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Stellar HostProfile

2MASS J04372171+2651014

M V • 128.5 pc

Records

2

literature rows

Planets

1

system count

References

3

distinct source labels

TIC: TIC 125843782

Approximate color

from effective temperature

Canonical Summary

Adopted host values from one source row

Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.

Stellar source: Gaidos et al. 2022 • System source: TICv8

Temperature

3100 K

3100 to 3243

2 values • 2 distinct

Mass

0.17 Msun

0.17 to 0.62

2 values • 2 distinct

Radius

0.84 Rsun

0.64 to 0.84

2 values • 2 distinct

Age

2.50e-3 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-1.16 log(Lsun)

-1.39 to -1.16

2 values • 2 distinct

Distance

128.5 pc

single adopted value

2 values • 1 distinct

Spectral Type

M V

Consistent across records

M V (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.84 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

2MASS J04372171+2651014

0.84 R☉

System Layout

Known planets

1 planets linked to this host

2M0437 b

Imaging

◌

Discovery

2021

Period

—

Radius

—

Mass

1271.3 M⊕

Eq. Temp

1450 K

The Young Red Dwarf 2MASS J04372171+2651014 and Its Planet

2MASS J04372171+2651014 is a small, cool red dwarf of spectral type M V, lying 419 light-years away. It is a very young star, with an age of 0.0025 billion years. Its mass is 0.17 solar masses, its radius is 0.84 solar radii, and its temperature is 3100 K - all smaller or cooler than the Sun. One planet is known to orbit this host.

That planet, 2M0437 b, was discovered by imaging in 2021. Its mass is 1270 Earth masses, roughly 4 times Jupiter's mass and larger than Earth's; no orbital period is reported for it.

Provenance

Underlying measurements and references

Download JSONDownload CSV

Evidence Summary

Rows

2

Stellar refs

2

System refs

1

Distancestable

2 values • 1 distinct

Parallaxstable

2 values • 1 distinct

Temperaturedisputed

2 values • 2 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

2 values • 2 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

2 values • 2 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
32430.620.64—-1.39—128.5TICv8TICv8
31000.170.842.50e-3-1.16M V128.5Gaidos et al. 2022TICv8