Phi Oph
HIP 80894; Phi Oph; 8 Oph
DoubleStar
Oph
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
4.28
Spectral Type
G8+IIIa
Star Color
Orange
(B-V 0.92)
Distance
233.0 ly
Position & Identifiers
RA
16h 31m 08.3s
Dec
-16° 36' 46.0"
Constellation
Oph
HR
6147
HIP
80894
Bayer
Phi
Flamsteed
8 Oph
Double Cat
10086
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
39.2″
Companion Mag
12.9
Position Angle
37°
Star Colors
A: Orange
Discoverer
BU 626
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 39.2″ · PA: 37° · 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
Probable Hyades group.
Survey Image
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