HIP 54745
HIP 54745
DoubleStar
UMa
Visible
Level 1
Naked eye / Binoculars - Requires steady seeing
Physical Properties
Magnitude
6.41
Spectral Type
G0V
Star Color
Yellow
(B-V 0.61)
Position & Identifiers
RA
11h 12m 32.2s
Dec
+35° 48' 49.0"
Constellation
UMa
HR
4345
HIP
54745
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Visibility
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Multiple Star System
Components
4
Component IDs
AB
Separation
161.7″
Companion Mag
7.3
Companion Sp
K0
Position Angle
68°
Star Colors
A: Yellow
B: Orange
Discoverer
STTA108
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 161.7″ · PA: 68° · 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.
Survey Image
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