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Stellar HostProfile

YZ Cet

M4.5 • 3.71 pc

Records

6

literature rows

Planets

3

system count

References

7

distinct source labels

HIP: HIP 5643TIC: TIC 439403362

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

3082 K

3056 to 3151

3 values • 3 distinct

Mass

0.14 Msun

0.13 to 0.22

4 values • 3 distinct

Radius

0.17 Rsun

0.16 to 0.18

4 values • 4 distinct

Age

4.40 Gyr

3.80 to 5

2 values • 2 distinct

Luminosity

-2.66 log(Lsun)

single adopted value

1 values • 1 distinct

Distance

3.71 pc

single adopted value

6 values • 1 distinct

Spectral Type

M4.5

Multiple classifications reported

M4.5 (2), M4 V (1), M4.0V (1), M4.5 V (1)

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

YZ Cet b

Radial Velocity

Discovery

2017

Period

1.97 days

Radius

Mass

0.75 M⊕

Eq. Temp

YZ Cet d

Radial Velocity

Discovery

2017

Period

4.66 days

Radius

Mass

1.14 M⊕

Eq. Temp

YZ Cet c

Radial Velocity

Discovery

2017

Period

0.75 days

Radius

Mass

0.58 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

6

Stellar refs

6

System refs

1

Distancestable

6 values • 1 distinct

Parallaxstable

6 values • 1 distinct

Temperaturedisputed

3 values • 3 distinct

Massdisputed

4 values • 3 distinct

Radiusdisputed

4 values • 4 distinct

Agedisputed

2 values • 2 distinct

Luminositystable

1 values • 1 distinct

Surface Gravitystable

1 values • 1 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typedisputed

5 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
31510.140.163.80-2.66M4.5 V3.71Stock et al. 2020TICv8
30820.220.18M4.0V3.71Turnbull 2015TICv8
30560.130.175M4.53.71Astudillo-Defru et al. 2017TICv8
3.71Nidever et al. 2002TICv8
0.130.17M4 V3.71Robertson 2018TICv8
M4.53.71Hawley et al. 1996TICv8