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Stellar HostProfile

GJ 581

M3 V • 6.30 pc

Records

12

literature rows

Planets

3

system count

References

13

distinct source labels

TIC: TIC 36853511HIP: HIP 74995

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

3490.4 K

3375 to 3660.3

5 values • 5 distinct

Mass

0.31 Msun

0.29 to 0.33

6 values • 5 distinct

Radius

0.31 Rsun

0.29 to 0.34

6 values • 5 distinct

Age

3.15 Gyr

2 to 4.30

2 values • 2 distinct

Luminosity

-1.89 log(Lsun)

-2 to -1.89

5 values • 5 distinct

Distance

6.30 pc

single adopted value

12 values • 1 distinct

Spectral Type

M3 V

Multiple classifications reported

M3 V (2), M2.5 V (1), M3 (1), M3.0 V (1), M3.0V (1)

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

GJ 581 c

Radial Velocity

Discovery

2007

Period

12.92 days

Radius

Mass

5.65 M⊕

Eq. Temp

GJ 581 e

Radial Velocity

Discovery

2009

Period

3.15 days

Radius

Mass

1.66 M⊕

Eq. Temp

GJ 581 b

Radial Velocity

Discovery

2005

Period

5.37 days

Radius

Mass

15.60 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

12

Stellar refs

12

System refs

1

Distancestable

12 values • 1 distinct

Parallaxstable

12 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

6 values • 5 distinct

Radiusdisputed

6 values • 5 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

5 values • 5 distinct

Surface Gravitydisputed

3 values • 3 distinct

Metallicitydisputed

3 values • 3 distinct

Spectral Typedisputed

6 values • 5 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
33750.330.34-2M3.0V6.30Turnbull 2015TICv8
0.310.292-1.89M3 V6.30Bonfils et al. 2005TICv8
3490.40.320.326.30Rosenthal et al. 2021TICv8
6.30Nidever et al. 2002TICv8
0.310.294.30-1.89M3 V6.30Vogt et al. 2010TICv8
M2.5 V6.30Henry et al. 1994TICv8
3660.36.30Gaia DR2TICv8
6.30Mayor et al. 2009TICv8
33960.310.33-1.896.30TICv8TICv8
6.30Wright et al. 2004TICv8
M36.30Hawley et al. 1996TICv8
35000.290.30-1.91M3.0 V6.30von Stauffenberg et al. 2024TICv8