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HIP 107893

HIP 107893 DoubleStar Cepheus (Cep) Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 6.37
Spectral Type A1m
Distance 326 ly

Position & Identifiers

RA 21h 51m 37.3s
Dec +65° 45' 10.0"
Constellation Cepheus (Cep)
HR 8361
HIP 107893
Double Cat 15407

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 1.3″
Companion Mag 7.3
Position Angle 151°
Discoverer STF2843

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 151° A (6.4) B (7.3)

Sep: 1.3″ · PA: 151° · N up, E left

Unresolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 2.3″

Size Comparison

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Stellar Lifecycle

Spectral Classification

Blackbody Spectrum

Stellar Absorption Spectrum

Simulated absorption spectrum based on spectral type. Hover over lines to identify elements.

Stellar Fusion

Stellar Notes

Component B Am(A2/A6/F2).
Also classified Am(A1/A9V/F0).

Light Travel Time Machine

Relativistic Travel

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