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Stellar HostProfile

HIP 56998

K4.5 V (k) • 12.78 pc

Records

12

literature rows

Planets

2

system count

References

11

distinct source labels

TIC: TIC 397362481HIP: HIP 56998HD: HD 101581

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

4633.9 K

4633.9 to 4738

7 values • 4 distinct

Mass

0.67 Msun

0.65 to 0.74

5 values • 5 distinct

Radius

0.63 Rsun

0.63 to 0.65

7 values • 3 distinct

Age

3.76 Gyr

0.64 to 6.88

2 values • 2 distinct

Luminosity

-0.80 log(Lsun)

-0.84 to -0.78

3 values • 3 distinct

Distance

12.78 pc

single adopted value

12 values • 1 distinct

Spectral Type

K4.5 V (k)

Multiple classifications reported

K4.5 V (k) (1), K4/5 V (1), K4/5V (1), K5 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

HD 101581 c

Transit

Discovery

2025

Period

6.20 days

Radius

1.02 R⊕

Mass

Eq. Temp

664.1 K

HD 101581 b

Transit

Discovery

2025

Period

4.47 days

Radius

0.98 R⊕

Mass

Eq. Temp

740.9 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

12

Stellar refs

10

System refs

1

Distancestable

12 values • 1 distinct

Parallaxstable

12 values • 1 distinct

Temperaturedisputed

7 values • 4 distinct

Massdisputed

5 values • 5 distinct

Radiusdisputed

7 values • 3 distinct

Agedisputed

2 values • 2 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

8 values • 4 distinct

Metallicitydisputed

3 values • 3 distinct

Spectral Typedisputed

4 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
0.670.650.6412.78Takeda et al. 2007TICv8
47380.68-0.8412.78Sousa et al. 2008TICv8
4633.90.6312.78ExoFOPTICv8
K4/5 V12.78Michigan Catalog, Vol. 2TICv8
4633.90.740.63-0.7812.78TICv8TICv8
46750.650.636.8812.78Kunimoto et al. 2025TICv8
46500.670.65-0.80K4/5V12.78Turnbull 2015TICv8
K4.5 V (k)12.78Gray et al. 2006TICv8
12.78Nordstrom et al. 2004TICv8
4633.90.6312.78ExoFOPTICv8
4633.90.6312.78ExoFOPTICv8
K512.78Cannon & Pickering 1918TICv8