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HIP 54745

HIP 54745 DoubleStar UMa Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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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

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
N E 68° A (6.4) B (7.3)

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

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