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HIP 89023

HIP 89023 DoubleStar Hercules (Her) Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 6.09
Spectral Type B9V+F7III
Distance 815 ly

Position & Identifiers

RA 18h 10m 08.7s
Dec +16° 28' 36.0"
Constellation Hercules (Her)
HR 6803
HIP 89023
Double Cat 11123

Visibility

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Multiple Star System

Separation 1.3″
Companion Mag 7.2
Companion Sp G0III
Position Angle 219°
Star Colors B: Yellow
Discoverer STF2289

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 219° A (6.1) B (7.2)

Sep: 1.3″ · PA: 219° · N up, E left

Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

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Spectral Classification

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Stellar Notes

6.5 A, 7.2 F2, 3040y, a = 1.500".
Also classified G2III + A0V:.

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