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Stellar HostProfile

HD 20003

G8 V • 41.83 pc

Records

7

literature rows

Planets

2

system count

References

8

distinct source labels

HD: HD 20003HIP: HIP 14530TIC: TIC 370137704

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

5494 K

5488.5 to 5510

4 values • 3 distinct

Mass

0.88 Msun

0.88 to 0.96

3 values • 2 distinct

Radius

0.93 Rsun

0.92 to 0.93

2 values • 2 distinct

Luminosity

-0.15 log(Lsun)

-0.15 to -0.14

4 values • 4 distinct

Distance

41.83 pc

single adopted value

7 values • 1 distinct

Spectral Type

G8 V

Multiple classifications reported

G8 V (2), G5 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 20003 b

Radial Velocity

Discovery

2019

Period

11.85 days

Radius

Mass

11.66 M⊕

Eq. Temp

HD 20003 c

Radial Velocity

Discovery

2019

Period

33.92 days

Radius

Mass

14.44 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

7

Stellar refs

7

System refs

1

Distancestable

7 values • 1 distinct

Parallaxstable

7 values • 1 distinct

Temperaturedisputed

4 values • 3 distinct

Massdisputed

3 values • 2 distinct

Radiusdisputed

2 values • 2 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

3 values • 2 distinct

Metallicitydisputed

3 values • 2 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
41.83Nordstrom et al. 2004TICv8
G8 V41.83Michigan Catalog, Vol. 1TICv8
55100.92-0.1541.83Gaia DR2TICv8
54940.88-0.14G8 V41.83Udry et al. 2019TICv8
5488.50.960.93-0.1541.83TICv8TICv8
G541.83Cannon & Pickering 1918TICv8
54940.88-0.1441.83Sousa et al. 2008TICv8