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Stellar HostProfile

K2-9

M2.5 V • 82.96 pc

Records

7

literature rows

Planets

1

system count

References

8

distinct source labels

TIC: TIC 82050863

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

3646.5 K

3390 to 4052

6 values • 6 distinct

Mass

0.30 Msun

0.24 to 0.52

4 values • 4 distinct

Radius

0.40 Rsun

0.25 to 0.52

6 values • 5 distinct

Age

1 Gyr

single adopted value

1 values • 1 distinct

Luminosity

-1.88 log(Lsun)

-1.92 to -1.84

2 values • 2 distinct

Distance

82.96 pc

single adopted value

7 values • 1 distinct

Spectral Type

M2.5 V

Consistent across records

M2.5 V (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

K2-9 b

Transit

Discovery

2015

Period

18.45 days

Radius

1.60 R⊕

Mass

Eq. Temp

284 K

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

6 values • 6 distinct

Massdisputed

4 values • 4 distinct

Radiusdisputed

6 values • 5 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

2 values • 2 distinct

Metallicitydisputed

2 values • 2 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
40520.520.4782.96Crossfield et al. 2016TICv8
33900.300.311-1.92M2.5 V82.96Schlieder et al. 2016TICv8
37650.5282.96Vanderburg et al. 2016TICv8
34680.240.2582.96Montet et al. 2015TICv8
35280.300.32-1.8482.96TICv8TICv8
3972.782.96Gaia DR2TICv8
0.4782.96Kruse et al. 2019TICv8