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Stellar HostProfile

LkCa 15

Unclassified star â€ĸ 158.2 pc

Records

3

literature rows

Planets

2

system count

References

4

distinct source labels

TIC: TIC 118681038

Approximate color

from effective temperature

Canonical Summary

Adopted host values from one source row

Values come from the row with the most populated summary measurements. Missing values stay missing. Ranges and counts describe all source rows.

Stellar source: Swastik et al. 2021 â€ĸ System source: TICv8

Temperature

4589 K

4194 to 4589

3 values â€ĸ 3 distinct

Age

1.00e-3 Gyr

single adopted value

1 values â€ĸ 1 distinct

Distance

158.2 pc

single adopted value

3 values â€ĸ 1 distinct

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

LkCa 15 b

Imaging

◌

Discovery

2015

Period

—

Radius

—

Mass

—

Eq. Temp

—

LkCa 15 c

Imaging

◌

Discovery

2015

Period

—

Radius

—

Mass

—

Eq. Temp

—

LkCa 15 and Its Two Imaged Planets

LkCa 15 is a very young star located 516 light-years from Earth. Its age is 0.001 billion years, and its temperature is 4590 K. The star has one cataloged stellar companion, and two planets are known to orbit it.

Both planets, LkCa 15 b and LkCa 15 c, were discovered by imaging in 2015. No orbital period is reported for LkCa 15 b. No orbital period is reported for LkCa 15 c.

The star's reported temperature is cooler than the Sun's.

Provenance

Underlying measurements and references

Evidence Summary

Rows

3

Stellar refs

3

System refs

1

Distancestable

3 values â€ĸ 1 distinct

Parallaxstable

3 values â€ĸ 1 distinct

Temperaturedisputed

3 values â€ĸ 3 distinct

Radiusdisputed

2 values â€ĸ 2 distinct

Agestable

1 values â€ĸ 1 distinct

Luminositystable

1 values â€ĸ 1 distinct

Surface Gravitystable

1 values â€ĸ 1 distinct

Metallicitystable

1 values â€ĸ 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
4194—1.61———158.2TICv8TICv8
4589——1.00e-3——158.2Swastik et al. 2021TICv8
4201—1.51—-0.19—158.2Gaia DR2TICv8