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HIP 89772

HIP 89772 DoubleStar Oph Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.39
Spectral Type K2III-IV
Star Color Orange (B-V 1.07)

Position & Identifiers

RA 18h 19m 09.5s
Dec +07° 15' 35.0"
Constellation Oph
HR 6857
HIP 89772
Double Cat 11254

Visibility

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Multiple Star System

Separation 43.3″
Companion Mag 12.5
Position Angle 73°
Star Colors A: Orange
Discoverer HJ 5494

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 73° A (5.4) B (12.5)

Sep: 43.3″ · PA: 73° · 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

Optical.

Survey Image

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