIST-1e through Transmission Spectroscopy Simulated for Future Space-Based Observatories
2020 PIDHORODETSKA D., FAUCHEZ Th., VILLANUEVA G. & DOMAGAL-GOLDMAN S.
ApJ. Letters, 898, L33
paper  arxiv  

The Detectability and Constraints of Biosignature Gases in the Near and Mid-Infrared from Transit Transmission Spectroscopy
2020 TREMBLAY L., LINE M., STEVENSON K., KATARIA T., ZELLEM R. et al.
Astron. J., 159, 117
paper  arxiv  

Impact of Space Weather on Climate and Habitability of Terrestrial Type Exoplanets
2020 AIRAPETIAN V., BARNES R., COHEN O., COLLINSON G., DANCHI W. et al.
Int. J. Astrobiol., 19, 136
paper

High-resolution reflection spectra for Proxima b and Trappist-1e models for ELT observations
2020 LIN Z. & KALTENEGGER L.
MNRAS, 491, 2845
paper  arxiv  

Stellar Proton Event-induced surface radiation dose as a constraint on the habitability of terrestrial exoplanets
2020 ATRI D.
MNRAS, 492, L28
paper  arxiv  

Diverse outcomes of planet formation and composition around low-mass stars and brown dwarfs
2020 MIGUEL Y., CRIDLAND A., ORMEL C., FORTNEY J. & IDA S.
MNRAS, 491, 1998
paper  arxiv  

Searching for a cometary belt around Trappist-1 with ALMA
2020 MARINO S., WYATT M., KENNEDY G., KAMA M., MATRA L. et al.
MNRAS, 492, 6067
paper  arxiv  

Fundamental Limits From Chaos On Instability Time Predictions In Compact Planetary Systems
2020 HUSSAIN N. & TAMAYO D.
MNRAS, in press
paper  

Photosynthesis on Exoplanets and Exomoons from Reflected Light
2020 LINGAM M. & LOEB A.
Int. J. Astrobiol., 19, 210
paper  arxiv  

TRAPPIST-1 Habitable Atmosphere Intercomparison (THAI). Motivations and protocol version 1.0
2020 FAUCHEZ Th., TURBET M., WOLF E., BOUTLE I., WAY M. et al.
Geosci. Model Dev., 13, 707
paper   arxiv  

Atmospheric composition of exoplanets based on the thermal escape of gases and implications for habitability
2020 KONATHAM S., MARTIN-TORRES J. & ZORZANO M.-PL
Proc. Roy. Sic. A, 476, 20200148
paper  

The Effect of Land Albedo on the Climate of Land-Dominated Planets in the TRAPPIST-1 System
2020 RUSHBY A., SHIELDS A., WOLF E., LAGUE M. & BURGASSER A.
ApJ, 904, 124
paper  arxiv

SPECULOOS -- Ultracool Dwarf Transit Survey: Target List and Strategy
2020 SEBASTIAN D., GILLON M., DUCROT E., POZUELOS F., GARCIA L. et al.
Astron. & Astrophys., 645, A100
paper   arxiv

Solid tidal friction in multi-layer planets: Application to Earth, Venus, a Super Earth and the TRAPPIST-1 planets. Can a multi-layer planet be approximated as a homogeneous planet?
2020 BOLMONT E., BRETON S., TOBIE G., DUMOULIN C., MATHIS S. & GRASSET O.
Astron. & Astrophys., 644, A165
paper   arxiv

Refining the transit timing and photometric analysis of TRAPPIST-1: Masses, radii, densities, dynamics, and ephemerides
2020 AGOL E., DORN C., GRIMM S., TURBET M., DUCROT E. et al.
Plan. Sci. J., 2, 1
paper     arxiv

A numerical method for computing optimum radii of host stars and orbits of planets, with application to Kepler-11, Kepler-90, Kepler-215, HD 10180, HD 34445, and TRAPPIST-1
2020 GEROYANNIS V.
Int. J. Modern Phys. C, submitted
arxiv  

