Sabik
HIP 84012; Eta Oph; 35 Oph
HIP 84012; Eta Oph; 35 Oph
DoubleStar
Oph
Visible
Level 5
Expert level - Requires steady seeing
Physical Properties
Magnitude
2.43
Spectral Type
A2IV-V
Star Color
White
(B-V 0.06)
Distance
88.3 ly
Position & Identifiers
RA
17h 10m 22.7s
Dec
-15° 43' 29.0"
Constellation
Oph
HR
6378
HIP
84012
Bayer
Eta
Flamsteed
35 Oph
Double Cat
10374
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
0.3″
Companion Mag
3.3
Companion Sp
A1IV
Position Angle
222°
Star Colors
A: White
B: White
Discoverer
BU 1118
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 0.3″ · PA: 222° · N up, E left
Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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Stellar Lifecycle
Spectral Classification
Hertzsprung-Russell Diagram
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Blackbody Spectrum
Stellar Absorption Spectrum
Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.
Stellar Notes
AB 3.0 A2V, 3.5 A3V, 88y, a = 0.86". Combined mag., colors.
0.022".
Sabik.
Survey Image
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