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Theta Hyi

HIP 14131; Theta Hyi DoubleStar Hyi Visible Level 6 Professional/Research - Requires steady seeing
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Physical Properties

Magnitude 5.53
Spectral Type B3V+A0IV
Star Color Blue-white (B-V -0.14)
Distance 31.7 ly

Position & Identifiers

RA 03h 02m 15.4s
Dec -71° 54' 09.0"
Constellation Hyi
HR 939
HIP 14131
Bayer Theta

Visibility

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Multiple Star System

Separation 0.1″
Companion Mag 6.3
Companion Sp A0IV
Position Angle 179°
Star Colors A: Blue-white B: Blue-white
Discoverer FIN 360

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 179° A (5.5) B (6.3)

Sep: 0.1″ · PA: 179° · 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

Interferometric double, 6.3, 6.3v. Combined mag. and color.
Helium-weak star.

Survey Image

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