Surface and oceanic habitability of Trappist-1 planets under the impact of flares
2020 ESTRELA R., PALIT S. & VALIO A.
Astrobiology, 20, 1465
paper  arxiv  

Magma ocean evolution of the TRAPPIST-1 planets
2020 BARTH P., CARONE L., BARNES R., NOACK L., MOLLIERE P. & HENNING Th.
Astrobiology, 21, 1325
paper   arxiv  

Precision Radial Velocity Measurements by the Forward Modeling Technique in the Near Infrared
2020 HIRANO T., KUZUHARA M., KOTANI T., OMIYA M., KUDO T. et al.
PASJ, submitted
arxiv  

Water transport throughout the TRAPPIST-1 system: the role of planetesimals
2020 DOSOVIC V., NOVAKOVIC B., VUKOVIC B? & CIRKOVIC M.
MNRAS, 499, 4626
paper   arxiv

A review of possible planetary atmospheres in the TRAPPIST-1 system
2020 TURBET M., BOLMONT E., BOURRIER V., DEMORY B.-O., LECONTE J. et al.
Spa. Sci. Rev., accepted
arxiv  

Evryscope and K2 Constraints on TRAPPIST-1 Superflare Occurrence and Planetary Habitability
2020 GLAZIER A., HOWARD W., CORBETT H., LAW N., RATZOFF J., FORS O. & del SAR D.
ApJ., accepted
arxiv

TRAPPIST-1: Global results of the Spitzer exploration science program Red Worlds
2020 DUCROT E., GILLON M., DELREZ L., RIMMER P., TURBET M. et al.
Astron. & Astrophys., 640, A112
paper  arxiv  

Distinguishing between wet and dry atmospheres of TRAPPIST-1 e and f
2020 WUNDERLICH F., SCHEURER M., GODOLT M., GRENFELL J., SCHREIER F. et al.
ApJ., accepted
arxiv

Aquatic Biospheres On Temperate Planets Around Sun-like Stars And M-dwarfs
2020 LINGAM M. & LOEB A.
ApJ., submitted
arxiv

Implications of different stellar spectra for the climate of tidally-locked Earth-like exoplanets
2020 EAGER J., REICHELT D., MAYNE J., LAMBERT F., SERGEEV D. et al.
Astron. & Astrophys., 639, A99
paper   arxiv

A Coupled Analysis of Atmospheric Mass Loss and Tidal Evolution in XUV Irradiated Exoplanets: the TRAPPIST-1 Case Study
2020 BECKER J., GALLO E., HODGES-KLUCK E., ADAMS F. & BARNES R.
Astron. J., 159, 275
  paper   arxiv

Impact of tides on the transit-timing fits to the TRAPPIST-1 system
2020 BOLMONT E. DEMORY B.-O., BLANCO-CUARESMA S., AGOL E., GRIMM S. et al.
Astron. & Astrophys., 635, A117
paper   arxiv  

Planetary Magnetic Field Control of Ion Escape from Weakly Magnetized Planets
2019 EGAN H., JARVINEN I., MA Y. & BRAIN D.
MNRAS, 488, 2108
paper  

Observability of hydrogen-rich exospheres in Earth-like exoplanets
2019 dos SANTOS L., BOURRIER V., EHRENREICH D. & KAMEDA Sh.
Astron. & Astrophys., 622, A46
paper  arxiv

Predicting the Extreme Ultraviolet Radiation Environment of Exoplanets Around Low-Mass Stars: the TRAPPIST-1 System
2019 PEACOCK S., BARMAN T., SHKOLNIK E., HAUSCHILDT P. & BARON E.
ApJ, 871, 235
paper  arxiv  

Time-resolved image polarimetry of Trappist-1 during planetary transits
2019 MILES-PAEZ P., ZAPATERO-OSORIO M., PALLE E. & METCHEV S.
MNRAS, 484, L38
paper  arxiv  

Optimized transit detection algorithm to search for periodic transits of small planets
2019 HIPPKE M. & HELLER R.
Astron. & Astrophys., 623, A39
paper  arxiv  

