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Stellar HostProfile

HD 153557

K0 • 17.94 pc

Records

7

literature rows

Planets

3

system count

References

8

distinct source labels

HD: HD 153557TIC: TIC 115582979HIP: HIP 83020 A

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

4743 K

4649 to 4837

2 values • 2 distinct

Mass

0.79 Msun

0.73 to 0.79

3 values • 2 distinct

Radius

0.79 Rsun

0.75 to 0.84

2 values • 2 distinct

Luminosity

-0.55 log(Lsun)

-0.56 to -0.54

2 values • 2 distinct

Distance

17.94 pc

single adopted value

7 values • 1 distinct

Spectral Type

K0

Multiple classifications reported

K0 (2), K3 V (1)

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

HD 153557 d

Radial Velocity

Discovery

2022

Period

4.07e4 days

Radius

Mass

8725.7 M⊕

Eq. Temp

HD 153557 c

Radial Velocity

Discovery

2022

Period

15.27 days

Radius

Mass

17.48 M⊕

Eq. Temp

HD 153557 b

Radial Velocity

Discovery

2022

Period

7.30 days

Radius

Mass

20.34 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

2 values • 2 distinct

Massdisputed

3 values • 2 distinct

Radiusdisputed

2 values • 2 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

2 values • 2 distinct

Spectral Typedisputed

3 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
17.94Wright et al. 2004TICv8
46490.730.84-0.54K017.94Turnbull 2015TICv8
0.7917.94Feng et al. 2022TICv8
17.94Nordstrom et al. 2004TICv8
48370.790.75-0.5617.94TICv8TICv8
K3 V17.94Gray et al. 2003TICv8
K017.94Cannon & Pickering 1918TICv8