TRAPPIST-1 (Q23986556)

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

CARMENES input catalogue of M dwarfs. I. Low-resolution spectroscopy with CAFOS

catalog code

2MASS J23062928-0502285

1 reference

Gaia DR2 2635476908753563008

1 reference

Karmn J23064-050

1 reference

TIC 278892590

1 reference

Gaia DR3 2635476908753563008

1 reference

2.33

0 references

2.47

0 references

1 reference

inferred from equatorial coordinates

child astronomical body

TRAPPIST-1b

b

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TRAPPIST-1c

c

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TRAPPIST-1d

d

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TRAPPIST-1e

e

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TRAPPIST-1f

f

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TRAPPIST-1g

g

0 references

TRAPPIST-1h

h

0 references

distance from Earth

12.4669±0.0111 parsec

1 reference

12.4299±0.0187 parsec

1 reference

11.9 parsec

1 reference

Meeting the cool neighbors. XI. Beyond the NLTT catalog

reason for deprecated rank

12.1 parsec

item/value with less precision and/or accuracy

2 references

A New Brown Dwarf Desert? A Scarcity of Wide Ultracool Binaries

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

12.1±0.4 parsec

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

rotation period

1.4±0.05 day

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parallax

82.58 milliarcsecond

0 references

80.4512±0.1211 milliarcsecond

1 reference

82.58±2.58 milliarcsecond

1 reference

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

80.09±1.17 milliarcsecond

1 reference

Trigonometric parallaxes and proper motions of 134 southern late M, L, and T dwarfs from the Carnegie Astrometric Planet Search program

78.76±1.04 milliarcsecond

1 reference

The Solar Neighborhood. XXXX. Parallax Results from the CTIOPI 0.9 m Program: New Young Stars Near the Sun

80.2123±0.0716 milliarcsecond

1 reference

declination component of proper motion

−466.2±11.3 milliarcsecond per year

1 reference

The AllWISE motion survey, part 2

−479.403±0.174 milliarcsecond per year

1 reference

−471.9±1.8 milliarcsecond per year

1 reference

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

−461.88±0.94 milliarcsecond per year

1 reference

Trigonometric parallaxes and proper motions of 134 southern late M, L, and T dwarfs from the Carnegie Astrometric Planet Search program

−477±27 milliarcsecond per year

1 reference

Activity and Kinematics of Ultracool Dwarfs, Including an Amazing Flare Observation

−516±12 milliarcsecond per year

1 reference

Southern infrared proper motion survey. I. Discovery of new high proper motion stars from first full hemisphere scan

−95±7 milliarcsecond per year

1 reference

Southern very low mass stars and brown dwarfs in wide binary and multiple systems

118.5 milliarcsecond per year

1 reference

The Solar Neighborhood. XXXX. Parallax Results from the CTIOPI 0.9 m Program: New Young Stars Near the Sun

−479.038±0.07 milliarcsecond per year

1 reference

118.5±0.03 milliarcsecond per year

1 reference

The Solar Neighborhood. XXXX. Parallax Results from the CTIOPI 0.9 m Program: New Young Stars Near the Sun

right ascension component of proper motion

929.7±11.3 milliarcsecond per year

1 reference

The AllWISE motion survey, part 2

930.879±0.247 milliarcsecond per year

1 reference

922.1±1.8 milliarcsecond per year

1 reference

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

922.02±0.61 milliarcsecond per year

1 reference

Trigonometric parallaxes and proper motions of 134 southern late M, L, and T dwarfs from the Carnegie Astrometric Planet Search program

936±53 milliarcsecond per year

1 reference

Activity and Kinematics of Ultracool Dwarfs, Including an Amazing Flare Observation

905±22 milliarcsecond per year

1 reference

Southern infrared proper motion survey. I. Discovery of new high proper motion stars from first full hemisphere scan

−76±7 milliarcsecond per year

1 reference

Southern very low mass stars and brown dwarfs in wide binary and multiple systems

1,034.8±0.3 milliarcsecond per year

1 reference

The Solar Neighborhood. XXXX. Parallax Results from the CTIOPI 0.9 m Program: New Young Stars Near the Sun

930.788±0.087 milliarcsecond per year

1 reference

radial velocity

−56.3 kilometre per second

0 references

−54±2 kilometre per second

1 reference

The Brown Dwarf Kinematics Project (BDKP). IV. Radial velocities of 85 late-M and L dwarfs with MagE

−56.3±3 kilometre per second

1 reference

A volume-limited sample of 63 M7-M9.5 dwarfs. I. Space motion, kinematic age, and lithium

−53.362 kilometre per second

1 reference

The CARMENES search for exoplanets around M dwarfs. High-resolution optical and near-infrared spectroscopy of 324 survey stars

−52.003101±0.134416 kilometre per second

1 reference

APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South

−52.003101±0.13441 kilometre per second

1 reference

APOGEE Data and Spectral Analysis from SDSS Data Release 16: Seven Years of Observations Including First Results from APOGEE-South

type of variable star

rotating variable star

1 reference

CARMENES input catalogue of M dwarfs

spectral class

M7.5

1 reference

Meeting the cool neighbors. XI. Beyond the NLTT catalog

M8

2 references

Activity and Kinematics of Ultracool Dwarfs, Including an Amazing Flare Observation

M7.5e

1 reference

New Neighbors from 2MASS: Activity and Kinematics at the Bottom of the Main Sequence

M8.0

1 reference

The Ultracool SpeXtroscopic Survey. I. Volume-limited Spectroscopic Sample and Luminosity Function of M7-L5 Ultracool Dwarfs

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

18.798±0.082

1 reference

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

16.466±0.065

1 reference

The Solar Neighborhood. XVI. Parallaxes from CTIOPI: Final Results from the 1.5 m Telescope Program

14.024±0.115

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

11.354±0.022

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

10.718±0.021

1 reference

VizieR Online Data Catalog: 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)

10.296±0.023

1 reference

15.622554±0.003093

1 reference

luminosity

0.00000373

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absolute magnitude

18.4±0.1

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metallicity

0.04±0.08

2 references

Early 2017 observations of TRAPPIST-1 with Spitzer

dissolved, abolished or demolished date

temperature

2,550±55 kelvin

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4000 billion years CE

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5000 billion years CE

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radius

0.117±0.004 solar radius

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

imported from Wikimedia project

official website

http://www.trappist.one/

language of work or name

English

1 reference

French Wikipedia

locator map image

The ultracool dwarf star TRAPPIST-1 in the constellation of Aquarius.tif
3,338 × 3,111; 940 KB

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2 references

346.62236872857875 degree

1 reference

declination

−5.04139925051833 degree

1 reference

effective temperature

3,352.3333±103.6667 kelvin

1 reference

2,400 kelvin

1 reference

Exploring the stellar properties of M dwarfs with high-resolution spectroscopy from the optical to the near-infrared

2,560±55 kelvin

1 reference

Temperate Earth-sized planets transiting a nearby ultracool dwarf star

surface gravity

100,000 centimetre per square second

1 reference

Exploring the stellar properties of M dwarfs with high-resolution spectroscopy from the optical to the near-infrared

age estimated by a dating method

7.6±2.2 gigaannum

1 reference

On the Age of the TRAPPIST-1 System