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Stellar Catalog
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HD 190412
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Star HD 190412

Multiple star system HD 190412 is located 111 light years away from the Sun. It is a system with 4 stars. For now, there are no known exoplanets in this star system.
Sun distance
111 light years

HD 190412 A

Spectral class: G6/8V

Location

Ascension iconRight ascension: 20h 4m 46.612s
Declination iconDeclination: 1° 9' 21.283'' (equatorial region)
Parallax iconParallax: 29.34
Distance iconSun distance: 111.163 ly | 34.1 pc

Basic characteristic

icon weight
Mass: 98 % M Sun | 1027 M Jupiter
radius icon
Size: 90 % R Sun | 9.3 R Jupiter (estimate)
temperature iconTemperature: 5630 K | 0.97 T Sun
time iconAge: 5.6 billions years | 1.22 Sun

Photometry

Magnitude iconApparent magnitude (V): 7.7
Magnitude iconAbsolute magnitude (V): 5
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).

HD 190412 Ab

Basic characteristic

icon weight
Mass: 45 % M Sun | 471 M Jupiter
temperature iconTemperature: 3900 K | 0.67 T Sun

HD 190412 B

Basic characteristic

icon weight
Mass: 61 % M Sun | 639 M Jupiter
temperature iconTemperature: 4130 K | 0.71 T Sun

HD 190412 C

Spectral class: DA

Basic characteristic

icon weight
Mass: 81.7 % M Sun | 856 M Jupiter
radius icon
Size: 0 % R Sun | 0.2 R Jupiter (estimate)
temperature iconTemperature: 6600 K | 1.14 T 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).

HD 190412 system structure

Stars A and B form a pair, which is orbited by the more distant star C.
HD 190412 A
HD 190412 Ab
HD 190412 B
HD 190412 C
More about HD 190412
       HD 190412 can be found in northern celestial hemisphere, you cannot see it with naked eye, but you can observe this star with basic telescope. The star is easily observable from Northern America, Europe and Asia. 
Other designations of this star
SDSS J200445.49+010929.0, UCAC4 456-107541, Gaia DR3 4237555510387302400
External sources
icon study
A Crystallizing White Dwarf in a Sirius-Like Quadruple System
Scientific study, Accepted: 05. 06. 2023
simbad icon
Simbad database (UCAC4 456-107541)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 4237555506083389568)
Archive from the Gaia mission
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