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Stellar Catalog
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WASP-77
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Star WASP-77

Binary star WASP-77 is located 344 light years away from the Sun. It consists of a yellow star and a orange star. There is at least one exoplanet in this system.
Sun distance
344 light years
galaxy map

WASP-77 A

Yellow star
Spectral class: G8 D

Location

Ascension iconRight ascension: 2h 28m 37.234s
Declination iconDeclination: -7° 3' 38.379'' (equatorial region)
Parallax iconParallax: 9.482
Distance iconSun distance: 343.981 ly | 105.5 pc

Basic characteristic

icon weight
Mass: 90.3 % M Sun | 946 M Jupiter
radius icon
Size: 91 % R Sun | 9.1 R Jupiter
temperature iconTemperature: 5617 K | 0.97 T Sun
time iconAge: 5 billions years | 1.09 Sun
luminosity iconLuminosity: 0.743 L Sun

Photometry

Magnitude iconApparent magnitude (V): 10.3
Magnitude iconAbsolute magnitude (V): 5.2
5
10
15
20
25
30
35
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
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

WASP-77 B

Orange star
Spectral class: K5 D

Basic characteristic

icon weight
Mass: 71 % M Sun | 744 M Jupiter
radius icon
Size: 69 % R Sun | 6.9 R Jupiter
temperature iconTemperature: 5570 K | 0.96 T Sun
time iconAge: 9 billions years | 1.96 Sun

Photometry

5
10
15
20
25
30
35
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
Absolute stellar magnitude in different parts of the electromagnetic spectrum from infrared (K band) to ultraviolet (U band).

WASP-77 system structure

WASP-77 A
 WASP-77 B b 0.02 AU 530 M⊕ 13.8 R⊕ 1.4 days
WASP-77 B
More about WASP-77
       WASP-77 can be found in southern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is also observable from Northern America, Europe and Asia.
Other designations of this star
TIC 632613066, BD-07 436B, SDSS J022837.37-070341.4, BD-07 436A, A 447A, SDSS J022837.27-070338.3, TOI-398, TYC 4697-201-1, WDS J02286-0704A, 2MASS J02283722-0703384
External sources
icon study
The Wanderer: Charting WASP-77A b's Formation and Migration Using a System-Wide Inventory of Carbon and Oxygen Abundances
Scientific study, Accepted: 03. 09. 2024
icon study
A Comprehensive Analysis Spitzer 4.5 µm Phase Curve of Hot Jupiters
Scientific study, Accepted: 23. 08. 2024
icon study
Enhancing Exoplanet Ephemerides by Leveraging Professional and Citizen Science Data: A Test Case with WASP-77A b
Scientific study, Accepted: 29. 05. 2024
icon study
Stellar obliquity measurements of six gas giants
Scientific study, Accepted: 22. 03. 2024
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