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Stellar HostProfile

HD 20794

G8 V • 6.00 pc

Records

24

literature rows

Planets

4

system count

References

20

distinct source labels

HD: HD 20794HIP: HIP 15510TIC: TIC 301051051

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

5401 K

5368 to 5751

10 values • 8 distinct

Mass

0.80 Msun

0.70 to 0.94

8 values • 8 distinct

Radius

0.92 Rsun

0.83 to 0.93

5 values • 4 distinct

Age

12.08 Gyr

5.76 to 13.50

3 values • 3 distinct

Luminosity

-0.16 log(Lsun)

-0.18 to -0.16

5 values • 5 distinct

Distance

6.00 pc

single adopted value

24 values • 1 distinct

Spectral Type

G8 V

Multiple classifications reported

G8 V (2), G5 (1), G6 V (1), G8 (1), G8 III (1), G8.0V (1)

Planets

4

Stable across source rows

4

System Layout

Known planets

4 planets linked to this host

HD 20794 f

Radial Velocity

Discovery

2025

Period

647.6 days

Radius

Mass

5.82 M⊕

Eq. Temp

HD 20794 e

Radial Velocity

Discovery

2017

Period

147.0 days

Radius

Mass

4.77 M⊕

Eq. Temp

HD 20794 b

Radial Velocity

Discovery

2011

Period

18.31 days

Radius

Mass

2.15 M⊕

Eq. Temp

HD 20794 d

Radial Velocity

Discovery

2011

Period

90.31 days

Radius

Mass

4.80 M⊕

Eq. Temp

388 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

24

Stellar refs

19

System refs

1

Distancestable

24 values • 1 distinct

Parallaxstable

24 values • 1 distinct

Temperaturedisputed

10 values • 8 distinct

Massdisputed

8 values • 8 distinct

Radiusdisputed

5 values • 4 distinct

Agedisputed

3 values • 3 distinct

Luminositydisputed

5 values • 5 distinct

Surface Gravitydisputed

9 values • 8 distinct

Metallicitydisputed

8 values • 6 distinct

Spectral Typedisputed

7 values • 6 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
54440.726.00Santos et al. 2004TICv8
5413.30.940.92-0.186.00TICv8TICv8
54010.850.9213.50-0.16G8.0V6.00Turnbull 2015TICv8
0.840.9212.086.00Takeda et al. 2007TICv8
G8 III6.00Michigan Catalog, Vol. 2TICv8
6.00Valenti & Fischer 2005TICv8
G8 V6.00Gray et al. 2006TICv8
54010.70-0.186.00Sousa et al. 2008TICv8
53876.00Maldonado et al. 2015TICv8
6.00Henry et al. 1996TICv8
0.81G86.00Feng et al. 2017TICv8
57510.83-0.166.00Gaia DR2TICv8
53986.00Suárez-Andrés et al. 2016TICv8
6.00Henry et al. 1996TICv8
54010.705.76G8 V6.00Pepe et al. 2011TICv8
6.00Henry et al. 1996TICv8
6.00Reiners & Schmitt 2003aTICv8
6.00Henry et al. 1996TICv8
53680.790.93-0.16G6 V6.00Nari et al. 2025TICv8
54326.00Harada et al. 2025TICv8
6.00Nordstrom et al. 2004TICv8
6.00Henry et al. 1996TICv8
G56.00Cannon & Pickering 1918TICv8
6.00Henry et al. 1996TICv8