Time-variable electromagnetic star-planet interaction: The TRAPPIST-1 system as an exemplary case
2019 FISCHER Ch. & SAUR J.
ApJ, accepted
arxiv  

A search for technosignatures from TRAPPIST-1, LHS 1140, and 10 planetary systems in the Kepler field with the Green Bank Telescope at 1.15-1.73 GHz
2019 PINCHUK P., MARGOT J.-L., GREENBERG A., AYALDE Th., BLOXHAM Ch. et al.
Astron. J., 157, 122
paper  arxiv  

A water budget dichotomy of rocky protoplanets from 26Al-heating
2019 LICHTENBERG T., GOLABEK G., BURN R., MEYER M., ALIBERT Y. et al.
Nature Astronomy, in press
paper  arxiv  

Tidal Heating and the Habitability of the TRAPPIST-1 Exoplanets
2019 DOBOS V., BARR A. & KISS L.
Astron. & Astrophys., 624, A2
paper  arxiv  

Stellar energetic particles in the magnetically turbulent habitable zones of TRAPPIST-1-like planetary systems
2019 FRASCHETTI F., DRAKE J., ALVADARO-GOMEZ J., MOSCHOU S. & COHEN C.
ApJ, accepted
arxiv  

Mass-Radius relationship for M dwarf exoplanets: Comparing nonparametric and parametric methods
2019 KANODIA Sh., WOLFGANG A., STEFANSSON G., NING B. & MAHADEVAN S.
ApJ, submitted
arxiv  

Tides between the TRAPPIST-1 planets
2019 HAY H. & MATSUYAMA I.
ApJ, 875, 22
paper  arxiv  

Predicting Additional Planets in TRAPPIST-1
2019 CHRISTODOULOU D. & KAZANAS D.
Res. Notes AAS, 3, 50
paper  

Detectability of atmospheric features of Earth-like planets in the habitable zone around M dwarfs
2019 WUNDERLICH F., GODOLT M., GRENFELL J., STÄDT S., SMITH A. et al.
Astron. & Astrophys., 624, A49
paper  arxiv

Lessons from early Earth: UV surface radiation should not limit the habitability of active M star systems
2019 O'MALLEY-JAMES J. & KALTENEGGER L.
MNRAS, accepted
arxiv  

Chaotic Quantum Behaved Particle Swarm Optimization for Multiobjective Optimization in Habitability Studies
2019 JOHN A. & MURTHY A.
arxiv  

Ground-based follow-up observations of TRAPPIST-1 transits in the near-infrared
2019 BURDANOV A., LEDERER S., GILLON M., DELREZ L., DUCROT E. et al.
MNRAS, 487, 1626
paper  arxiv  

The Detectability and Characterization of the TRAPPIST-1 Exoplanet Atmospheres with JWST
2019 LUSTIG-YAEGER J., MEADOWS V. & LINCOWSKI A.
Astron. J., 158, 27
paper  arxiv  

Water delivery to the TRAPPIST-1 planets
2019 DENCS Z. & REGALY Zs.
MNRAS, 487, 2191
paper  arxiv  

The Chaotic Nature of TRAPPIST-1 Planetary Spin States
2019 VINSON A., TAMAYO D. & HANSEN B.
MNRAS, 488, 5739
paper   arxiv  

Observing Isotopologue Bands in Terrestrial Exoplanet Atmospheres with the James Webb Space Telescope---Implications for Identifying Past Atmospheric and Ocean Loss
2019 LINCOWSKI A., LUSTIG-YAEGER J. & MEADOWS V.
Astron. J., 158, 26
paper  arxiv  

A pebble-driven formation model for compact planetary systems like TRAPPIST-1
2019 SCHOONENBERG D., LIU B., ORMEL Ch. & DORN C.
Astron. & Astrophys., 627, A149
paper  arxiv  

On The XUV Luminosity Evolution of TRAPPIST-1
2019 FLEMING D., BARNES R., LUGER R. & VANDERPLAS J.
ApJ, submitted
arxiv  

Impact of Stellar Superflares on Planetary Habitability
2019 YAMASHIKI Y., MAEHARA H., AIRAPETIAN V., NOTSU Y., SATO T. et al.
ApJ, accepted
arxiv  

