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Gamma Cen

HIP 61932; Gamma Cen DoubleStar Cen Visible Level 5 Expert level - Requires steady seeing
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Physical Properties

Magnitude 2.17
Spectral Type A1IV+
Star Color Blue-white (B-V -0.01)
Distance 130.1 ly

Position & Identifiers

RA 12h 41m 31.0s
Dec -48° 57' 35.0"
Constellation Cen
HR 4819
HIP 61932
Bayer Gamma

Visibility

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Multiple Star System

Components 3
Component IDs AB
Separation 0.6″
Companion Mag 2.9
Companion Sp A2V
Position Angle 19°
Star Colors A: Blue-white B: White
Discoverer HJ 4539

Eyepiece View

80x Dawes: 1.9″ TFOV: 0.6°
Realistic = true angular size
N E 19° A (2.2) B (2.9)

Sep: 0.6″ · PA: 19° · 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

AB 2.9 A0III, 2.9 A0III, 84.50y, a = 0.930". Combined mag., colors.
Probably bluest member of Hyades group.
Hyades group.
0.024".

Survey Image

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