61 Oph
HIP 86831; 61 Oph
DoubleStar
Oph
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
6.17
Spectral Type
A1IV-V
Star Color
White
(B-V 0.07)
Position & Identifiers
RA
17h 44m 34.0s
Dec
+02° 34' 46.0"
Constellation
Oph
HR
6609
HIP
86831
Flamsteed
61 Oph
Double Cat
10750
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Visibility
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Multiple Star System
Components
3
Component IDs
AB
Separation
20.6″
Companion Mag
6.5
Position Angle
93°
Star Colors
A: White
B: White
Discoverer
STF2202
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 20.6″ · PA: 93° · N up, E left
Resolved · 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
CPM with HR 6610. Combined colors. Mag. for blend 5.59V.
Survey Image
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