Iota TrA

HIP 80645; Iota TrA DoubleStar TrA Visible Level 2 Small telescope (4") - Requires steady seeing

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Physical Properties

Magnitude 5.27

Spectral Type F4IV

Star Color Yellow-white (B-V 0.36)

Distance 112.5 ly

Position & Identifiers

RA 16h 27m 57.3s

Dec -64° 03' 29.0"

Constellation TrA

HR 6109

HIP 80645

Bayer Iota

Visibility

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Multiple Star System

Separation 16.6″

Companion Mag 9.4

Position Angle 2°

Star Colors A: Yellow-white B: Orange

Discoverer DUN 201

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 16.6″ · PA: 2° · 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

F0, F5, 39.8880d, K 38.7k/s, V0 -5.6k/s, asini 20.4.

Survey Image

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