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Omega Cnc

HIP 39263; Omega2 Cnc; 4 Cnc

HIP 39263; Omega2 Cnc; 4 Cnc DoubleStar Cnc Visible Level 2 Small telescope (4") - Requires steady seeing
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Physical Properties

Magnitude 6.31
Spectral Type A1V
Star Color White (B-V 0.01)

Position & Identifiers

RA 08h 01m 43.8s
Dec +25° 05' 23.0"
Constellation Cnc
HR 3132
HIP 39263
Bayer Omega2
Flamsteed 4 Cnc

Visibility

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Multiple Star System

Components 3
Component IDs AC
Separation 44.9″
Companion Mag 11.0
Position Angle 27°
Star Colors A: White B: Orange
Discoverer H 6 75

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 27° A (6.3) B (11.0)

Sep: 44.9″ · PA: 27° · 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.

Survey Image

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