50 Dra

HIP 92112; 50 Dra DoubleStar Dra Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 5.35

Spectral Type A1Vn

Star Color White (B-V 0.05)

Distance 407.7 ly

Position & Identifiers

RA 18h 46m 22.2s

Dec +75° 26' 02.0"

Constellation Dra

HR 7124

HIP 92112

Flamsteed 50 Dra

Visibility

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Multiple Star System

Separation 0.3″

Companion Mag 9.0

Position Angle 331°

Star Colors A: White B: Yellow

Discoverer YSC 10

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.3″ · PA: 331° · 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

Spectroscopic Binary

4.1175d, K 79.1k/s, V0 -8.8k/s, msin3i 0.953, asini 4.48.

Group/Cluster

Possible Eggen group with HR 63, q.v.

Survey Image

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