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23 Aql

Observable Double Star Good (54/100)

Sep: 3.3", Companion: mag 8.3

HIP 94885; 23 Aql DoubleStar Aql Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.10
Spectral Type K2II-III
Star Color Red (B-V 1.15)
Distance 1087.2 ly

Position & Identifiers

RA 19h 18m 32.5s
Dec +01° 05' 07.0"
Constellation Aql
HR 7319
HIP 94885
Flamsteed 23 Aql
Double Cat 12289

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 3.3″
Companion Mag 8.3
Position Angle
Star Colors A: Red
Discoverer STF2492

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E A (5.1) B (8.3)

Sep: 3.3″ · PA: 2° · 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

AB binary. C, 13.7v at 12" optical.
0.004".

Survey Image

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