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U Aql

Observable Variable Star Good (54/100)

Range: 6.1 - 6.9, Period: 7.0d

HIP 95820 VariableStar Aql Visible Level 2 Small telescope (4") - Monitor brightness changes
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Physical Properties

Magnitude 6.61
Spectral Type F7-G1I-II
Star Color Orange (B-V 1.10)
Distance 250.9 ly

Position & Identifiers

RA 19h 29m 21.5s
Dec -07° 02' 38.0"
Constellation Aql
HR 7402
HIP 95820
Variable ID U Aql
Double Cat 12503

Visibility

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Comparison Stars

Nearby stable stars for estimating brightness (AAVSO)

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Multiple Star System

Components 3
Component IDs AB
Separation 1.6″
Companion Mag 12.5
Companion Sp A3-4V
Position Angle 225°
Star Colors A: Orange B: White
Discoverer KUI 91

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 225° A (6.6) B (12.5)

Sep: 1.6″ · PA: 225° · 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

ADS 12503A, CDelta 6.08 - 6.86V, 7.02393d. Period changes.
AB fixed. C, 7v at 2", binary.
Also classified F5I-II-G1.

Survey Image

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