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HIP 40474

HIP 40474 DoubleStar UMa Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 6.45
Spectral Type A7Vm
Star Color Yellow-white (B-V 0.20)

Position & Identifiers

RA 08h 15m 50.5s
Dec +60° 22' 50.0"
Constellation UMa
HR 3221
HIP 40474
Double Cat 6680

Visibility

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Multiple Star System

Components 4
Component IDs AC
Separation 2.6″
Companion Mag 10.1
Position Angle 256°
Star Colors A: Yellow-white B: Orange
Discoverer STF1192

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 256° A (6.5) B (10.1)

Sep: 2.6″ · PA: 256° · N up, E left

At limit · 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

56 Cam, in UMa.

Survey Image

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