Constraining the Radio Emission of TRAPPIST-1
2019 HUGHES A., BOLEY A., OSTEN R. & WHITE J.
ApJ, 881, 33
paper  arxiv  

Simulating Radial Velocity Observations of Trappist-1 with SPIRou
2019 KLEIN B. & DONATI J.-F.
MNRAS, 488, 5114
paper  arxiv  

The Mid-InfraRed Exo-planet CLimate Explorer MIRECLE: Exploring the Nearest M-Earths Through Ultra-Stable Mid-IR Transit and Phase-Curve Spectroscopy
2019 STAGUHN J., MANDELL A., STEVENSON K., SAXENA P., KOPPARAPU R. et al.
WP to the US Astronomy and Astrophysics Decadal Survey

Pebbles versus Planetesimals: The case of Trappist-1
2019 COLEMAN G., LELEU A., ALIBERT Y. & BENZ W.
Astron. & Astrophys., 631, A7
paper  arxiv  

An empirical infrared transit spectrum of Earth: opacity windows and biosignatures
2019 MacDONALD E. & COWAN N.
MNRAS, 489, 196
paper  arxiv  

Transition from eyeball to snowball driven by sea-ice drift on tidally locked terrestrial planets
2019 YANG J., JI W. & ZENG Y.
Nature Astronomy, in press
paper  

A Reanalysis of the Fundamental Parameters and Age of TRAPPIST-1
2019 GONZALES E., FAHERTY J., GAGNE J., TESKE J., McWILLIAMS A. & CRUZ K.
ApJ, accepted
arxiv  

O2- and CO-Rich Atmospheres for Potentially Habitable Environments on TRAPPIST-1 Planets
2019 HU R., PETERSON L. & WOLF E.
ApJ, accepted
arxiv  

Do the TRAPPIST-1 Planets Have Hydrogen-rich Atmospheres?
2019 HORI Y. & OGIHARA M.
ApJ, 889, 77
paper  arxiv  

Modeling climate diversity, tidal dynamics and the fate of volatiles on TRAPPIST-1 planets
2018 TURBET M., BOLMONT E., LECONTE J., FORGET F., SELSIS F. et al.
Astron. & Astrophys., 612, A86
paper  arxiv   ADS  

Shadow Imaging of Transiting Objects
2018 SANDFORD E. & KIPPING D.
Astron J., 157, 42
paper  arxiv

Seismicity on Tidally Active Solid-Surface Worlds
2018 HURFORD T., HENNING W., MAGUIRE R., LEKIC V., SCHMERR N. et al.
Icarus, submitted
arxiv  

Magnetic Fields on the Flare Star Trappist-1: Consequences for Radius Inflation and Planetary Habitability
2018 MULLAN D., MacDONALD J., DIETRICH S. & FAUSEY H.
ApJ, 869, 149
paper  arxiv 

Optical Detection of Lasers with Near-term Technology at Interstellar Distances
2018 CLARK J. & CAHOY K.
ApJ, 867, 97
paper  

Constraining the environment and habitability of TRAPPIST-1
2018 BOLMONT E.
in Proceeding of the SF2A (Société Française d'Astronomie et d'Astrophysique)
arxiv  

Limits on Clouds and Hazes for the TRAPPIST-1 Planets
2018 MORAN S., HÖRST S., BATALHA N., LEWIS N. & WAKEFORD H.
Astron. J., 156, 252
paperarxiv  

Impacts of dust feedback on a dust ring induced by a planet in a protoplanetary disk
2018 KANAGAWA K., MUTO T., OKUZUMI S., TANIGAWA T., TAKI T. & SHIBAIKE Y.
ApJ, accepted
arxiv  

Planet-Planet Tides in the TRAPPIST-1 System
2018 WRIGHT J.
Res. Notes AAS, 2, 175
paper   arxiv  

Evolved Climates and Observational Discriminants for the TRAPPIST-1 Planetary System
2018 LINCOWSKI A., MEADOWS V., CRISP D., ROBINSON T., LUGER R. et al.
ApJ, 867, 76
arxiv  

