Stellar HostProfile

HAT-P-9

Unclassified star • 455.2 pc

Records

literature rows

Planets

system count

References

distinct source labels

TIC: TIC 371234684

Approximate color

from effective temperature

Stellar source: Southworth 2012 • System source: TICv8

Temperature

6350 K

6193 to 6350

8 values • 3 distinct

Mass

1.28 Msun

1.19 to 1.28

6 values • 3 distinct

Radius

1.34 Rsun

1.21 to 1.34

7 values • 6 distinct

Age

1.60 Gyr

single adopted value

2 values • 1 distinct

Distance

455.2 pc

single adopted value

9 values • 1 distinct

Planets

Stable across source rows

Sun

1.0 R☉ baseline

HAT-P-9

1.34 R☉

Discovery

2008

Period

3.92 days

Radius

15.61 R⊕

Mass

238.1 M⊕

Eq. Temp

1540 K

HAT-P-9 and Its Jupiter-Like Planet

HAT-P-9 is an F7 host star 1480 light-years away, with an age of 1.6 billion years and a temperature of 6350 K, hotter than the Sun. Its mass is 1.28 solar masses and its radius is 1.34 solar radii, both larger than the Sun's. One planet is known to orbit this star.

That planet is HAT-P-9 b, discovered by the transit method in 2008. It is a Jupiter-like planet, a class defined by a radius more than 4 times Earth's, and its radius of 15.6 Earth radii is larger than Earth's. Its mass is 238 Earth masses, larger than Earth's, and its mean density of 0.345 g/cm³ is 0.0625 times Earth's. HAT-P-9 b orbits its star every 3.92 days, and its radius estimate is larger than Earth's.

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

9 values • 1 distinct

Parallaxstable

9 values • 1 distinct

Temperaturedisputed

8 values • 3 distinct

Massdisputed

6 values • 3 distinct

Radiusdisputed

7 values • 6 distinct

Agestable

2 values • 1 distinct

Luminositydisputed

4 values • 4 distinct

Surface Gravitydisputed

4 values • 2 distinct

Metallicitydisputed

4 values • 2 distinct

Spectral Typestable

1 values • 1 distinct

ST TEFF	ST MASS	ST RAD	ST AGE	ST LUM	ST SPECTYPE	SY DIST	Stellar Ref	System Ref
6193	—	1.30	—	—	—	455.2	ExoFOP	TICv8
—	—	—	—	—	F7	455.2	Luo et al. 2018	TICv8
6193	1.19	1.30	—	0.35	—	455.2	TICv8	TICv8
6350	1.28	1.34	—	0.42	—	455.2	Wang et al. 2019	TICv8
6350	1.28	—	—	—	—	455.2	Moutou et al. 2011	TICv8
6350	1.28	1.32	1.60	—	—	455.2	Bonomo et al. 2017	TICv8
6340.5	—	1.21	—	0.33	—	455.2	Gaia DR2	TICv8
6350	1.28	1.32	—	0.41	—	455.2	Shporer et al. 2009	TICv8
6350	1.28	1.34	1.60	—	—	455.2	Southworth 2012	TICv8

HAT-P-9

Adopted host values from one source row

Radius against the Sun

Known planets

HAT-P-9 b

HAT-P-9 and Its Jupiter-Like Planet

Underlying measurements and references