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Stellar HostProfile

LTT 3780

M3.5 V • 21.98 pc

Records

8

literature rows

Planets

2

system count

References

8

distinct source labels

TIC: TIC 36724087

Approximate color

from effective temperature

Canonical Summary

Adopted host values from all rows

Numeric fields use the median of non-null measurements. Disagreement stays visible through ranges, counts, and provenance.

Temperature

3331 K

3329 to 3857.6

7 values • 5 distinct

Mass

0.38 Msun

0.36 to 0.40

5 values • 5 distinct

Radius

0.37 Rsun

0.37 to 0.38

7 values • 5 distinct

Age

3.10 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-1.78 log(Lsun)

-1.81 to -1.78

3 values • 3 distinct

Distance

21.98 pc

single adopted value

8 values • 1 distinct

Spectral Type

M3.5 V

Multiple classifications reported

M3.5 V (2), M4 V (1)

Planets

2

Stable across source rows

2

Scale Comparison

Radius against the Sun

Current adopted radius: 0.37 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

LTT 3780

0.37 R☉

System Layout

Known planets

2 planets linked to this host

LTT 3780 c

Transit

Discovery

2020

Period

12.25 days

Radius

2.30 R⊕

Mass

Eq. Temp

330.1 K

LTT 3780 b

Transit

Discovery

2020

Period

0.77 days

Radius

1.14 R⊕

Mass

Eq. Temp

830.9 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

8

Stellar refs

7

System refs

1

Distancestable

8 values • 1 distinct

Parallaxstable

8 values • 1 distinct

Temperaturedisputed

7 values • 5 distinct

Massdisputed

5 values • 5 distinct

Radiusdisputed

7 values • 5 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

7 values • 5 distinct

Metallicitydisputed

4 values • 3 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
33290.3721.98ExoFOPTICv8
33600.380.38-1.78M3.5 V21.98Nowak et al. 2020TICv8
33290.3721.98ExoFOPTICv8
33580.380.383.10-1.7821.98Bonfanti et al. 2024TICv8
33310.400.37M4 V21.98Cloutier et al. 2020TICv8
33310.360.37-1.8121.98TICv8TICv8
3857.621.98Gaia DR2TICv8
0.360.38M3.5 V21.98Weisserman et al. 2026TICv8