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Stellar HostProfile

TOI-521

M3 • 60.94 pc

Records

3

literature rows

Planets

1

system count

References

4

distinct source labels

TIC: TIC 27649847

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

3465 K

3439 to 3544

3 values • 3 distinct

Mass

0.42 Msun

0.41 to 0.42

2 values • 2 distinct

Radius

0.42 Rsun

0.42 to 0.42

3 values • 2 distinct

Age

0.80 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-1.62 log(Lsun)

-1.64 to -1.60

2 values • 2 distinct

Distance

60.94 pc

single adopted value

3 values • 1 distinct

Spectral Type

M3

Consistent across records

M3 (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.42 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

TOI-521

0.42 R☉

System Layout

Known planets

1 planets linked to this host

TOI-521 b

Transit

◌

Discovery

2025

Period

1.54 days

Radius

1.97 R⊕

Mass

—

Eq. Temp

709.9 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

3

Stellar refs

3

System refs

1

Distancestable

3 values • 1 distinct

Parallaxstable

3 values • 1 distinct

Temperaturedisputed

3 values • 3 distinct

Massdisputed

2 values • 2 distinct

Radiusdisputed

3 values • 2 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitystable

1 values • 1 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
35440.420.420.80-1.60M360.94Lacedelli et al. 2026TICv8
34650.410.42—-1.64—60.94TICv8TICv8
3439—0.42———60.94ExoFOPTICv8