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84 Cet

HIP 12530; 84 Cet DoubleStar Cet Visible Level 4 Large telescope (10"+) - Requires steady seeing
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Physical Properties

Magnitude 5.71
Variable Type Delta Scuti (Pulsating)
Spectral Type F7IV
Star Color Yellow (B-V 0.52)
Distance 90.6 ly

Position & Identifiers

RA 02h 41m 13.9s
Dec -00° 41' 45.0"
Constellation Cet
HR 790
HIP 12530
Flamsteed 84 Cet
Double Cat 2046

Visibility

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Multiple Star System

Separation 3.9″
Companion Mag 9.7
Position Angle 301°
Star Colors A: Yellow B: Red
Discoverer STF 295

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 301° A (5.7) B (9.7)

Sep: 3.9″ · PA: 301° · 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

ADS 2046. Delta Sct?. Uncertain which component varies.
0.032".

Survey Image

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