Iota Gem

HIP 36046; Iota Gem; 60 Gem DoubleStar Gem Visible Level 6 Professional/Research - Requires steady seeing

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Physical Properties

Magnitude 3.79

Spectral Type G9IIIb

Star Color Orange (B-V 1.03)

Distance 120.3 ly

Position & Identifiers

RA 07h 25m 43.6s

Dec +27° 47' 53.0"

Constellation Gem

HR 2821

HIP 36046

Bayer Iota

Flamsteed 60 Gem

Visibility

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Multiple Star System

Separation 0.1″

Companion Mag 4.7

Position Angle -1°

Star Colors A: Orange

Discoverer OCC 132

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 0.1″ · PA: -1° · N up, E left

Unresolved · 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

Alternative Names

Propus, a name more commonly applied to HR 2216.

Survey Image

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