2 Sge

HIP 95398; 2 Sge DoubleStar Sge Visible Level 1 Naked eye / Binoculars - Requires steady seeing

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Physical Properties

Magnitude 6.25

Spectral Type A2III-IV

Star Color White (B-V 0.08)

Position & Identifiers

RA 19h 24m 22.1s

Dec +16° 56' 16.0"

Constellation Sge

HR 7369

HIP 95398

Flamsteed 2 Sge

Visibility

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Multiple Star System

Separation 342.3″

Companion Mag 6.9

Position Angle 78°

Star Colors A: White B: Orange

Discoverer STFA 41

Eyepiece View

Telescope Eyepiece

32x Dawes: 1.9″ TFOV: 1.6°

Seeing

Scale Realistic = true angular size

Sep: 342.3″ · PA: 78° · 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.

Stellar Notes

Spectroscopic Binary

7.390d, K 52.8k/s, V0 +11.2k/s, msin3i 1.01, asini 5.37.

Survey Image

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