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Stellar HostProfile

GJ 9827

K6 V • 29.66 pc

Records

13

literature rows

Planets

3

system count

References

14

distinct source labels

HIP: HIP 115752TIC: TIC 301289516

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

4245.5 K

4173.5 to 4340

12 values • 9 distinct

Mass

0.62 Msun

0.59 to 0.66

10 values • 7 distinct

Radius

0.61 Rsun

0.58 to 0.65

12 values • 10 distinct

Age

7.73 Gyr

5.46 to 10

4 values • 2 distinct

Luminosity

-0.95 log(Lsun)

-1.00 to -0.94

3 values • 3 distinct

Distance

29.66 pc

single adopted value

13 values • 1 distinct

Spectral Type

K6 V

Multiple classifications reported

K6 V (2), K7 V (2), K5 (1), K5 V (1)

Planets

3

Stable across source rows

3

System Layout

Known planets

3 planets linked to this host

GJ 9827 b

Transit

Discovery

2017

Period

1.21 days

Radius

1.44 R⊕

Mass

4.28 M⊕

Eq. Temp

1035.0 K

GJ 9827 c

Transit

Discovery

2017

Period

3.65 days

Radius

1.24 R⊕

Mass

0.84 M⊕

Eq. Temp

GJ 9827 d

Transit

Discovery

2017

Period

6.20 days

Radius

1.89 R⊕

Mass

3.02 M⊕

Eq. Temp

599.7 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

13

Stellar refs

13

System refs

1

Distancestable

13 values • 1 distinct

Parallaxstable

13 values • 1 distinct

Temperaturedisputed

12 values • 9 distinct

Massdisputed

10 values • 7 distinct

Radiusdisputed

12 values • 10 distinct

Agedisputed

4 values • 2 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

10 values • 7 distinct

Metallicitydisputed

9 values • 4 distinct

Spectral Typedisputed

6 values • 4 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
42940.590.5829.66Howard et al. 2025TICv8
42690.610.61K5 V29.66Rodriguez et al. 2018TICv8
42360.620.585.46K7 V29.66Passegger et al. 2024TICv8
42550.610.6029.66Dai et al. 2019TICv8
4173.50.65-0.9429.66Gaia DR2TICv8
42550.660.65K6 V29.66Niraula et al. 2017TICv8
43400.610.601029.66Rice et al. 2019TICv8
43050.610.601029.66Bonomo et al. 2023TICv8
K529.66Hawley et al. 1996TICv8
41990.6329.66ExoFOPTICv8
42360.620.585.46-1.00K7 V29.66Piaulet-Ghorayeb et al. 2024TICv8
42190.640.62K6 V29.66Prieto-Arranz et al. 2018TICv8
41990.660.63-0.9529.66TICv8TICv8