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Theta Aql

HIP 99473; Theta Aql; 65 Aql Star Aql Visible Level 1 Naked eye / Binoculars
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Physical Properties

Magnitude 3.23
Spectral Type B9IV
Star Color Blue-white (B-V -0.07)
Distance 286 ly

Position & Identifiers

RA 20h 11m 18.3s
Dec -00° 49' 17.0"
Constellation Aql
HR 7710
HIP 99473
Bayer Theta
Flamsteed 65 Aql

Visibility

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Multiple Star System B: optical

Separation 115.8″
Companion Mag 13.0
Position Angle 259°
Star Colors A: Blue-white B: Yellow-white
Discoverer BU 1540

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Stellar Lifecycle

Spectral Classification

Hertzsprung-Russell Diagram

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Blackbody Spectrum

Stellar Absorption Spectrum

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Stellar Notes

17.1243d, K 51.0k/s, V0 -27.9k/s, msin3i 0.742, asini 9.52.
In reflection nebula.

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