Sigma Cet
Observable Double Star
Fair (39/100)
Sep: 345.6", Companion: mag 8.8
HIP 11783; Sigma Cet; 76 Cet
DoubleStar
Cet
Visible
Level 2
Small telescope (4") - Requires steady seeing
Physical Properties
Magnitude
4.75
Spectral Type
F4IV
Star Color
Yellow
(B-V 0.45)
Distance
93.2 ly
Position & Identifiers
RA
02h 32m 05.2s
Dec
-15° 14' 41.0"
Constellation
Cet
HR
740
HIP
11783
Bayer
Sigma
Flamsteed
76 Cet
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Visibility
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Multiple Star System
Separation
345.6″
Companion Mag
8.8
Position Angle
252°
Star Colors
A: Yellow
B: Orange
Discoverer
GWP 335
Eyepiece View
32x
Dawes: 1.9″
TFOV: 1.6°
Realistic = true angular size
Sep: 345.6″ · PA: 252° · 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
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Survey Image
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