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Zeta And

HIP 3693; Zeta And; 34 And DoubleStar And Visible Level 3 Medium telescope (6-8") - Requires steady seeing
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Physical Properties

Magnitude 4.06
Range 3.92 - 4.14
Period 17.770 days
Variable Type Ellipsoidal Variable
Spectral Type K1IIe
Star Color Orange (B-V 1.12)
Distance 88.2 ly

Position & Identifiers

RA 00h 47m 20.3s
Dec +24° 16' 02.0"
Constellation And
HR 215
HIP 3693
Bayer Zeta
Flamsteed 34 And
Variable ID Zet And

Visibility

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Light Curve

Multiple Star System

Components 4
Component IDs AD
Separation 37.4″
Companion Mag 15.3
Position Angle
Star Colors A: Orange
Discoverer BUP 9

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E A (4.1) B (15.3)

Sep: 37.4″ · PA: 9° · 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

Component A of visual system, EB 3.92 - 4.14V, 17.7695d.
AB CPM. Companions probably optical.
Component A of visual system, 17.7692d, K 26.3k/s, V0 -23.7k/s, asini 6.43. Possible X-ray source 3U0032+24.
CaII emission.

Survey Image

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