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23 Cyg

HIP 97870; 23 Cyg Star Cyg Visible Level 2 Small telescope (4")
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Physical Properties

Magnitude 5.14
Spectral Type B5V
Star Color Blue-white (B-V -0.13)

Position & Identifiers

RA 19h 53m 17.4s
Dec +57° 31' 25.0"
Constellation Cyg
HR 7608
HIP 97870
Flamsteed 23 Cyg

Visibility

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Multiple Star System

Separation 0.0″
Companion Mag 7.0
Position Angle 329°
Star Colors A: Blue-white
Discoverer YSC 137

Eyepiece View

15x Dawes: 1.9″ TFOV: 3.3°
Realistic = true angular size
N E 329° A (5.1) B (7.0)

Sep: 0.0″ · PA: 329° · 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

Member of the local association (Pleiades group).

Survey Image

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