HIP 100357
HIP 100357
DoubleStar
Dra
Visible
Level 4
Large telescope (10"+) - Requires steady seeing
Physical Properties
Magnitude
5.69
Spectral Type
K5III
Star Color
Red
(B-V 1.56)
Position & Identifiers
RA
20h 21m 11.4s
Dec
+63° 58' 49.0"
Constellation
Dra
HR
7805
HIP
100357
Double Cat
13769
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Visibility
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Multiple Star System
Separation
4.3″
Companion Mag
12.8
Position Angle
81°
Star Colors
A: Red
Discoverer
BU 1134
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 4.3″ · PA: 81° · 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
CPM.
Survey Image
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