Observing Oceans in Tightly Packed Planetary Systems: Perspectives from Polarization Modeling of the TRAPPIST-1 System
2018 KOPPARLA P., NATRAJ V., CRISP D., BOTT K., SWAIN M. et al.
Astron. J., 156, 143
paper  

Physical constraints on the likelihood of life on exoplanets
2018 LINGAM, M. & A. LOEB
Int. J. of Astrobiol., 17, 116
paper  

Hydrohalite Salt-albedo Feedback Could Cool M-dwarf Planets
2018 SHIELDS, A. & R. CARNS
ApJ, 867, 11
paper   arxiv   ADS  

Detectability of Biosignatures in Anoxic Atmospheres with the James Webb Space Telescope: A TRAPPIST-1e Case Study
2018 KRISSANSEN-TOTTON, J., GARLAND, R., IRWIN, P. & D. CATLING
Astron. J., 156, 114
paper  arxiv  

Non-detection of Contamination by Stellar Activity in the Spitzer Transit Light Curves of TRAPPIST-1
2018 MORRIS, B., AGOL, E., HEBB, L., HAWLEY, S., GILLON, M. et al.
ApJL, 863, L32
paper   arxiv   ADS  

Interior characterization in multiplanetary systems: TRAPPIST-1
2018 DORN, C., MOSEGAARD, K., GRIMM, S. & Y. ALIBERT
ApJ, 865, 20
paper   arxiv   ADS  

Predicting the Orbit of TRAPPIST-1i
2018 KIPPING, D.
AAS Reseach Notes, 2, 136
arxiv  paper  

The 0.8-4.55μm broadband transmission spectra of TRAPPIST-1 planets
2018 DUCROT, E., SESTOVIC, M. MORRIS, B. GILLON, M., TRIAUD, A. et al.
Astron. J., 156, 218
paper  arxiv  ADS  

The Impact of Stellar Distances on Habitable Zone Planets
2018 S. KANE
ApJL, 861, L21
arxiv    ADS  

Updated Compositional Models of the TRAPPIST-1 Planets
2018 UNTERBORN, C, HINKEL, N; & S. DESCH
RNAAS, 2, 116
arxiv  paper   ADS  

A Deep Radio Limit for the TRAPPIST-1 System
2018 PINEDA J. & HALLINAN G.
ApJ, 866, 155
paper  arxiv  

Polarization of Trappist-1 by the Transit of its Planets
2018 SENGUPTA S.
ApJ, 861, 41
arxiv   paper  

Dynamical Constraints on Nontransiting Planets Orbiting TRAPPIST-1
2018 JONTOF-HUTTER D., TRUONG V., FORD E., ROBERTSON P. & TERRIEN R.
Astron. J., 155, 239
paper  

TRAPPIST-1e Has a Large Iron Core
2018 SUISSA G. & KIPPING D.
Res. Notes AAS, 2, 31
paper  arxiv  

On the Biohabitability of M-dwarf Planets
2018 WANDEL A.
ApJ, 856, 165
paper  

Spin-orbital tidal dynamics and tidal heating in the TRAPPIST-1 multi-planet system
2018 MAKAROV V., BERGHEA C. & EFROIMSKY M.
ApJ, accepted
arxiv  

Energy Dissipation in the Upper Atmospheres of Trappist-1 Planets
2018 COHEN O., GLOCER A., GARRAFFO C., DRAKE J. & BELL J.
ApJ. Letters, accepted
arxiv  

Resonance Capture and Dynamics of 3-Planet Systems
2018 CHARALAMBUS C., MARTI J., BEAUGE C. & RAMOS X.
MNRAS, in press
paper  arxiv  

Possible Bright Starspots on TRAPPIST-1
2018 MORRIS B., AGOL E., DAVENPORT J. & HAWLEY S.
ApJ, 857, 39
paper  arxiv  

Dimensionality and integrals of motion of the Trappist-1 planetary system
2018 FLOSS J., REIN H. & BRUMER P.
MNRAS, 477, 4874
paper  arxiv  

