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Stellar HostProfile

HD 177830

K0 • 62.77 pc

Records

15

literature rows

Planets

2

system count

References

16

distinct source labels

HD: HD 177830HIP: HIP 93746TIC: TIC 265052133

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

4847.5 K

4744.9 to 5058

9 values • 9 distinct

Mass

1.37 Msun

1.03 to 1.91

7 values • 7 distinct

Radius

3.26 Rsun

2.62 to 3.58

7 values • 6 distinct

Age

3.46 Gyr

3.24 to 4.40

3 values • 3 distinct

Luminosity

0.69 log(Lsun)

0.60 to 0.77

3 values • 3 distinct

Distance

62.77 pc

single adopted value

15 values • 1 distinct

Spectral Type

K0

Consistent across records

K0 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 177830 b

Radial Velocity

Discovery

1999

Period

410.1 days

Radius

Mass

537.1 M⊕

Eq. Temp

HD 177830 c

Radial Velocity

Discovery

2010

Period

111.2 days

Radius

Mass

33.05 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

15

Stellar refs

15

System refs

1

Distancestable

15 values • 1 distinct

Parallaxstable

15 values • 1 distinct

Temperaturedisputed

9 values • 9 distinct

Massdisputed

7 values • 7 distinct

Radiusdisputed

7 values • 6 distinct

Agedisputed

3 values • 3 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

8 values • 8 distinct

Metallicitydisputed

8 values • 8 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
62.77Nidever et al. 2002TICv8
49011.703.2662.77Stassun et al. 2017TICv8
1.912.623.2462.77Takeda et al. 2007TICv8
62.77Duncan et al. 1991TICv8
49491.472.624.400.6962.77Meschiari et al. 2011TICv8
K062.77Cannon & Pickering 1918TICv8
48401.0362.77Santos et al. 2003TICv8
4923.83.3162.77TICv8TICv8
480462.77Santos et al. 2004TICv8
62.77Valenti & Fischer 2005TICv8
4744.91.323.5862.77Rosenthal et al. 2021TICv8
4847.53.450.7762.77Gaia DR2TICv8
47521.1762.77Mortier et al. 2013TICv8
50581.372.813.460.6062.77Jofré et al. 2015TICv8
62.77Wright et al. 2004TICv8