Zeta TrA

HIP 80686; Zeta TrA DoubleStar TrA Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 4.91

Spectral Type F9V

Star Color Yellow (B-V 0.55)

Distance 34.7 ly

Position & Identifiers

RA 16h 28m 28.1s

Dec -70° 05' 04.0"

Constellation TrA

HR 6098

HIP 80686

Bayer Zeta

Visibility

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Multiple Star System

Separation 6.3″

Companion Mag 17.7

Position Angle 287°

Star Colors A: Yellow

Discoverer AMM 7

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 6.3″ · PA: 287° · 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

Spectroscopic Binary

F6, G1, 12.9762d, K 7.4k/s, V0 +7.6k/s, asini 1.32.

Group/Cluster

Sirius group?

Survey Image

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