27 Dra

HIP 85805; 27 Dra DoubleStar Dra Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 5.05

Spectral Type K0III

Star Color Orange (B-V 1.08)

Distance 163.1 ly

Position & Identifiers

RA 17h 31m 57.9s

Dec +68° 08' 06.0"

Constellation Dra

HR 6566

HIP 85805

Flamsteed 27 Dra

Visibility

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Multiple Star System

Separation 154.9″

Companion Mag 11.4

Position Angle 342°

Star Colors A: Orange

Discoverer BU 1458

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 154.9″ · PA: 342° · 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.

Survey Image

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