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