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HIP 101084

HIP 101084 DoubleStar Cyg Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 5.91
Spectral Type B9Vne
Star Color Blue-white (B-V -0.04)

Position & Identifiers

RA 20h 29m 27.1s
Dec +56° 04' 05.0"
Constellation Cyg
HR 7843
HIP 101084

Visibility

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Multiple Star System

Separation 0.8″
Companion Mag 8.8
Position Angle 129°
Star Colors A: Blue-white B: Yellow
Discoverer KUI 97

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 129° A (5.9) B (8.8)

Sep: 0.8″ · PA: 129° · 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

B component 8.5v, frequently invisible.

Survey Image

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