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Stellar HostProfile

iot Dra

K2 III • 31.33 pc

Records

12

literature rows

Planets

2

system count

References

13

distinct source labels

TIC: TIC 165722603HD: HD 137759HIP: HIP 75458

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

4541.0 K

4504 to 4750

8 values • 8 distinct

Mass

1.05 Msun

1.05 to 1.54

5 values • 3 distinct

Radius

12.57 Rsun

11.79 to 12.88

3 values • 3 distinct

Age

2.65 Gyr

single adopted value

1 values • 1 distinct

Luminosity

1.77 log(Lsun)

1.72 to 1.82

2 values • 2 distinct

Distance

31.33 pc

single adopted value

12 values • 1 distinct

Spectral Type

K2 III

Multiple classifications reported

K2 III (3), K0 (1)

Planets

2

Stable across source rows

2

System Layout

Known planets

2 planets linked to this host

iot Dra c

Radial Velocity

Discovery

2022

Period

25000 days

Radius

Mass

4958.1 M⊕

Eq. Temp

iot Dra b

Radial Velocity

Discovery

2002

Period

511.1 days

Radius

Mass

2803.1 M⊕

Eq. Temp

Provenance

Underlying measurements and references

Evidence Summary

Rows

12

Stellar refs

12

System refs

1

Distancestable

12 values • 1 distinct

Parallaxstable

12 values • 1 distinct

Temperaturedisputed

8 values • 8 distinct

Massdisputed

5 values • 3 distinct

Radiusdisputed

3 values • 3 distinct

Agestable

1 values • 1 distinct

Luminositydisputed

2 values • 2 distinct

Surface Gravitydisputed

5 values • 5 distinct

Metallicitydisputed

6 values • 6 distinct

Spectral Typedisputed

4 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
K031.33Cannon & Pickering 1918TICv8
45281.1431.33Mortier et al. 2013TICv8
45301.0531.33Frink et al. 2002TICv8
45481.0531.33Butler et al. 2006TICv8
K2 III31.33Garrison & Beattie 1998TICv8
462831.33Maldonado et al. 2015TICv8
4534.131.33TICv8TICv8
475031.33Santos et al. 2003TICv8
464212.571.8231.33Gaia DR2TICv8
K2 III31.33Gray et al. 2003TICv8
1.0512.8831.33Kane et al. 2010TICv8
45041.5411.792.651.72K2 III31.33Hill et al. 2021TICv8