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52 Cyg

HIP 102453; 52 Cyg DoubleStar Cyg Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 4.22
Spectral Type G9.5III
Star Color Orange (B-V 1.05)
Distance 217.4 ly

Position & Identifiers

RA 20h 45m 39.7s
Dec +30° 43' 11.0"
Constellation Cyg
HR 7942
HIP 102453
Flamsteed 52 Cyg
Double Cat 14259

Visibility

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Multiple Star System

Separation 5.8″
Companion Mag 9.5
Position Angle 74°
Star Colors A: Orange
Discoverer STF2726

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 74° A (4.2) B (9.5)

Sep: 5.8″ · PA: 74° · 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

0.020".

Survey Image

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