55 Sgr

HIP 96950; 55 Sgr DoubleStar Sgr Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 5.06

Spectral Type F1III

Star Color Yellow-white (B-V 0.33)

Distance 81.5 ly

Position & Identifiers

RA 19h 42m 31.1s

Dec -16° 07' 26.0"

Constellation Sgr

HR 7489

HIP 96950

Flamsteed 55 Sgr

Visibility

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Multiple Star System

Separation 0.2″

Companion Mag 5.5

Position Angle 341°

Star Colors A: Yellow-white B: Yellow-white

Discoverer BU 1288

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.2″ · PA: 341° · 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

Double Star

Suspected visual double, but may be single.

Survey Image

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