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19 Oph

HIP 82162; 19 Oph DoubleStar Oph Visible Level 2 Small telescope (4") - Requires steady seeing
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Physical Properties

Magnitude 6.10
Spectral Type A3V
Star Color White (B-V 0.14)

Position & Identifiers

RA 16h 47m 09.8s
Dec +02° 03' 52.0"
Constellation Oph
HR 6232
HIP 82162
Flamsteed 19 Oph
Double Cat 10207

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 24.0″
Companion Mag 9.7
Position Angle 88°
Star Colors A: White B: Yellow
Discoverer STF2096

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 88° A (6.1) B (9.7)

Sep: 24.0″ · PA: 88° · 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

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