Phi Aql

HIP 98103; Phi Aql; 61 Aql DoubleStar Aql Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 5.28

Spectral Type A1IV

Star Color Blue-white (B-V -0.01)

Distance 141.8 ly

Position & Identifiers

RA 19h 56m 14.3s

Dec +11° 25' 26.0"

Constellation Aql

HR 7610

HIP 98103

Bayer Phi

Flamsteed 61 Aql

Visibility

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Multiple Star System

Separation 2.9″

Companion Mag 10.0

Position Angle 185°

Star Colors A: Blue-white B: Orange

Discoverer DRS 19

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 2.9″ · PA: 185° · N up, E left

At limit · 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

3.3207d, K 37.2k/s, V0 -28.0k/s, asini 1.70.

Survey Image

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