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Stellar HostProfile

WASP-2

K1 • 153.2 pc

Records

17

literature rows

Planets

1

system count

References

18

distinct source labels

TIC: TIC 374530847

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

5150 K

4994.2 to 5227

15 values • 9 distinct

Mass

0.84 Msun

0.79 to 0.90

14 values • 10 distinct

Radius

0.84 Rsun

0.64 to 1.06

15 values • 12 distinct

Age

7.60 Gyr

1 to 11.90

6 values • 5 distinct

Luminosity

-0.34 log(Lsun)

-0.56 to -0.31

5 values • 5 distinct

Distance

153.2 pc

single adopted value

17 values • 1 distinct

Spectral Type

K1

Multiple classifications reported

K1 (1), K1 V (1)

Planets

1

Stable across source rows

1

System Layout

Known planets

1 planets linked to this host

WASP-2 b

Transit

Discovery

2007

Period

2.15 days

Radius

12.01 R⊕

Mass

290.8 M⊕

Eq. Temp

1304 K

Provenance

Underlying measurements and references

Evidence Summary

Rows

17

Stellar refs

17

System refs

1

Distancestable

17 values • 1 distinct

Parallaxstable

17 values • 1 distinct

Temperaturedisputed

15 values • 9 distinct

Massdisputed

14 values • 10 distinct

Radiusdisputed

15 values • 12 distinct

Agedisputed

6 values • 5 distinct

Luminositydisputed

5 values • 5 distinct

Surface Gravitydisputed

12 values • 9 distinct

Metallicitydisputed

12 values • 7 distinct

Spectral Typedisputed

2 values • 2 distinct

ST TEFFST MASSST RADST AGEST LUMST SPECTYPESY DISTStellar RefSystem Ref
51500.840.82K1153.2Triaud et al. 2010TICv8
5105153.2Tsantaki et al. 2014TICv8
51700.850.828.20153.2Southworth 2012TICv8
52000.890.845.60-0.33153.2Torres et al. 2008TICv8
52000.890.847153.2Bonomo et al. 2017TICv8
0.790.81153.2Charbonneau et al. 2007TICv8
52000.790.78K1 V153.2Collier Cameron et al. 2007TICv8
51470.870.85-0.34153.2TICv8TICv8
51500.800.8111.90153.2Southworth et al. 2010TICv8
51500.800.8111.90153.2Southworth 2010TICv8
52000.890.84153.2Daemgen et al. 2009TICv8
51800.900.87-0.31153.2Addison et al. 2019TICv8
51470.85153.2ExoFOPTICv8
4994.20.91-0.34153.2Gaia DR2TICv8
52270.800.641-0.56153.2Ghezzi et al. 2010TICv8
51090.831.06153.2Mortier et al. 2013TICv8
0.85153.2Knutson et al. 2014TICv8