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HIP 81966

HIP 81966 DoubleStar Ara Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.96
Spectral Type G8III
Star Color Red (B-V 1.26)

Position & Identifiers

RA 16h 44m 39.8s
Dec -53° 09' 09.0"
Constellation Ara
HR 6207
HIP 81966

Visibility

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Multiple Star System

Separation 28.1″
Companion Mag 12.0
Position Angle 38°
Star Colors A: Red
Discoverer HDO 258

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 38° A (6.0) B (12.0)

Sep: 28.1″ · PA: 38° · 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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