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HIP 87042

HIP 87042 DoubleStar Sco Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 6.43
Spectral Type B9V+A1V
Star Color Blue-white (B-V -0.02)
Distance 362.4 ly

Position & Identifiers

RA 17h 47m 07.3s
Dec -38° 06' 42.0"
Constellation Sco
HR 6613
HIP 87042

Visibility

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Multiple Star System

Separation 0.1″
Companion Mag 7.8
Companion Sp A1V
Position Angle 162°
Star Colors A: Blue-white B: White
Discoverer I 1336

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 162° A (6.4) B (7.8)

Sep: 0.1″ · PA: 162° · 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

7.1 B9, 7.3, 34.00y, a = 0.157". Combined mag., color.

Survey Image

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