Iota Cet
HIP 1562; Iota Cet; 8 Cet
DoubleStar
Cet
Visible
Level 3
Medium telescope (6-8") - Requires steady seeing
Physical Properties
Magnitude
3.56
Spectral Type
K1 II + (K)
Star Color
Red
(B-V 1.22)
Temperature
8519 K
Radius
203.0 R☉
Distance
274.5 ly
Position & Identifiers
RA
00h 19m 25.7s
Dec
-08° 49' 26.0"
Constellation
Cet
HR
74
HIP
1562
Bayer
Iota
Flamsteed
8 Cet
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Visibility
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Multiple Star System
Components
3
Component IDs
AC
Separation
68.4″
Companion Mag
12.9
Position Angle
18°
Star Colors
A: Red
Discoverer
HJ 1953
Eyepiece View
80x
Dawes: 1.9″
TFOV: 0.6°
Realistic = true angular size
Sep: 68.4″ · PA: 18° · N up, E left
Resolved · Rayleigh: 2.3″ · Dawes: 1.9″ · Eff: 3.1″
Size Comparison
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
3.46 - 3.56V.
Component B, 12.87v at 63", optical.
Deneb Kaitos Shemali; Deneb Kaitos Al Shamaliyy.
Survey Image
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