Theta Cha

HIP 40888; Theta Cha DoubleStar Cha Visible Level 3 Medium telescope (6-8") - Requires steady seeing

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Physical Properties

Magnitude 4.35

Spectral Type K2IIICN0.5

Star Color Red (B-V 1.16)

Distance 90.6 ly

Position & Identifiers

RA 08h 20m 38.5s

Dec -77° 29' 04.0"

Constellation Cha

HR 3340

HIP 40888

Bayer Theta

Visibility

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Multiple Star System

Separation 20.0″

Companion Mag 12.4

Position Angle 233°

Star Colors A: Red

Discoverer I 799

Eyepiece View

Telescope Eyepiece

80x Dawes: 1.9″ TFOV: 0.6°

Seeing

Scale Realistic = true angular size

Sep: 20.0″ · PA: 233° · 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.

Survey Image

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