RS Cha

HIP 42794 DoubleStar Cha Visible Level 4 Large telescope (10"+) - Requires steady seeing

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Physical Properties

Magnitude 6.05

Variable Type Delta Scuti (Pulsating)

Spectral Type A5V+A7V

Star Color Yellow-white (B-V 0.23)

Position & Identifiers

RA 08h 43m 12.4s

Dec -79° 04' 11.0"

Constellation Cha

HR 3524

HIP 42794

Variable ID RS Cha

Visibility

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Multiple Star System

Separation 9.4″

Companion Mag 17.4

Star Colors A: Yellow-white

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

Variable Star

EA 6.02 - 6.66V, 1.6698684d. Also Delta Sct amp. 0.04V with possibly changing period, 0.074 - 0.097d.

Spectroscopic Binary

1.6699d, K 136.1k/s, V0 +16.1k/s, msin3i 1.82, asini 3.13. Masses 1.25 and 1.05 solar.

Survey Image

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