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HIP 39943

HIP 39943 DoubleStar Pup Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.68
Spectral Type B2.5V
Star Color Blue (B-V -0.17)

Position & Identifiers

RA 08h 09m 28.5s
Dec -16° 14' 56.0"
Constellation Pup
HR 3194
HIP 39943
Double Cat 6632

Visibility

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Multiple Star System

Separation 4.5″
Companion Mag 12.2
Position Angle 178°
Star Colors A: Blue
Discoverer HO 352

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 178° A (5.7) B (12.2)

Sep: 4.5″ · PA: 178° · 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

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Notes

Companion A5III, optical.

Survey Image

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