HIP 99579
HIP 99579
DoubleStar
Cyg
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
6.01
Spectral Type
K2.5III
Star Color
Orange
(B-V 1.14)
Position & Identifiers
RA
20h 12m 31.8s
Dec
+51° 27' 49.0"
Constellation
Cyg
HR
7726
HIP
99579
Double Cat
13535
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Visibility
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Multiple Star System
Components
5
Component IDs
AB
Separation
4.4″
Companion Mag
10.6
Position Angle
82°
Star Colors
A: Orange
Discoverer
AC 17
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.4″ · PA: 82° · 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
AB CPM.
Survey Image
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