Stellar HostProfile

LTT 9779

G7 V • 80.44 pc

Records

literature rows

Planets

system count

References

distinct source labels

HIP: HIP 117883TIC: TIC 183985250

Approximate color

from effective temperature

Stellar source: Jenkins et al. 2020 • System source: TICv8

Temperature

5443 K

5339 to 5480

5 values • 5 distinct

Mass

1.02 Msun

0.93 to 1.02

3 values • 2 distinct

Radius

0.95 Rsun

0.95 to 1.00

5 values • 4 distinct

Age

2 Gyr

single adopted value

2 values • 1 distinct

Luminosity

-0.17 log(Lsun)

-0.17 to -0.14

3 values • 3 distinct

Distance

80.44 pc

single adopted value

5 values • 1 distinct

Spectral Type

G7 V

Consistent across records

G7 V (1)

Planets

Stable across source rows

Sun

1.0 R☉ baseline

LTT 9779

0.95 R☉

Discovery

2020

Period

0.79 days

Radius

4.72 R⊕

Mass

29.32 M⊕

Eq. Temp

1978 K

LTT 9779: A Sun-Like Star and Its Jupiter-Like Planet

LTT 9779 is a G7 V star located 262 light-years away. This Sun-like dwarf has an age of 2 billion years, a mass of 1.02 solar masses, a radius of 0.949 solar radii, and a temperature of 5440 K. Its radius is smaller than the Sun's, and its temperature is cooler than the Sun's. One planet orbits this host.

LTT 9779 b is a Jupiter-like planet discovered by transit in 2020. It has a mass of 29.3 Earth masses and a radius of 4.72 Earth radii, both larger than Earth's. Its orbital period is 0.792 days. The planet's mean density is 1.54 g/cm³, 0.279 times Earth's.

Evidence Summary

Rows

Stellar refs

System refs

Distancestable

5 values • 1 distinct

Parallaxstable

5 values • 1 distinct

Temperaturedisputed

5 values • 5 distinct

Massdisputed

3 values • 2 distinct

Radiusdisputed

5 values • 4 distinct

Agestable

2 values • 1 distinct

Luminositydisputed

3 values • 3 distinct

Surface Gravitydisputed

4 values • 4 distinct

Metallicitydisputed

2 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
5339	—	1.00	—	-0.14	—	80.44	Gaia DR2	TICv8
5443	1.02	0.95	2	-0.17	G7 V	80.44	Jenkins et al. 2020	TICv8
5422	—	0.98	—	—	—	80.44	ExoFOP	TICv8
5480	1.02	0.95	2	—	—	80.44	Edwards et al. 2023	TICv8
5374	0.93	0.98	—	-0.14	—	80.44	TICv8	TICv8

LTT 9779

Adopted host values from one source row

Radius against the Sun

Known planets

LTT 9779 b

LTT 9779: A Sun-Like Star and Its Jupiter-Like Planet

Underlying measurements and references