The extremely truncated circumstellar disc of V410 X-ray 1: a precursor to TRAPPIST-1?
2018 BONEBERG D., FACCHINI S., CLARKE C., ILEE J., BOOTH R. & BRUDERER S.
MNRAS, 477, 325
paper  arxiv  

Cometary impactors on the TRAPPIST-1 planets can destroy all planetary atmospheres and rebuild secondary atmospheres on planets f, g, h
2018 KRAL Q., WYATT M., TRIAUD A., MARINO S., THEBAULT Ph. & SHORTTLE O.
MNRAS, 479, 2649
arxiv   ADS   PAPER  

The Near-Infrared Transmission Spectra of TRAPPIST-1 Planets b, c, d, e, f, and g and Stellar Contamination in Multi-Epoch Transit Spectra
2018 ZHANG Zh., ZHOU Y., RACKHAM B & APAI D.
Astron. J., 156, 178
paper  arxiv  

The nature of the TRAPPIST-1 exoplanets
2018 GRIMM S., DEMORY B.-O., GILLON M., DORN C., AGOL E. et al.
Astron. & Astrophys., 613, A68
paper  arxiv  

Atmospheric reconnaissance of the habitable-zone Earth-sized planets orbiting TRAPPIST-1
2018 de WIT J., WAKEFORD H., LEWIS N., DELIREZ L., GILLON M. et al.
Nature Astronomy, in press
paper  arxiv  

Early 2017 observations of TRAPPIST-1 with Spitzer
2018 DELREZ L., GILLON M., TRIAUD A., DEMORY B.-O., de WIT J. et al.
MNRAS, 475, 3577
paper  arxiv  

Exoplanet-induced radio emission from M-dwarfs
2018 TURNPENNEY S., NICHOLS J., WYNN G. & BURLEIGH M.
ApJ, 854, 72
paper  arxiv  

Habitability of exoplanet waterworlds
2018 KITE E. & FORD E.
ApJ, 864, 75
arxiv   paper  

Interior Structures and Tidal Heating in the TRAPPIST-1 Planets
2018 BARR A., DOBOS V. & KISS L.
Astron. & Astrophys., 613, A37
paper  arxiv  

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

Habitability in Brown Dwarf Systems
2017 BOLMONT E.
in Handbook of Exoplanets (Springer)
arxiv  

Theoretical Validation of Potential Habitability via Analytical and Boosted Tree Methods: An Optimistic Study on Recently Discovered Exoplanets
2017 SAHA S., BASAK S., BORA K., SAFONOVA M., AGRAWAL S. et al.
arxiv  

Initiation of Plate Tectonics on Exoplanets with Significant Tidal Stress
2017 ZANAZZI J. & TRIAUD A.
Icarus, submitted
arxiv  

The TRAPPIST-1 system: Orbital evolution, tidal dissipation, formation and habitability
2017 PAPALOIZOU J., SZUSZKIEWICZ E. & TERQUEM C.
MNRAS, in press
paper  arxiv  

Planet-Planet Occultations in TRAPPIST-1 and Other Exoplanet Systems
2017 LUGER R., LUSTIG-YAEGER J. & AGOL E.
ApJ, 851, 94
paper  arxiv  

The Transit Light Source Problem: False Spectral Features and Incorrect Densities for M Dwarf Transiting Planets
2017 RACKHAM B., APAI D. & GIAMPAPA M.
ApJ, submitted
arxiv  

Refraction in exoplanet atmospheres: Photometric signatures, implications for transmission spectroscopy, and search in Kepler data
2017 ALP D. & DEMORY B.-O.
Astron. & Astrophys., 609, A90
paper  arxiv  

The Stellar Activity of TRAPPIST-1 and Consequences for the Planetary Atmospheres
2017 ROETTENBACHER R. & KANE S.
ApJ, 851, 77
paper  arxiv  

Magma oceans and enhanced volcanism on TRAPPIST-1 planets due to induction heating
2017 KISLYAKOVA K., NOACK L., JOHNSTONE C., ZITSEV V., FOSSATI L. et al.
Nature Astronomy, 1, 878
paper   arxiv  

