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Stellar HostProfile

K2-3

M0 V • 44.07 pc

Records

20

literature rows

Planets

3

system count

References

19

distinct source labels

TIC: TIC 173103335

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

3896 K

3835 to 4126.7

14 values • 8 distinct

Mass

0.60 Msun

0.41 to 0.62

12 values • 8 distinct

Radius

0.56 Rsun

0.37 to 0.60

18 values • 9 distinct

Age

1 Gyr

1 to 6.90

5 values • 2 distinct

Luminosity

-1.19 log(Lsun)

-1.23 to -1.15

3 values • 3 distinct

Distance

44.07 pc

single adopted value

20 values • 1 distinct

Spectral Type

M0 V

Multiple classifications reported

M0 V (2), M V (1), M0.0 V (1), M0.0±0.5 V (1)

Planets

3

Stable across source rows

3

Scale Comparison

Radius against the Sun

Current adopted radius: 0.56 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

K2-3

0.56 R☉

System Layout

Known planets

3 planets linked to this host

K2-3 b

Transit

Discovery

2015

Period

10.05 days

Radius

1.44 R⊕

Mass

Eq. Temp

K2-3 c

Transit

Discovery

2015

Period

24.65 days

Radius

1.64 R⊕

Mass

2.10 M⊕

Eq. Temp

K2-3 d

Transit

Discovery

2015

Period

44.56 days

Radius

0.96 R⊕

Mass

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

20

Stellar refs

18

System refs

1

Distancestable

20 values • 1 distinct

Parallaxstable

20 values • 1 distinct

Temperaturedisputed

14 values • 8 distinct

Massdisputed

12 values • 8 distinct

Radiusdisputed

18 values • 9 distinct

Agedisputed

5 values • 2 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

10 values • 6 distinct

Metallicitydisputed

9 values • 4 distinct

Spectral Typedisputed

5 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
38960.600.5644.07Dai et al. 2016TICv8
0.3744.07Kruse et al. 2019TICv8
38960.600.561M0.0±0.5 V44.07Kosiarek et al. 2019TICv8
39200.5544.07ExoFOPTICv8
0.3744.07Kruse et al. 2019TICv8
38960.600.561M0.0 V44.07Crossfield et al. 2015TICv8
0.56M0 V44.07Beichman et al. 2016TICv8
39510.530.5244.07Montet et al. 2015TICv8
38350.620.60144.07Bonomo et al. 2023TICv8
39270.5844.07Vanderburg et al. 2016TICv8
38350.620.601-1.1544.07Damasso et al. 2018TICv8
44.07Barros et al. 2016TICv8
38960.600.56M0 V44.07Sinukoff et al. 2016TICv8
4126.744.07Gaia DR2TICv8
38410.410.3744.07Crossfield et al. 2016TICv8
38440.550.556.90-1.23M V44.07Diamond-Lowe et al. 2022TICv8
38960.600.5644.07Howard et al. 2025TICv8
0.3744.07Kruse et al. 2019TICv8
39200.550.55-1.1944.07TICv8TICv8
0.610.5544.07Almenara et al. 2015TICv8