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Stellar HostProfile

HD 195019

G3 IV-V • 37.67 pc

Records

16

literature rows

Planets

1

system count

References

17

distinct source labels

HIP: HIP 100970TIC: TIC 210171104HD: HD 195019

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

5759.6 K

5600 to 5842

10 values • 9 distinct

Mass

1.06 Msun

0.98 to 1.21

10 values • 8 distinct

Radius

1.48 Rsun

1.38 to 1.56

6 values • 5 distinct

Age

8.50 Gyr

3.20 to 9.32

3 values • 3 distinct

Luminosity

0.33 log(Lsun)

0.33 to 0.33

3 values • 3 distinct

Distance

37.67 pc

single adopted value

16 values • 1 distinct

Spectral Type

G3 IV-V

Multiple classifications reported

G3 IV-V (1), G3 V/IV (1), G5 (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

HD 195019 b

Radial Velocity

Discovery

1998

Period

18.20 days

Radius

Mass

1102.8 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

16

Stellar refs

16

System refs

1

Distancestable

16 values • 1 distinct

Parallaxstable

16 values • 1 distinct

Temperaturedisputed

10 values • 9 distinct

Massdisputed

10 values • 8 distinct

Radiusdisputed

6 values • 5 distinct

Agedisputed

3 values • 3 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

8 values • 7 distinct

Metallicitydisputed

9 values • 6 distinct

Spectral Typedisputed

3 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
58401.0637.67Santos et al. 2003TICv8
56000.983.20G3 V/IV37.67Fischer et al. 1999TICv8
57501.031.480.3337.67TICv8TICv8
57411.051.488.500.3337.67Ghezzi et al. 2010TICv8
1.021.389.3237.67Takeda et al. 2007TICv8
57881.0737.67Butler et al. 2006TICv8
5768.21.470.3337.67Gaia DR2TICv8
37.67Nidever et al. 2002TICv8
37.67Wright et al. 2004TICv8
37.67Valenti & Fischer 2005TICv8
58421.0637.67Santos et al. 2004TICv8
G537.67Cannon & Pickering 1918TICv8
37.67Nordstrom et al. 2004TICv8
5746.61.051.5637.67Rosenthal et al. 2021TICv8
58421.06G3 IV-V37.67Wittenmyer et al. 2007TICv8
57511.211.4837.67Stassun et al. 2017TICv8