The Science Case for an Extended Spitzer Mission
2017 YEE J., FAZIO G., BENJAMIN R., KIRKPATRICK D., MALKAN M. et al.
arxiv  

Anti-correlation between multiplicity and orbital properties in exoplanetary systems as a possible record of their dynamical histories
2017 ZINZI A. & TURINI D.
Astron. & Astrophys., in press
paper  arxiv  

Temporal evolution of the high-energy irradiation and water content of TRAPPIST-1 exoplanets
2017 BOURRIER V., de WIT J., BOLMONT E., STAMENKOVIC V., WHEATLEY P. et al.
Astron. J., 154, 121
paper  arxiv  

Astrometric Constraints on the Masses of Long-Period Gas Giant Planets in the TRAPPIST-1 Planetary System
2017 BOSS A., WEINBERGER A., KEISER S., ASTRAATMADJA T., ANGLADA-ESCUDE G. & THOMPSON I.
Astron. J., 154, 103
arxiv   paper   ADS  

Reduced Diversity of Life Around Proxima Centauri and TRAPPIST-1
2017 LINGAM M. & LOEB A.
ApJ, 846, L21
paper  arxiv   ADS  

Comparative Climates of the Trappist-1 Planetary System: Results from a Simple Climate-vegetation Model
2017 TOMMASO, A., CARBONE, V., LEPRETI F. & A. VECCHIO
ApJ, 844, 19
arxiv  paper   ADS  

Reconnaissance of the TRAPPIST-1 exoplanet system in the Lyman-α line
2017 BOURRIER, V., EHRENREICH, D., WHEATLEY, P. & 7 additional authors
Astron. & Astrophys., 599, L3
arxiv  paper   ADS  

Comparative Climates of TRAPPIST-1 planetary system: results from a simple climate-vegetation model
2017 ALBERTI T., CARBONE V., LEPRETI F. & VECCHIO A.
ApJ, accepted
arxiv  

The Threatening Environment of the TRAPPIST-1 Planets
2017 GARRAFFO C., DRAKE J., COHEN O., ALVARO-GOMEZ J. & MOSCHOU S.
ApJ Lett, 843, L33
paper  arxiv  

Constraining the Compositions of the TRAPPIST-1 Planets to Trace Snow Lines and Migration in M Dwarf Disks
2017 UNTERBORN C., DESCH S., HINKEL N. & LORENZO A.
ApJ
arxiv  

On the Age of the TRAPPIST-1 System
2017 BURGASSER A. & MAMAJEK E.
ApJ, 845, 110
paper  arxiv  

On the Spin States of Habitable Zone Exoplanets Around M Dwarfs: The Effect of a Near-Resonant Companion
2017 VINSON A. & HANSEN B.
MNRAS, 472, 3217
paper  arxiv  

Atmospheric escape from the TRAPPIST-1 planets and implications for habitability
2017 DONG Ch. JIN M., LINGAM M., AIRAPETIAN V., MA Y. &van der HOLST B.
arxiv  

Convergent Migration Renders TRAPPIST-1 Long-lived
2017 TAMAYO D., REIN H., PETROVICH C. & MURRAY N.
ApJ. Letters, 840, L19
paper  arxiv   ADS

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

Limits on the Stability of TRAPPIST-1
2017 TAMAYO D., REIN H., PETROVICH C. & MURRAY N.
ApJ, submitted
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, 842, L5
paper  arxiv  

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

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  

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

Formation of TRAPPIST-1 and other compact systems
2017 ORMEL Ch., LIU B. & SCHOONENBERG D.
Astron. & Astrophys., 604, A1
paper  arxiv   paper   ADS  

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

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

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

Enhanced interplanetary panspermia in the TRAPPIST-1 system
2017 LINGAM M. & LOEB A.
PNAS, 114, 6689
paper   arxiv  

Stellar parameters for TRAPPIST-1
2016 VAN GROOTEL V., FERNANDES C., GILLON M., JEHIN E., MANFROID J. et al.
ApJ, 853, 30
paper  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