Back to Stellar Hosts
Stellar HostProfile

HD 189733

G5 • 19.76 pc

Records

25

literature rows

Planets

1

system count

References

26

distinct source labels

HD: HD 189733TIC: TIC 256364928HIP: HIP 98505

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

5040 K

4875 to 5201

15 values • 10 distinct

Mass

0.82 Msun

0.76 to 0.85

14 values • 10 distinct

Radius

0.77 Rsun

0.68 to 0.81

16 values • 13 distinct

Age

1.49 Gyr

1 to 6.80

6 values • 5 distinct

Luminosity

-0.47 log(Lsun)

-0.52 to -0.46

7 values • 7 distinct

Distance

19.76 pc

single adopted value

25 values • 1 distinct

Spectral Type

G5

Multiple classifications reported

G5 (2), K2 V (2), K0-2 V (1)

Planets

1

Stable across source rows

1

Scale Comparison

Radius against the Sun

Current adopted radius: 0.77 R☉ • circles scaled linearly by radius

Sun

1.0 R☉ baseline

HD 189733

0.77 R☉

System Layout

Known planets

1 planets linked to this host

HD 189733 b

Radial Velocity

Discovery

2005

Period

2.22 days

Radius

12.76 R⊕

Mass

363.6 M⊕

Eq. Temp

1201 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

25

Stellar refs

25

System refs

1

Distancestable

25 values • 1 distinct

Parallaxstable

25 values • 1 distinct

Temperaturedisputed

15 values • 10 distinct

Massdisputed

14 values • 10 distinct

Radiusdisputed

16 values • 13 distinct

Agedisputed

6 values • 5 distinct

Luminositydisputed

7 values • 7 distinct

Surface Gravitydisputed

13 values • 10 distinct

Metallicitydisputed

12 values • 6 distinct

Spectral Typedisputed

5 values • 3 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
48750.850.81-0.4819.76Boyajian et al. 2015TICv8
0.7719.76Di Gloria et al. 2015TICv8
19.76Nordstrom et al. 2004TICv8
0.84K2 V19.76Paredes et al. 2021TICv8
50230.7819.76ExoFOPTICv8
5012.50.830.7819.76Rosenthal et al. 2021TICv8
51090.790.7019.76Mortier et al. 2013TICv8
50500.820.7619.76Bouchy et al. 2005TICv8
19.76Agol et al. 2010TICv8
5014.80.78-0.4619.76Gaia DR2TICv8
0.821.5819.76Maxted et al. 2015TICv8
K0-2 V19.76Salz et al. 2015TICv8
50500.810.77-0.4719.76Addison et al. 2019TICv8
50230.840.78-0.4619.76TICv8TICv8
50400.810.766.80-0.4819.76Torres et al. 2008TICv8
19.76Wright et al. 2004TICv8
52010.850.681-0.5219.76Ghezzi et al. 2010TICv8
48750.8119.76Cegla et al. 2016TICv8
50400.810.766.8019.76Bonomo et al. 2017TICv8
1.1519.76Sanz-Forcada et al. 2010TICv8
50500.840.751.4019.76Southworth 2010TICv8
50520.790.7519.76Stassun et al. 2017TICv8
49390.760.80-0.47G519.76Turnbull 2015TICv8
G519.76Cannon & Pickering 1918TICv8
K2 V19.76Gray et al. 2003TICv8