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HIP 108456

HIP 108456 DoubleStar Cep Visible Level 1 Naked eye / Binoculars - Requires steady seeing
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Physical Properties

Magnitude 6.98
Spectral Type F6IV-V
Star Color Yellow (B-V 0.52)
Distance 296.5 ly

Position & Identifiers

RA 21h 58m 12.7s
Dec +82° 52' 11.0"
Constellation Cep
HR 8423
HIP 108456
Double Cat 15571

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 13.7″
Companion Mag 7.5
Companion Sp K5V
Position Angle 65°
Star Colors A: Yellow B: Red
Discoverer STF2873

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 65° A (7.0) B (7.5)

Sep: 13.7″ · PA: 65° · 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

AB binary.
ADS 15571B, 7.49V G4p, 1.1522143d, K 105.6k/s, V0 -17.0k/s, msin3i 0.639, asini 1.67.
0.032".

Survey Image

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