21 Vul

HIP 99738; 21 Vul Star Vulpecula (Vul) Visible Level 2 Small telescope (4")

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Physical Properties

Magnitude 5.18

Variable Type Delta Scuti (Pulsating)

Spectral Type A7IVn

Star Color Yellow-white (B-V 0.18)

Distance 326 ly

Position & Identifiers

RA 20h 14m 14.5s

Dec +28° 41' 41.0"

Constellation Vulpecula (Vul)

HR 7731

HIP 99738

Flamsteed 21 Vul

Variable ID NU Vul

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Spectral Classification

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Stellar Notes

Variable Star

Delta Sct, 16.478d, amp. 0.07V.

Spectral

Shell star.

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