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70 Ophiuchi
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Star 70 Ophiuchi

Binary star 70 Ophiuchi is located 17 light years away from the Sun. It consists of 2 orange star stars. For now, there are no known exoplanets in this star system.
Sun distance
17 light years
galaxy map

70 Ophiuchi A

Orange star, Rotating Variable
Spectral class: K0-V

Location

Ascension iconRight ascension: 18h 5m 27.473s
Declination iconDeclination: 2° 29' 42.807'' (equatorial region)
Parallax iconParallax: 195.567
Distance iconSun distance: 16.677 ly | 5.1 pc

Basic characteristic

icon weight
Mass: 90 % M Sun | 943 M Jupiter
radius icon
Size: 91 % R Sun | 9.1 R Jupiter
temperature iconTemperature: 5419 K | 0.94 T Sun
time iconAge: 1.9 billions years | 0.41 Sun
luminosity iconLuminosity: 0.59 L Sun

Photometry

Magnitude iconApparent magnitude (V): 4
Magnitude iconAbsolute magnitude (V): 5.5
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).

70 Ophiuchi B

Orange star, High proper motion star
Spectral class: K4 V

Basic characteristic

icon weight
Mass: 70 % M Sun | 733 M Jupiter
radius icon
Size: 70 % R Sun | 6.8 R Jupiter (estimate)
temperature iconTemperature: 4393 K | 0.76 T Sun
luminosity iconLuminosity: 0.13 L Sun

Photometry

Magnitude iconApparent magnitude (V): 6.1
Magnitude iconAbsolute magnitude (V): 7.5
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).

70 Ophiuchi system structure

70 Ophiuchi A
70 Ophiuchi B
More about 70 Ophiuchi
       70 Ophiuchi can be found in northern celestial hemisphere, and it is possible to see it with naked eye. The star is easily observable from Northern America, Europe and Asia.
Other designations of this star
LHS 459, Gliese 702, GJ 702, LHS 458, V2391 Ophiuchi, BD+02 3482, HD 165341, HIP 88601, HR 6752, PLX 4137, 70 Oph, Gaia EDR3 4468557611984384512
External sources
simbad icon
Simbad database (* 70 Oph B)
Astronomical database SIMBAD (the Set of Identifications, Measurements and Bibliography for Astronomical Data)
gaia icon
Gaia database (Gaia EDR3 4468557611977674496)
Archive from the Gaia mission
Closest stars

 Gliese 752
 0.46 M☉ 6.2 ly

WISE 1741+2553
 0 M☉ 7.6 ly

Gaia DR2 4129144660321847040
 - 7.6 ly

Altair
 1.8 M☉ 7.8 ly

Wolf 1061
 0.25 M☉ 7.9 ly
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