★ Star Gliese 777 | Nearby stars catalogue

Binary star Gliese 777 is located 52.2 light years away from the Sun. It is a system with 2 stars. There are multiple known exoplanets in this system.

Gliese 777 A

Yellow star (spectral class G7IV-V C)

Mass: 0.82 M Sun

Size: 1.061 R Sun

Temperature: 5672 K | 0.98 T Sun

Age: 6.7 billions years | 1.46 Sun

Luminosity: 1.127 L Sun

2 exoplanets:

Gliese 777 A c	19.1 M⊕	0.13 AU	17.1 days
Gliese 777 A b	495.9 M⊕	4.01 AU	2915 days

Photometry

K
2.1

H
1.6

J
1.2

Grp
0.8

I
0.8

G
0.6

V
0.5

Gbp
0.5

B
0.4

U
0.3

Gliese 777 B

Red dwarf (spectral class M4.5V)

Mass: 0.18 M Sun (estimate)

Size: 0.21 R Sun (estimate)

Temperature: 3146 K | 0.54 T Sun

(No known exoplanets yet)

Photometry

K
2.1

H
1.6

J
1.2

Grp
0.8

I
0.8

G
0.6

V
0.5

Gbp
0.5

B
0.4

U
0.3

More about Gliese 777

      Nearby star Gliese 777 can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is observable also from Northern America, Europe and Asia.

Other designations of this star
LHS 3509, G 186-9, LFT 1514, LTT 15865, NLTT 48646, TIC 239481097, WISEA J200327.13+295153.9, BD+29°3872, GJ 777, HD 190360, HIC 98767, HIP 98767, HR 7670, LHS 3510, GJ 9683, Gliese 9683, 2MASS J20033732+2953493, TIC 105999792, TYC 2153-2883-1, WISEA J200337.97+295343.4, Gaia EDR3 2029433521248546304

External sources

Sources

Simbad database (G 125-55 )

Gaia database (Gaia EDR3 2029432043779954432)

Closest stars

Distance (Light Years)		Mass (Solar mass)


5.7	Gaia EDR3 2031272798024664960	0 M_☉

6	HD 190404	0 M_☉

7.6	2MASS J1955+3215	0 M_☉

7.6	HD 331161	0 M_☉ 0 M_☉

7.8	UCAC4 563-099325	0 M_☉

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