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9 Vul

HIP 96275; 9 Vul DoubleStar Vul Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.00
Spectral Type B8IIIn
Star Color Blue-white (B-V -0.09)

Position & Identifiers

RA 19h 34m 34.9s
Dec +19° 46' 24.0"
Constellation Vul
HR 7437
HIP 96275
Flamsteed 9 Vul
Double Cat 12622

Visibility

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Multiple Star System

Components 3
Component IDs AC
Separation 7.9″
Companion Mag 13.4
Position Angle 27°
Star Colors A: Blue-white
Discoverer BU 1130

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 27° A (5.0) B (13.4)

Sep: 7.9″ · PA: 27° · 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

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