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HIP 21038

HIP 21038 DoubleStar Per Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 6.21
Spectral Type B9.5Vn
Star Color Blue-white (B-V -0.04)

Position & Identifiers

RA 04h 30m 38.3s
Dec +32° 27' 29.0"
Constellation Per
HR 1419
HIP 21038

Visibility

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Multiple Star System

Separation 0.2″
Position Angle 237°
Star Colors A: Blue-white
Discoverer STT 83

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 237° A (6.2) B (8.2)

Sep: 0.2″ · PA: 237° · 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

Suspected of being double; probably single.

Survey Image

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