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HIP 107374

HIP 107374 DoubleStar Cep Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 5.95
Spectral Type O9Ib-II
Star Color Yellow-white (B-V 0.31)

Position & Identifiers

RA 21h 44m 53.3s
Dec +62° 27' 38.0"
Constellation Cep
HR 8327
HIP 107374

Visibility

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Multiple Star System

Separation 17.8″
Companion Mag 11.4
Position Angle 34°
Star Colors A: Yellow-white
Discoverer MLR 16

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 34° A (6.0) B (11.4)

Sep: 17.8″ · PA: 34° · 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

Cep OB2.
Also classified O9II and O9I. Continuous emission at Balmer limit.

Survey Image

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