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Stellar HostProfile

Proxima Cen

M5.5 V • 1.30 pc

Records

9

literature rows

Planets

2

system count

References

10

distinct source labels

HIP: HIP 70890TIC: TIC 388857263

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

2975 K

2900 to 3295.5

4 values • 3 distinct

Mass

0.12 Msun

0.12 to 0.16

5 values • 4 distinct

Radius

0.14 Rsun

0.14 to 0.15

5 values • 3 distinct

Luminosity

-2.81 log(Lsun)

-2.82 to -2.80

3 values • 3 distinct

Distance

1.30 pc

single adopted value

9 values • 1 distinct

Spectral Type

M5.5 V

Multiple classifications reported

M5.5 V (4), M5.0V (1), M5.5 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

Proxima Cen d

Radial Velocity

Discovery

2025

Period

5.12 days

Radius

Mass

0.26 M⊕

Eq. Temp

Proxima Cen b

Radial Velocity

Discovery

2016

Period

11.19 days

Radius

Mass

1 M⊕

Eq. Temp

216 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

9

Stellar refs

9

System refs

1

Distancestable

9 values • 1 distinct

Parallaxstable

9 values • 1 distinct

Temperaturedisputed

4 values • 3 distinct

Massdisputed

5 values • 4 distinct

Radiusdisputed

5 values • 3 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitystable

1 values • 1 distinct

Spectral Typedisputed

6 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
0.130.151.30TICv8TICv8
0.151.30Jenkins et al. 2019TICv8
0.16M5.0V1.30Turnbull 2015TICv8
29000.120.14-2.80M5.5 V1.30Faria et al. 2022TICv8
29000.120.14-2.82M5.5 V1.30Suárez Mascareño et al. 2025TICv8
3295.51.30Gaia DR2TICv8
M5.5 V1.30Damasso et al. 2020TICv8
M5.51.30Hawley et al. 1996TICv8
30500.120.14-2.81M5.5 V1.30Anglada-Escudé et al. 2016TICv8