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HR 6660

HR 6660 DoubleStar Sco Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 6.38
Spectral Type B9V
Star Color White (B-V 0.00)

Position & Identifiers

RA 17h 53m 45.5s
Dec -34° 47' 09.0"
Constellation Sco
HR 6660

Visibility

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Multiple Star System

Separation 34.7″
Companion Mag 7.0
Position Angle 209°
Star Colors A: White B: White
Discoverer WFC 201

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 209° A (6.4) B (7.0)

Sep: 34.7″ · PA: 209° · N up, E left

Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″

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

NGC 6475 #141.

Survey Image

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